Meaning, the loop terminates if the statement expression/ condition becomes false. This structure allows programmers to control the flow of their code and perform repetitive tasks with ease. Syntax Of For Loop In C++ for (initialization; condition; increment/decrement) {// code to be executed} ...
whileloop do...whileloop This tutorial focuses on C++forloop. We will learn about the other type of loops in the upcoming tutorials. C++ for loop The syntax of for-loop is: for(initialization; condition; update) {// body of-loop} ...
Syntax attr (optional)for (init-statementcondition (optional);expression (optional))statement attr-(since C++11)any number ofattributes init-statement-one of anexpression statement(which may be a null statement;) asimple declaration(typically a declaration of a loop counter variable...
When you know exactly how many times you want to loop through a block of code, use theforloop instead of awhileloop: Syntax for(statement 1;statement 2;statement 3) { // code block to be executed } Statement 1is executed (one time) before the execution of the code block. ...
Its syntax is, for(rangeDeclaration : rangeExpression) {// code} In the above example, rangeDeclaration-int var rangeExpression-num Working of ranged for loop in C++ Example 1: Ranged for Loop Using Array #include<iostream>usingnamespacestd;intmain(){// initialize arrayintnumArray[] = {1...
for 循环允许您编写一个执行特定次数的循环的重复控制结构。语法C++ 中 for 循环的语法:for ( init; condition; increment ) { statement(s); } 下面是 for 循环的控制流:init 会首先被执行,且只会执行一次。这一步允许您声明并初始化任何循环控制变量。您也可以不在这里写任何语句,只要有一个分号出现即可。
The for loop <intro/control Revision as of 17:00, 22 September 2013 byP12(Talk|contribs) (diff)← Older revision| Latest revision (diff) | Newer revision → (diff) Warning: This wiki is part of the deprecated and unmaintained CppReference Book project. For up-to-date information on ...
// range-based-for.cpp// compile by using: cl /EHsc /nologo /W4#include<iostream>#include<vector>usingnamespacestd;intmain(){// Basic 10-element integer array.intx[10] = {1,2,3,4,5,6,7,8,9,10};// Range-based for loop to iterate through the array.for(inty : x ) {// ...
但经过编译器的精心优化以后，while(1)也会被优化成无条件跳转（jmp指令），所以跟for(;;)没什么区别...
Syntax for (init-expression;cond-expression;loop-expression) statement Remarks Use theforstatement to construct loops that must execute a specified number of times. Theforstatement consists of three optional parts, as shown in the following table. ...