打印九九乘法表

#include <stdio.h>int main (){    int i=0,j=0;    int n=0;    for (i=1;i<=9;i++)    {        for (j=1;j<=i;j++)        {            n=i*j;            printf("%d*%d=%2d  ",i,j,n);//等号右边2个字符右对齐：%2d        }        printf("\n");    }    return 0;}