求解C++难题，大老们

/* Note:Your choice is C IDE */
#include "stdio.h"

void testing(int n){
    if(n%3==0 && n%5 !=0){
        printf("是3的倍数，不是5的倍数\n");    
    }    
}
void print(int n,char t){
    int i,j;
    for(i=0;i<n;i++){
        for(j=0;j<=i;j++){
            printf("%c",t);    
        }    
        printf("\n");
    }    
}
void main()
{
    testing(6);
    print(4,'*');
    print(4,'#');
    print(4,'@');
    
}