https://leetcode-solutions-5zk.pages.dev/tags/matrix/Recent content in Matrix on LeetCode 题解笔记Hugozh-cn2026 ZenzZweiMon, 11 May 2026 12:12:02 +0800https://leetcode-solutions-5zk.pages.dev/posts/1263-minimum-moves-to-move-a-box-to-their-target-location/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1263-minimum-moves-to-move-a-box-to-their-target-location/Hard | Array, Breadth-First Search, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1728-cat-and-mouse-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1728-cat-and-mouse-ii/Hard | Array, Math, Dynamic Programming, Graph Theory, Topological Sort, Memoization, Matrix, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3197-find-the-minimum-area-to-cover-all-ones-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3197-find-the-minimum-area-to-cover-all-ones-ii/Hard | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3418-maximum-amount-of-money-robot-can-earn/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3418-maximum-amount-of-money-robot-can-earn/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3548-equal-sum-grid-partition-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3548-equal-sum-grid-partition-ii/Hard | Array, Hash Table, Matrix, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1631-path-with-minimum-effort/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1631-path-with-minimum-effort/Medium | Array, Binary Search, Depth-First Search, Breadth-First Search, Union-Find, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1727-largest-submatrix-with-rearrangements/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1727-largest-submatrix-with-rearrangements/Medium | Array, Greedy, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1765-map-of-highest-peak/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1765-map-of-highest-peak/Medium | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1861-rotating-the-box/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1861-rotating-the-box/Medium | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1926-nearest-exit-from-entrance-in-maze/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1926-nearest-exit-from-entrance-in-maze/Medium | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1992-find-all-groups-of-farmland/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1992-find-all-groups-of-farmland/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2018-check-if-word-can-be-placed-in-crossword/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2018-check-if-word-can-be-placed-in-crossword/Medium | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2088-count-fertile-pyramids-in-a-land/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2088-count-fertile-pyramids-in-a-land/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2125-number-of-laser-beams-in-a-bank/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2125-number-of-laser-beams-in-a-bank/Medium | Array, Math, String, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2132-stamping-the-grid/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2132-stamping-the-grid/Hard | Array, Greedy, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2146-k-highest-ranked-items-within-a-price-range/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2146-k-highest-ranked-items-within-a-price-range/Medium | Array, Breadth-First Search, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2257-count-unguarded-cells-in-the-grid/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2257-count-unguarded-cells-in-the-grid/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2258-escape-the-spreading-fire/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2258-escape-the-spreading-fire/Hard | Array, Binary Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2319-check-if-matrix-is-x-matrix/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2319-check-if-matrix-is-x-matrix/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2392-build-a-matrix-with-conditions/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2392-build-a-matrix-with-conditions/Hard | Array, Graph Theory, Topological Sort, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2397-maximum-rows-covered-by-columns/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2397-maximum-rows-covered-by-columns/Medium | Array, Backtracking, Bit Manipulation, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0036-valid-sudoku/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0036-valid-sudoku/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0037-sudoku-solver/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0037-sudoku-solver/Hard | Array, Hash Table, Backtracking, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1034-coloring-a-border/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1034-coloring-a-border/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1139-largest-1-bordered-square/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1139-largest-1-bordered-square/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1162-as-far-from-land-as-possible/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1162-as-far-from-land-as-possible/Medium | Array, Dynamic Programming, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1267-count-servers-that-communicate/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1267-count-servers-that-communicate/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1277-count-square-submatrices-with-all-ones/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1277-count-square-submatrices-with-all-ones/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1301-number-of-paths-with-max-score/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1301-number-of-paths-with-max-score/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1337-the-k-weakest-rows-in-a-matrix/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1337-the-k-weakest-rows-in-a-matrix/Easy | Array, Binary Search, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1349-maximum-students-taking-exam/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1349-maximum-students-taking-exam/Hard | Array, Dynamic Programming, Bit Manipulation, Matrix, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/1380-lucky-numbers-in-a-matrix/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1380-lucky-numbers-in-a-matrix/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1439-find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1439-find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows/Hard | Array, Binary Search, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1444-number-of-ways-of-cutting-a-pizza/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1444-number-of-ways-of-cutting-a-pizza/Hard | Array, Dynamic Programming, Memoization, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1504-count-submatrices-with-all-ones/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1504-count-submatrices-with-all-ones/Medium | Array, Dynamic Programming, Stack, Matrix, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1536-minimum-swaps-to-arrange-a-binary-grid/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1536-minimum-swaps-to-arrange-a-binary-grid/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1559-detect-cycles-in-2d-grid/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1559-detect-cycles-in-2d-grid/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1568-minimum-number-of-days-to-disconnect-island/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1568-minimum-number-of-days-to-disconnect-island/Hard | Array, Depth-First Search, Breadth-First Search, Matrix, Strongly Connected Componenthttps://leetcode-solutions-5zk.pages.dev/posts/1582-special-positions-in-a-binary-matrix/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1582-special-positions-in-a-binary-matrix/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1595-minimum-cost-to-connect-two-groups-of-points/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1595-minimum-cost-to-connect-two-groups-of-points/Hard | Array, Dynamic Programming, Bit Manipulation, Matrix, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/1914-cyclically-rotating-a-grid/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1914-cyclically-rotating-a-grid/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0221-maximal-square/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0221-maximal-square/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0289-game-of-life/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0289-game-of-life/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0363-max-sum-of-rectangle-no-larger-than-k/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0363-max-sum-of-rectangle-no-larger-than-k/Hard | Array, Binary Search, Matrix, Prefix Sum, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/0407-trapping-rain-water-ii/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0407-trapping-rain-water-ii/Hard | Array, Breadth-First Search, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0419-battleships-in-a-board/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0419-battleships-in-a-board/Medium | Array, Depth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0427-construct-quad-tree/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0427-construct-quad-tree/Medium | Array, Divide and Conquer, Tree, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0463-island-perimeter/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0463-island-perimeter/Easy | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0542-01-matrix/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0542-01-matrix/Medium | Array, Dynamic Programming, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0695-max-area-of-island/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0695-max-area-of-island/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0749-contain-virus/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0749-contain-virus/Hard | Array, Depth-First Search, Breadth-First Search, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0794-valid-tic-tac-toe-state/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0794-valid-tic-tac-toe-state/Medium | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0827-making-a-large-island/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0827-making-a-large-island/Hard | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0832-flipping-an-image/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0832-flipping-an-image/Easy | Array, Two Pointers, Bit Manipulation, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0835-image-overlap/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0835-image-overlap/Medium | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0864-shortest-path-to-get-all-keys/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0864-shortest-path-to-get-all-keys/Hard | Array, Bit Manipulation, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0934-shortest-bridge/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0934-shortest-bridge/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0959-regions-cut-by-slashes/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0959-regions-cut-by-slashes/Medium | Array, Hash Table, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0980-unique-paths-iii/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0980-unique-paths-iii/Hard | Array, Backtracking, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0994-rotting-oranges/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0994-rotting-oranges/Medium | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0999-available-captures-for-rook/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0999-available-captures-for-rook/Easy | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3212-count-submatrices-with-equal-frequency-of-x-and-y/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3212-count-submatrices-with-equal-frequency-of-x-and-y/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3225-maximum-score-from-grid-operations/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3225-maximum-score-from-grid-operations/Hard | Array, Dynamic Programming, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3239-minimum-number-of-flips-to-make-binary-grid-palindromic-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3239-minimum-number-of-flips-to-make-binary-grid-palindromic-i/Medium | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3240-minimum-number-of-flips-to-make-binary-grid-palindromic-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3240-minimum-number-of-flips-to-make-binary-grid-palindromic-ii/Medium | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3242-design-neighbor-sum-service/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3242-design-neighbor-sum-service/Easy | Array, Hash Table, Design, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3256-maximum-value-sum-by-placing-three-rooks-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3256-maximum-value-sum-by-placing-three-rooks-i/Hard | Array, Dynamic Programming, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3257-maximum-value-sum-by-placing-three-rooks-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3257-maximum-value-sum-by-placing-three-rooks-ii/Hard | Array, Dynamic Programming, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3276-select-cells-in-grid-with-maximum-score/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3276-select-cells-in-grid-with-maximum-score/Hard | Array, Dynamic Programming, Bit Manipulation, Matrix, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/3286-find-a-safe-walk-through-a-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3286-find-a-safe-walk-through-a-grid/Medium | Array, Breadth-First Search, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3311-construct-2d-grid-matching-graph-layout/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3311-construct-2d-grid-matching-graph-layout/Hard | Array, Hash Table, Graph Theory, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3332-maximum-points-tourist-can-earn/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3332-maximum-points-tourist-can-earn/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3341-find-minimum-time-to-reach-last-room-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3341-find-minimum-time-to-reach-last-room-i/Medium | Array, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3342-find-minimum-time-to-reach-last-room-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3342-find-minimum-time-to-reach-last-room-ii/Medium | Array, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3363-find-the-maximum-number-of-fruits-collected/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3363-find-the-maximum-number-of-fruits-collected/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3393-count-paths-with-the-given-xor-value/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3393-count-paths-with-the-given-xor-value/Medium | Array, Dynamic Programming, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3402-minimum-operations-to-make-columns-strictly-increasing/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3402-minimum-operations-to-make-columns-strictly-increasing/Easy | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3417-zigzag-grid-traversal-with-skip/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3417-zigzag-grid-traversal-with-skip/Easy | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3446-sort-matrix-by-diagonals/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3446-sort-matrix-by-diagonals/Medium | Array, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3459-length-of-longest-v-shaped-diagonal-segment/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3459-length-of-longest-v-shaped-diagonal-segment/Hard | Array, Dynamic Programming, Memoization, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3462-maximum-sum-with-at-most-k-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3462-maximum-sum-with-at-most-k-elements/Medium | Array, Greedy, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3484-design-spreadsheet/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3484-design-spreadsheet/Medium | Array, Hash Table, String, Design, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3529-count-cells-in-overlapping-horizontal-and-vertical-substrings/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3529-count-cells-in-overlapping-horizontal-and-vertical-substrings/Medium | Array, String, Rolling Hash, String Matching, Matrix, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/3537-fill-a-special-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3537-fill-a-special-grid/Medium | Array, Divide and Conquer, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3546-equal-sum-grid-partition-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3546-equal-sum-grid-partition-i/Medium | Array, Matrix, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3552-grid-teleportation-traversal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3552-grid-teleportation-traversal/Medium | Array, Hash Table, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3567-minimum-absolute-difference-in-sliding-submatrix/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3567-minimum-absolute-difference-in-sliding-submatrix/Medium | Array, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3568-minimum-moves-to-clean-the-classroom/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3568-minimum-moves-to-clean-the-classroom/Medium | Array, Hash Table, Bit Manipulation, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3603-minimum-cost-path-with-alternating-directions-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3603-minimum-cost-path-with-alternating-directions-ii/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3619-count-islands-with-total-value-divisible-by-k/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3619-count-islands-with-total-value-divisible-by-k/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3643-flip-square-submatrix-vertically/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3643-flip-square-submatrix-vertically/Easy | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3651-minimum-cost-path-with-teleportations/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3651-minimum-cost-path-with-teleportations/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3665-twisted-mirror-path-count/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3665-twisted-mirror-path-count/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3725-count-ways-to-choose-coprime-integers-from-rows/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3725-count-ways-to-choose-coprime-integers-from-rows/Hard | Array, Math, Dynamic Programming, Matrix, Combinatorics, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3742-maximum-path-score-in-a-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3742-maximum-path-score-in-a-grid/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3797-count-routes-to-climb-a-rectangular-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3797-count-routes-to-climb-a-rectangular-grid/Hard | Array, Dynamic