编辑代码

#include <stdio.h>
int main () {
int i=1;
int j=1;
int n;
scanf("%d",&n);
while(i<=n){
    j=1;
    while(j<=i){
        printf("%d*%d=%d",j,i,j*i);
        printf("  ");
        j++;
    }
    printf("\n");
    i++;
}
    return 0;
}