/*
// 1 循环语句的老祖宗Goto语句
#include <iostream>
using namespace std;
int main()
{
int i= 1;
if(i > 10){
//goto yes;
}
cout<<"*"<<i<<endl;
i++;
//goto yes;
cout<<"程序结束";
cout<<"********\n";
yes:;
return 0;
}
*/
/*
// 2 while语句
#include <iostream>
using namespace std;
int main()
{
int i=1;
while(i < 10)
{
cout<<"i:"<<i<<endl;
i++;
}
return 0;
}
*/
/*
// 3 while语句的其它用法
#include <iostream>
using namespace std;
int main()
{
int number, dot=1;
cout<<"请问你想看几次:"<<endl;
cin>>number;
while(dot <= number)
{
cout<<"问君能有几多愁，恰似一江春水向东流"<<endl;
dot++;
}
cout<<"程序运行结束"<<endl;
return 0;
}
*/
/*
// 4 continue和break语句
#include <iostream>
using namespace std;
int main()
{
int i=0;
int b = 10;
while(i < b )
{
i++;
if(i == 8){
cout<<"这里进行跳出while循环"<<endl;
break;
}
if(i==2){
cout<<"这里只是跳出本次循环2"<<endl;
continue;
}
cout<<"i的值为:"<<i<<endl;
}
return 0;
}
*/
/*
// 6 do...while循环
#include <iostream>
using namespace std;
int main()
{
int number;
cout<<"请问您要看几次:"<<endl;
cin>>number;
int dot=0;
do{
cout<<"这是第"<<number<<"次循环"<<endl;
dot ++;
}while(dot < number);
return 0;
}
*/
/*
//7 for循环
#include <iostream>
using namespace std;
int main()
{
int number, dot=0;
cout<<"请问您要看几次:"<<endl;
cin>>number;
for(int i=number; i>0; i--)
{
cout<<"这是第"<<i<<"次操作"<<endl;
}
return 0;
}
*/
//8 灵活的for循环
#include <iostream>
using namespace std;
int main()
{
for(int i=0, x=0,y=0; x<= 3; i++,x++,y++)
{
cout<<"i="<<i<<", x="<<x<<", y="<<y<<endl;
}
return 0;
}
