算法二分法leetcode 的相关内容

从小白开始刷算法二分法篇 leetcode.74

74. 搜索二维矩阵编写一个高效的算法来判断 m x n 矩阵中，是否存在一个目标值。该矩阵具有如下特性：每行中的整数从左到右按升序排列。每行的第一个整数大于前一行的最后一个整数。示例 1：输入：matrix = [[1,3,5,7],[10,11,16,20],[23,30,3...

从小白开始刷算法二分法篇 leetcode.162

162. 寻找峰值峰值元素是指其值严格大于左右相邻值的元素。给你一个整数数组 nums，找到峰值元素并返回其索引。数组可能包含多个峰值，在这种情况下，返回任何一个峰值所在位置即可。你可以假设 nums[-1] = nums[n] = -∞ 。你必须实现时间复杂度为 O(log n) 的算法来解决...

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从小白开始刷算法二分法篇 leetcode.35

35. 搜索插入位置给定一个排序数组和一个目标值，在数组中找到目标值，并返回其索引。如果目标值不存在于数组中，返回它将会被按顺序插入的位置。请必须使用时间复杂度为 O(log n) 的算法。示例 1:输入: nums = [1,3,5,6], target = 5输出: 2示例 2:输入: nums...

从小白开始刷算法二分法篇 leetcode.704

704. 二分查找给定一个 n 个元素有序的（升序）整型数组 nums 和一个目标值 target ，写一个函数搜索 nums 中的 target，如果目标值存在返回下标，否则返回 -1。示例 1:输入: nums = [-1,0,3,5,9,12], target = 9输出: 4解释: 9 出现...

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