3049. 标记所有索引的最早秒数 II
Hard | Array, Binary Search, Greedy, Heap (Priority Queue)
Greedy
3068. 找到节点值的最大和
Hard | Array, Dynamic Programming, Greedy, Bit Manipulation, Tree, Sorting
3074. 苹果重新分装到盒子里
Easy | Array, Greedy, Sorting
3075. 选择儿童的最大幸福值
Medium | Array, Greedy, Sorting
3081. 替换字符串中的问号使其值最小
Medium | Hash Table, String, Greedy, Sorting, Heap (Priority Queue), Counting
3085. 使字符串 K-特殊的最少删除次数
Medium | Hash Table, String, Greedy, Sorting, Counting
3086. 收集 K 个 1 的最少移动次数
Hard | Array, Greedy, Sliding Window, Prefix Sum
3091. 使数组和大于等于 k 的最少操作次数
Medium | Math, Greedy, Enumeration
3106. 约束条件下字典序最小的字符串
Medium | String, Greedy
3107. 使数组中位数等于 K 的最少操作数
Medium | Array, Greedy, Sorting