输出1到100,要求每行输出10个数,,其中每个数的输出宽度为5？用C++ 编译。。。在线

Answer 1

#include<iostream>
#include<cstdio>

using namespace std;

int main(){
    int i;
    for(i=1;i<=100;i++){
        printf("%5d",i);
        if(i%10==0)
            cout<<endl;
    }
    return 0;
}

Answer 2

Answer 3

#include<iostream>
using namespace std;
int main(){

for(int i=1;i<=100;i++){
cout<<i;
if(i<10){
cout<<" ";
}
else{
cout<<" ";
}
if( i%10 == 0) cout<<endl;
}

return 0;
}

Answer 4

#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
for (int i = 1; i <= 100; i++)
{
cout << setw(5) << i;
if (i % 10 == 0)
cout << endl;
}
return 0;
}