Programming, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3858-minimum-bitwise-or-from-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3858-minimum-bitwise-or-from-grid/Medium | Array, Greedy, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3882-minimum-xor-path-in-a-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3882-minimum-xor-path-in-a-grid/Medium | Array, Dynamic Programming, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2965-find-missing-and-repeated-values/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2965-find-missing-and-repeated-values/Easy | Array, Hash Table, Math, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3030-find-the-grid-of-region-average/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3030-find-the-grid-of-region-average/Medium | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3033-modify-the-matrix/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3033-modify-the-matrix/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3044-most-frequent-prime/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3044-most-frequent-prime/Medium | Array, Hash Table, Math, Matrix, Counting, Enumeration, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3070-count-submatrices-with-top-left-element-and-sum-less-than-k/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3070-count-submatrices-with-top-left-element-and-sum-less-than-k/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3071-minimum-operations-to-write-the-letter-y-on-a-grid/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3071-minimum-operations-to-write-the-letter-y-on-a-grid/Medium | Array, Hash Table, Matrix, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3122-minimum-number-of-operations-to-satisfy-conditions/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3122-minimum-number-of-operations-to-satisfy-conditions/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3127-make-a-square-with-the-same-color/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3127-make-a-square-with-the-same-color/Easy | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3142-check-if-grid-satisfies-conditions/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3142-check-if-grid-satisfies-conditions/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3148-maximum-difference-score-in-a-grid/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3148-maximum-difference-score-in-a-grid/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3195-find-the-minimum-area-to-cover-all-ones-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3195-find-the-minimum-area-to-cover-all-ones-i/Medium | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2643-row-with-maximum-ones/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2643-row-with-maximum-ones/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2658-maximum-number-of-fish-in-a-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2658-maximum-number-of-fish-in-a-grid/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2661-first-completely-painted-row-or-column/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2661-first-completely-painted-row-or-column/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2679-sum-in-a-matrix/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2679-sum-in-a-matrix/Medium | Array, Sorting, Heap (Priority Queue), Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2684-maximum-number-of-moves-in-a-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2684-maximum-number-of-moves-in-a-grid/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2711-difference-of-number-of-distinct-values-on-diagonals/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2711-difference-of-number-of-distinct-values-on-diagonals/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2713-maximum-strictly-increasing-cells-in-a-matrix/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2713-maximum-strictly-increasing-cells-in-a-matrix/Hard | Array, Hash Table, Binary Search, Dynamic Programming, Memoization, Sorting, Matrix, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/2732-find-a-good-subset-of-the-matrix/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2732-find-a-good-subset-of-the-matrix/Hard | Array, Hash Table, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2812-find-the-safest-path-in-a-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2812-find-the-safest-path-in-a-grid/Medium | Array, Binary Search, Breadth-First Search, Union-Find, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2850-minimum-moves-to-spread-stones-over-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2850-minimum-moves-to-spread-stones-over-grid/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Matrix, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/2906-construct-product-matrix/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2906-construct-product-matrix/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2923-find-champion-i/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2923-find-champion-i/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2931-maximum-spending-after-buying-items/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2931-maximum-spending-after-buying-items/Hard | Array, Greedy, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2946-matrix-similarity-after-cyclic-shifts/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2946-matrix-similarity-after-cyclic-shifts/Easy | Array, Math, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2017-grid-game/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2017-grid-game/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2022-convert-1d-array-into-2d-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2022-convert-1d-array-into-2d-array/Easy | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2033-minimum-operations-to-make-a-uni-value-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2033-minimum-operations-to-make-a-uni-value-grid/Medium | Array, Math, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2133-check-if-every-row-and-column-contains-all-numbers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2133-check-if-every-row-and-column-contains-all-numbers/Easy | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2245-maximum-trailing-zeros-in-a-cornered-path/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2245-maximum-trailing-zeros-in-a-cornered-path/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2267-check-if-there-is-a-valid-parentheses-string-path/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2267-check-if-there-is-a-valid-parentheses-string-path/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2290-minimum-obstacle-removal-to-reach-corner/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2290-minimum-obstacle-removal-to-reach-corner/Hard | Array, Breadth-First Search, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/2304-minimum-path-cost-in-a-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2304-minimum-path-cost-in-a-grid/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2326-spiral-matrix-iv/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2326-spiral-matrix-iv/Medium | Array, Linked List, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2328-number-of-increasing-paths-in-a-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2328-number-of-increasing-paths-in-a-grid/Hard | Array, Dynamic Programming, Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort, Memoization, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2352-equal-row-and-column-pairs/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2352-equal-row-and-column-pairs/Medium | Array, Hash Table, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2373-largest-local-values-in-a-matrix/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2373-largest-local-values-in-a-matrix/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2428-maximum-sum-of-an-hourglass/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2428-maximum-sum-of-an-hourglass/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2435-paths-in-matrix-whose-sum-is-divisible-by-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2435-paths-in-matrix-whose-sum-is-divisible-by-k/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2482-difference-between-ones-and-zeros-in-row-and-column/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2482-difference-between-ones-and-zeros-in-row-and-column/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2500-delete-greatest-value-in-each-row/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2500-delete-greatest-value-in-each-row/Easy | Array, Sorting, Heap (Priority Queue), Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2503-maximum-number-of-points-from-grid-queries/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2503-maximum-number-of-points-from-grid-queries/Hard | Array, Two Pointers, Breadth-First Search, Union-Find, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2536-increment-submatrices-by-one/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2536-increment-submatrices-by-one/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2545-sort-the-students-by-their-kth-score/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2545-sort-the-students-by-their-kth-score/Medium | Array, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2556-disconnect-path-in-a-binary-matrix-by-at-most-one-flip/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2556-disconnect-path-in-a-binary-matrix-by-at-most-one-flip/Medium | Array, Dynamic Programming, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2573-find-the-string-with-lcp/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2573-find-the-string-with-lcp/Hard | Array, String, Dynamic Programming, Greedy, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2577-minimum-time-to-visit-a-cell-in-a-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2577-minimum-time-to-visit-a-cell-in-a-grid/Hard | Array, Breadth-First Search, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/2596-check-knight-tour-configuration/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2596-check-knight-tour-configuration/Medium | Array, Depth-First Search, Breadth-First Search, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2614-prime-in-diagonal/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2614-prime-in-diagonal/Easy | Array, Math, Matrix, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2617-minimum-number-of-visited-cells-in-a-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2617-minimum-number-of-visited-cells-in-a-grid/Hard | Array, Dynamic Programming, Stack, Breadth-First Search, Union-Find, Heap (Priority Queue), Matrix, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/2639-find-the-width-of-columns-of-a-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2639-find-the-width-of-columns-of-a-grid/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1284-minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1284-minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix/Hard | Array, Hash Table, Bit Manipulation, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1289-minimum-falling-path-sum-ii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1289-minimum-falling-path-sum-ii/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1292-maximum-side-length-of-a-square-with-sum-less-than-or-equal-to-threshold/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1292-maximum-side-length-of-a-square-with-sum-less-than-or-equal-to-threshold/Medium | Array, Binary Search, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1293-shortest-path-in-a-grid-with-obstacles-elimination/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1293-shortest-path-in-a-grid-with-obstacles-elimination/Hard | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1314-matrix-block-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1314-matrix-block-sum/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1329-sort-the-matrix-diagonally/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1329-sort-the-matrix-diagonally/Medium | Array, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1351-count-negative-numbers-in-a-sorted-matrix/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1351-count-negative-numbers-in-a-sorted-matrix/Easy | Array, Binary Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1368-minimum-cost-to-make-at-least-one-valid-path-in-a-grid/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1368-minimum-cost-to-make-at-least-one-valid-path-in-a-grid/Hard | Array, Breadth-First