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)…

Duplicate Removal Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 1745   Accepted: 1213 Description The company Al's Chocolate Mangos has a web site where visitors can guess how many chocolate covered mangos are in a virtual jar. Visitor…

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…

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:[…

package y2019.Algorithm.array; /** * @ProjectName: cutter-point * @Package: y2019.Algorithm.array * @ClassName: MatrixReshape * @Author: xiaof * @Description: TODO 566. Reshape the Matrix * * In MATLAB, there is a very useful function called 'reshape…

如今主流浏览器都在比拼JavaScript引擎的执行速度,但最终都会达到一个理论极限,即无限接近编译后程序执行速度. 这种情况下决定程序速度的另一个重要因素就是代码本身. 在这里我们会分门别类的介绍JavaScript性能优化的技巧,并提供相应的测试用例,供大家在自己使用的浏览器上验证, 同时会对特定的JavaScript背景知识做一定的介绍. 目录 变量查找优化 变量声明带上var 慎用全局变量 缓存重复使用的全局变量 避免使用with 核心语法优化 通过原型优化方法定义 避开闭包陷阱 避免使…

Table 12.18 Information Functions Name Description BENCHMARK() Repeatedly execute an expression CHARSET() Return the character set of the argument COERCIBILITY() Return the collation coercibility value of the string argument COLLATION() Return the co…

root@db:/#lsdev -Cc disk --查看磁盘设备信息   -C customized -c class hdisk0       Available 00-08-00 SAS Disk Drive hdisk1       Available 00-08-00 SAS Disk Drive hdisk2       Available 05-00-01 EMC CLARiiON FCP RAID 5 Disk hdisk3       Available 05-00-01 EM…

Stream API Overview Before we look into Java 8 Stream API Examples, let’s see why it was required. Suppose we want to iterate over a list of integers and find out sum of all the integers greater than 10. Prior to Java 8, the approach to do it would b…