九九乘法表

#include <iostream>

using namespace std;

int main()
{
int j;
int k;
cout<<"打印九九乘法表"<<endl;
for(j=1;j<=9;j++)
for(k=1;k<=9;k++)
if(k==9)cout<<" "<<j*k<<endl;
else
cout<<" "<<j*k;

}

另一种版本的九九乘法表

#include<iostream>
using namespace std;
int main()
{
int j,k;
for(j=1;j<=9;j++)
{for(k=1;k<=j;k++)
cout<<"j*k="<<j*k<<" ";
cout<<endl;
}
}