有一个大型的 (m - 1) x (n - 1) 矩形田地，其两个对角分别是 (1, 1) 和 (m, n) ，田地内部有一些水平栅栏和垂直栅栏，分别由数组 hFences 和 vFences 给出。 水平栅栏为坐标 (hFences[i], 1) 到 (hFences[i], n)，垂直栅栏为坐标 (1, vFences[i]) 到 (m, vFences[i]) 。 返回通过 移除 一些栅栏（可能不移除）所能形成的最大面积的 正方形 田地的面积，或者如果无法形成正方形田地则返回 -1。 由于答案可能很大，所以请返回结果对…

There is a large (m - 1) x (n - 1) rectangular field with corners at (1, 1) and (m, n) containing some horizontal and vertical fences given in arrays hFences and vFences respectively. Horizontal fences are from the coordinates (hFences[i], 1) to (hFences[i]…

给你一个长度为 n 的整数数组 nums 。 一个数组的 代价 是它的 第一个 元素。比方说，[1,2,3] 的代价是 1 ，[3,4,1] 的代价是 3 。 你需要将 nums 分成 3 个 连续且没有交集 的子数组。 请你返回这些子数组的 最小 代价 总和 。   示例 1： 输入：nums = [1,2,3,12] 输出：6 解释：最佳分割成 3 个子数组的方案是：[1] ，[2] 和 [3,12] ，总代价为 1 + 2 + 3 = 6 。 其他得到 3 个子数组的方案是： - [1] ，[2,3]…

You are given an array of integers nums of length n. The cost of an array is the value of its first element. For example, the cost of [1,2,3] is 1 while the cost of [3,4,1] is 3. You need to divide nums into 3 disjoint contiguous subarrays. Return the minimum…

给你一个由小写英文字母组成的字符串 s。

You are given a string s consisting of lowercase English letters. A substring of s is called balanced if all distinct characters in the substring appear the same number of times. Return the length of the longest balanced substring of s.   Example 1: Input:…

给你一个由正整数组成的 m x n 矩阵 grid。你的任务是判断是否可以通过 一条水平或一条垂直分割线 将矩阵分割成两部分，使得：

You are given an m x n matrix grid of positive integers. Your task is to determine if it is possible to make either one horizontal or one vertical cut on the grid such that:

给你一个由正整数组成的 m x n 矩阵 grid。你的任务是判断是否可以通过 一条水平或一条垂直分割线 将矩阵分割成两部分，使得：

You are given an m x n matrix grid of positive integers. Your task is to determine if it is possible to make either one horizontal or one vertical cut on the grid such that:

给你两个整数 num1 和 num2，表示一个 闭 区间 [num1, num2]。

You are given two integers num1 and num2 representing an inclusive range [num1, num2]. The waviness of a number is defined as the total count of its peaks and valleys:

给你一个 正整数 数组 nums 。 你需要从数组中选出一个满足下述条件的子集：

You are given an array of positive integers nums. You need to select a subset of nums which satisfies the following condition:

我们定义「顺次数」为：每一位上的数字都比前一位上的数字大 1 的整数。 请你返回由 [low, high] 范围内所有顺次数组成的 有序 列表（从小到大排序）。   示例 1： 输出：low = 100, high = 300 输出：[123,234] 示例 2： 输出：low = 1000, high = 13000 输出：[1234,2345,3456,4567,5678,6789,12345]   提示：

An integer has sequential digits if and only if each digit in the number is one more than the previous digit. Return a sorted list of all the integers in the range [low, high] inclusive that have sequential digits.   Example 1: Input: low = 100, high = 300…