Search, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/1391-check-if-there-is-a-valid-path-in-a-grid/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1391-check-if-there-is-a-valid-path-in-a-grid/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1463-cherry-pickup-ii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1463-cherry-pickup-ii/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1476-subrectangle-queries/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1476-subrectangle-queries/Medium | Array, Design, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1572-matrix-diagonal-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1572-matrix-diagonal-sum/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1591-strange-printer-ii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1591-strange-printer-ii/Hard | Array, Graph Theory, Topological Sort, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1594-maximum-non-negative-product-in-a-matrix/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1594-maximum-non-negative-product-in-a-matrix/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1605-find-valid-matrix-given-row-and-column-sums/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1605-find-valid-matrix-given-row-and-column-sums/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1632-rank-transform-of-a-matrix/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1632-rank-transform-of-a-matrix/Hard | Array, Union-Find, Graph Theory, Topological Sort, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1672-richest-customer-wealth/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1672-richest-customer-wealth/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1706-where-will-the-ball-fall/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1706-where-will-the-ball-fall/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1738-find-kth-largest-xor-coordinate-value/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1738-find-kth-largest-xor-coordinate-value/Medium | Array, Divide and Conquer, Bit Manipulation, Sorting, Heap (Priority Queue), Matrix, Prefix Sum, Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/1878-get-biggest-three-rhombus-sums-in-a-grid/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1878-get-biggest-three-rhombus-sums-in-a-grid/Medium | Array, Math, Sorting, Heap (Priority Queue), Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1886-determine-whether-matrix-can-be-obtained-by-rotation/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1886-determine-whether-matrix-can-be-obtained-by-rotation/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1895-largest-magic-square/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1895-largest-magic-square/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1901-find-a-peak-element-ii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1901-find-a-peak-element-ii/Medium | Array, Binary Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1905-count-sub-islands/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1905-count-sub-islands/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1937-maximum-number-of-points-with-cost/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1937-maximum-number-of-points-with-cost/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1958-check-if-move-is-legal/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1958-check-if-move-is-legal/Medium | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1970-last-day-where-you-can-still-cross/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1970-last-day-where-you-can-still-cross/Hard | Array, Binary Search, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1975-maximum-matrix-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1975-maximum-matrix-sum/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1981-minimize-the-difference-between-target-and-chosen-elements/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1981-minimize-the-difference-between-target-and-chosen-elements/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1020-number-of-enclaves/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1020-number-of-enclaves/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1030-matrix-cells-in-distance-order/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1030-matrix-cells-in-distance-order/Easy | Array, Math, Geometry, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1072-flip-columns-for-maximum-number-of-equal-rows/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1072-flip-columns-for-maximum-number-of-equal-rows/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1074-number-of-submatrices-that-sum-to-target/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1074-number-of-submatrices-that-sum-to-target/Hard | Array, Hash Table, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1091-shortest-path-in-binary-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1091-shortest-path-in-binary-matrix/Medium | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1210-minimum-moves-to-reach-target-with-rotations/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1210-minimum-moves-to-reach-target-with-rotations/Hard | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1219-path-with-maximum-gold/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1219-path-with-maximum-gold/Medium | Array, Backtracking, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1222-queens-that-can-attack-the-king/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1222-queens-that-can-attack-the-king/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1253-reconstruct-a-2-row-binary-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1253-reconstruct-a-2-row-binary-matrix/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1254-number-of-closed-islands/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1254-number-of-closed-islands/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1260-shift-2d-grid/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1260-shift-2d-grid/Easy | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1275-find-winner-on-a-tic-tac-toe-game/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1275-find-winner-on-a-tic-tac-toe-game/Easy | Array, Hash Table, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0733-flood-fill/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0733-flood-fill/Easy | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0741-cherry-pickup/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0741-cherry-pickup/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0766-toeplitz-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0766-toeplitz-matrix/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0773-sliding-puzzle/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0773-sliding-puzzle/Hard | Array, Dynamic Programming, Backtracking, Breadth-First Search, Memoization, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0778-swim-in-rising-water/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0778-swim-in-rising-water/Hard | Array, Binary Search, Depth-First Search, Breadth-First Search, Union-Find, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0782-transform-to-chessboard/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0782-transform-to-chessboard/Hard | Array, Math, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0803-bricks-falling-when-hit/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0803-bricks-falling-when-hit/Hard | Array, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0807-max-increase-to-keep-city-skyline/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0807-max-increase-to-keep-city-skyline/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0840-magic-squares-in-grid/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0840-magic-squares-in-grid/Medium | Array, Hash Table, Math, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0861-score-after-flipping-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0861-score-after-flipping-matrix/Medium | Array, Greedy, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0867-transpose-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0867-transpose-matrix/Easy | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0883-projection-area-of-3d-shapes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0883-projection-area-of-3d-shapes/Easy | Array, Math, Geometry, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0885-spiral-matrix-iii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0885-spiral-matrix-iii/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0892-surface-area-of-3d-shapes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0892-surface-area-of-3d-shapes/Easy | Array, Math, Geometry, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0909-snakes-and-ladders/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0909-snakes-and-ladders/Medium | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0931-minimum-falling-path-sum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0931-minimum-falling-path-sum/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0498-diagonal-traverse/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0498-diagonal-traverse/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0529-minesweeper/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0529-minesweeper/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0566-reshape-the-matrix/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0566-reshape-the-matrix/Easy | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0661-image-smoother/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0661-image-smoother/Easy | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0675-cut-off-trees-for-golf-event/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0675-cut-off-trees-for-golf-event/Hard | Array, Breadth-First Search, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0329-longest-increasing-path-in-a-matrix/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0329-longest-increasing-path-in-a-matrix/Hard | Array, Dynamic Programming, Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort, Memoization, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0378-kth-smallest-element-in-a-sorted-matrix/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0378-kth-smallest-element-in-a-sorted-matrix/Medium | Array, Binary Search, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0417-pacific-atlantic-water-flow/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0417-pacific-atlantic-water-flow/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0130-surrounded-regions/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0130-surrounded-regions/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0174-dungeon-game/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0174-dungeon-game/Hard | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0200-number-of-islands/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0200-number-of-islands/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0212-word-search-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0212-word-search-ii/Hard | Array, String, Backtracking, Trie, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0240-search-a-2d-matrix-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0240-search-a-2d-matrix-ii/Medium | Array, Binary Search, Divide and Conquer, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0304-range-sum-query-2d-immutable/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0304-range-sum-query-2d-immutable/Medium | Array, Design, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0048-rotate-image/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0048-rotate-image/Medium | Array, Math, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0054-spiral-matrix/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0054-spiral-matrix/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0059-spiral-matrix-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0059-spiral-matrix-ii/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0063-unique-paths-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0063-unique-paths-ii/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0064-minimum-path-sum/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0064-minimum-path-sum/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0073-set-matrix-zeroes/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0073-set-matrix-zeroes/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0074-search-a-2d-matrix/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0074-search-a-2d-matrix/Medium | Array, Binary Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0079-word-search/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0079-word-search/Medium | Array, String, Backtracking, Depth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0085-maximal-rectangle/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0085-maximal-rectangle/Hard | Array, Dynamic Programming, Stack, Matrix, Monotonic Stack