Introduction to C + + Classic-Example 3.21-goto statement implementation loop

1: The code is as follows:

//3.21.cpp: Defines the entry point of the console application. //#include"stdafx.h"#include<iostream>using namespacestd;voidMain () {intIvar =0;//defines an integer variable initialized to 0    intnum =0;//defines an integer variable initialized to 0Label//Define a labelivar++;//Ivar Self-add 1num + = Ivar;//Accumulate sum    if(Ivar <Ten)//determine if Ivar is less than ten    {        GotoLabel//Steering Label} cout<< Num <<Endl;}

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Operation Result:

Introduction to C + + Classic-Example 3.21-goto statement implementation loop