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Given an array withnintegers, your task is to check if it could become non decreasing by modifyingat most element. We define an array is non decreasing ifarray i lt array i holds for everyi lt i lt n ...
2017-09-20 22:26 1 7655 推荐指数:
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《力扣算法训练提升》图解数组篇-打卡数组统计-【665】非递减数列 数组的基本特性 数组是最简单的数据结构。 数组是用来存储一系列相同类型数据,数据连续存储,一次性分配内存。 数组中间进行插入和删除,每次必须搬移后面的所有数据以保持连续,时间复杂度 O(N)。 囧么肥事今日打卡题目 ...
题面 https://loj.ac/problem/3247 题解 考虑CDQ分治。对于\(solve(l,r,v)\)(其中l,r表示当前处理到的区间的左右端点,v是一个vector,存放当前 ...
Given a collection of intervals, find the minimum number of intervals you need to remove to make the rest of the intervals non ...
题目: 给定数组a, 里面的元素先严格递增后严格递减, 求最大值元素的下标. 分析: 看到这道题目的时候, 我脑海中首先浮现出现的是爬山坡. "先递增"就是爬坡, "后递减"就是下坡, 而要找的最大值就是"峰顶". 而"严格"二字表明数组中不包含重复数字. OK, 我想最简单的思路 ...
In a given array nums of positive integers, find three non-overlapping subarrays with maximum sum. Each subarray will be of size k, and we want ...
Given a list of non-overlapping axis-aligned rectangles rects, write a function pick which randomly and uniformily picks an integer point ...
Given a positive integer n, find the number of non-negative integers less than or equal to n, whose binary representations do NOT contain ...