Question

C++cin问题

#include <iostream>
using namespace std;
main()
{
int z,x,y;
cin>>z>>x>>y;
cout<<z+x+y<<"\n";
}看可以不可以在这中间加上一句“请输入3位整数，如果可以的在在什么地方加？

Answer 1

#include <iostream>
using namespace std;
main()
{
int z,x,y;
cout<<"请输入3位整数";--------------或者用C语言来弄就是：printf("请输入3位整数\n";)
cin>>z>>x>>y;
cout<<z+x+y<<"\n";
}

Answer 2

#include <iostream>
using namespace std;
main()
{
int z,x,y;cout<<"请输入三个整数："<<"\n";
cin>>z>>x>>y;
cout<<z+x+y<<"\n";
}

Answer 3

#include <iostream>using namespace std;main(){ int z,x,y; cout<<"请输入3位整数";cin>>z>>x>>y; cout<<z+x+y<<"\n";}