编辑代码

#include <stdio.h>
int main () {
    int n;
    scanf("%d",&n);
    int i,j;
    i=1;
    while(i<=n){
        j=1;
        while( j<=i){
            printf("%d*%d=%d",j,i,i*j);
            if(i*j<10){
                printf("    ");
            }else{
                printf("   ");
            }
            j++;
        }
        printf("\n");
        i++;
    }   
    return 0;
}