原文链接: https://leetcode-cn.com/problems/k-concatenation-maximum-sum
英文原文Given an integer array arr and an integer k, mo
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数组 分类
原文链接: https://leetcode-cn.com/problems/number-of-visible-people-in-a-queue
英文原文There are n people standing in a queue,
原文链接: https://leetcode-cn.com/problems/largest-magic-square
英文原文A k x k magic square is a k x k grid filled with integ
原文链接: https://leetcode-cn.com/problems/watering-plants
英文原文You want to water n plants in your garden with a watering c
原文链接: https://leetcode-cn.com/problems/unique-number-of-occurrences
英文原文Given an array of integers arr, return true if
原文链接: https://leetcode-cn.com/problems/minimum-moves-to-reach-target-with-rotations
英文原文In an n*n grid, ther
原文链接: https://leetcode-cn.com/problems/where-will-the-ball-fall
英文原文You have a 2-D grid of size m x n representing a b
原文链接: https://leetcode-cn.com/problems/sum-of-floored-pairs
英文原文Given an integer array nums, return the sum of floor(n
原文链接: https://leetcode-cn.com/problems/minimum-cost-to-move-chips-to-the-same-position
英文原文We have n chips, where the
原文链接: https://leetcode-cn.com/problems/longest-arithmetic-subsequence-of-given-difference
英文原文Given an integer array a