https://leetcode-solutions-5zk.pages.dev/tags/topological-sort/Recent content in Topological Sort on LeetCode 题解笔记Hugozh-cn2026 ZenzZweiMon, 11 May 2026 12:12:02 +0800https://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/1976-number-of-ways-to-arrive-at-destination/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1976-number-of-ways-to-arrive-at-destination/Medium | Dynamic Programming, Graph Theory, Topological Sort, Shortest Pathhttps://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/1916-count-ways-to-build-rooms-in-an-ant-colony/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1916-count-ways-to-build-rooms-in-an-ant-colony/Hard | Array, Math, Dynamic Programming, Tree, Depth-First Search, Graph Theory, Topological Sort, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/0913-cat-and-mouse/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0913-cat-and-mouse/Hard | Math, Dynamic Programming, Graph Theory, Topological Sort, Memoization, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3435-frequencies-of-shortest-supersequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3435-frequencies-of-shortest-supersequences/Hard | Array, String, Bit Manipulation, Graph Theory, Topological Sort, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3530-maximum-profit-from-valid-topological-order-in-dag/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3530-maximum-profit-from-valid-topological-order-in-dag/Hard | Array, Dynamic Programming, Bit Manipulation, Graph Theory, Topological Sort, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/3620-network-recovery-pathways/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3620-network-recovery-pathways/Hard | Array, Binary Search, Dynamic Programming, Graph Theory, Topological Sort, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3812-minimum-edge-toggles-on-a-tree/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3812-minimum-edge-toggles-on-a-tree/Hard | Tree, Depth-First Search, Graph Theory, Topological Sort, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2876-count-visited-nodes-in-a-directed-graph/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2876-count-visited-nodes-in-a-directed-graph/Hard | Dynamic Programming, Depth-First Search, Graph Theory, Topological Sort, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/2050-parallel-courses-iii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2050-parallel-courses-iii/Hard | Array, Dynamic Programming, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/2115-find-all-possible-recipes-from-given-supplies/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2115-find-all-possible-recipes-from-given-supplies/Medium | Array, Hash Table, String, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/2127-maximum-employees-to-be-invited-to-a-meeting/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2127-maximum-employees-to-be-invited-to-a-meeting/Hard | Array, Dynamic Programming, Depth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/2192-all-ancestors-of-a-node-in-a-directed-acyclic-graph/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2192-all-ancestors-of-a-node-in-a-directed-acyclic-graph/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/2246-longest-path-with-different-adjacent-characters/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2246-longest-path-with-different-adjacent-characters/Hard | Array, String, Tree, Depth-First Search, Graph Theory, Topological Sorthttps://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/2360-longest-cycle-in-a-graph/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2360-longest-cycle-in-a-graph/Hard | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/2603-collect-coins-in-a-tree/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2603-collect-coins-in-a-tree/Hard | Array, Tree, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/1462-course-schedule-iv/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1462-course-schedule-iv/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://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/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/1786-number-of-restricted-paths-from-first-to-last-node/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1786-number-of-restricted-paths-from-first-to-last-node/Medium | Dynamic Programming, Graph Theory, Topological Sort, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/1857-largest-color-value-in-a-directed-graph/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1857-largest-color-value-in-a-directed-graph/Hard | Hash Table, String, Dynamic Programming, Graph Theory, Topological Sort, Memoization, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1203-sort-items-by-groups-respecting-dependencies/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1203-sort-items-by-groups-respecting-dependencies/Hard | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0802-find-eventual-safe-states/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0802-find-eventual-safe-states/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0851-loud-and-rich/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0851-loud-and-rich/Medium | Array, Depth-First Search, Graph Theory, Topological Sorthttps://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/0207-course-schedule/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0207-course-schedule/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0210-course-schedule-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0210-course-schedule-ii/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0310-minimum-height-trees/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0310-minimum-height-trees/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort