原文链接: https://leetcode-cn.com/problems/matrix-block-sum
英文原文Given a m x n matrix mat and an integer k, return a matrix
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原文链接: https://leetcode-cn.com/problems/can-make-palindrome-from-substring
英文原文You are given a string s and array queri
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/get-equal-substrings-within-budget
英文原文You are given two strings s and t of the
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/maximum-side-length-of-a-square-with-sum-less-than-or-equal-to-threshold
英文原文Gi
原文链接: https://leetcode-cn.com/problems/xor-queries-of-a-subarray
英文原文You are given an array arr of positive integers.
原文链接: https://leetcode-cn.com/problems/find-the-longest-substring-containing-vowels-in-even-counts
英文原文Given the strin
原文链接: https://leetcode-cn.com/problems/minimum-value-to-get-positive-step-by-step-sum
英文原文Given an array of integers&n
原文链接: https://leetcode-cn.com/problems/maximum-points-you-can-obtain-from-cards
英文原文There are several cards arranged i
