这是小川的第392次更新,第423篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第255题(顺位题号是1089).给定一个固定长度的整数数组arr,复制每次出现的零,将剩余的元素向右移动. 请注意,不会写入超出原始数组长度的元素. 对输入数组进行上述修改,不要从函数返回任何内容. 例如: 输入:[1,0,2,3,0,4,5,0] 输出:null 说明:调用函数后,输入数组被修改为:[1,0,0,2,3,0,0,4] 输入:[1,2,3] 输出:null 说明:调用函…

1089. 复写零 1089. Duplicate Zeros 题目描述 给你一个长度固定的整数数组 arr,请你将该数组中出现的每个零都复写一遍,并将其余的元素向右平移. 注意:请不要在超过该数组长度的位置写入元素. 要求:请对输入的数组 就地 进行上述修改,不要从函数返回任何东西. 每日一算法2019/7/14Day 72LeetCode1089. Duplicate Zeros 示例 1: 输入:[1,0,2,3,0,4,5,0] 输出:null 解释:调用函数后,输入的数组将被修改为:[…

problem 1089. Duplicate Zeros 题意: solution: 其中关于虚拟新数组的下标的计算还是有点迷糊... class Solution { public: void duplicateZeros(vector<int>& arr) { int n = arr.size(); ); ; i>=; i--) { if((--m) <n) //err.... { arr[m] = arr[i]; } && (--m) <n)…

题目 Given an array of integers, find out whether there are two distinct indices i and j in the array such that the difference between nums[i] and nums[j] is at most t and the difference between i and j is at most k. 分析 题目描述:给定一个整数序列,查找是否存在两个下标分别为i和j的元…

Given a fixed length array arr of integers, duplicate each occurrence of zero, shifting the remaining elements to the right. Note that elements beyond the length of the original array are not written. Do the above modifications to the input array in…

题目如下: Given a fixed length array arr of integers, duplicate each occurrence of zero, shifting the remaining elements to the right. Note that elements beyond the length of the original array are not written. Do the above modifications to the input arr…

[题目1] Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. 判断是否存在重复数字 [思路] 1.想复杂了,用了HashSet/…

题目: 给定一个整数数组,判断是否存在重复元素. Given an array of integers, find if the array contains any duplicates. 如果任何值在数组中出现至少两次,函数返回 true.如果数组中每个元素都不相同,则返回 false. Your function should return true if any value appears at least twice in the array, and it should return…

Given a list of directory info including directory path, and all the files with contents in this directory, you need to find out all the groups of duplicate files in the file system in terms of their paths. A group of duplicate files consists of at l…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 保存已经访问过的数字 链表成环 二分查找 日期 题目地址:https://leetcode.com/problems/find-the-duplicate-number/description/ 题目描述 Given an array nums containing n + 1 integers where each integer is betwe…