怎样快速而优雅地遍历 JavaScript 数组答:var array = [0,1,2,3,4,5,6,7,8,9];// for-in 循环 for (var val in array) { fn(val);} 还有这一种常见写法:// 未优化的代码2 var array = [0,1,2,3,4,5,6,7,8,9];// for 循环 for (var i=0; i < array.length; i++) { fn(array[i]);} 这两个方法...
C++ 对现有一维数组a[8]={1,2,3,4,5,6,7,8},用循环遍历和指针2种...答:include<iostream>using namespace std;int main(void){int i,a[8]={1,2,3,4,5,6,7,8};int *p=a;cout<<"循环遍历"<<endl;for(i=0;i<8;i++)cout<<a[i]<<" ";cout<<endl;cout<<"指针遍历"<<endl;for(i=0;p+i<p+8;i++)cout<<*(p+i)<<" ";cout<<endl;return ...
定义一个5*5的二维数组使元素值为行列号之积,然后输出此矩阵(用C#实...答:i行j列的数组第ii行第jj列可以表示为arr[ii,jj]程序示例:using System;using System.Collections.Generic;using System.Text;namespace ArrayDemo { //两种遍历二维数组的方法 class Program { static void Main(string[] args){ int[,] arr = new int[3, 4] {{62,35,62,23},{32,25,34,...
使用foreach循环遍历数组方法求出10个整数6 8 7 4 3 1 2 9 0 5中最...答:arr = array(6,8,7, 4, 3, 1, 2, 9, 0, 5); $max = 0; $min = 1000000; foreach($arr as $val){ if ($val > $max){ $max = $val; } if ($val < $min){ $min = $val; } } echo 'max: ' . $max . ", min: " . $min...