编辑代码

#include <stdio.h>
int main () 
{
    int a,i,j,k;
    printf("input the number(100-999):");
    scanf("%d",&a);
    if(a%3==0&&a%5==0&&a%7==0)
        printf("can be divided by 3,5,7");
    else if(a%3==0&&a%5==0)
        printf("can be divided by 3,5");
    else if(a%3==0&&a%7==0)
        printf("can be divided by 3,7");
    else if(a%5==0&&a%7==0)
        printf("can be divided by 5,7");
    else if(a%3==0)
        printf("can be divided by 3");
    else if(a%5==0)
        printf("can be divided by 5");
    else if(a%7==0)
        printf("can be divided by 7");
    else printf("not can be divided by 3 or 5 or 7");
    return 0;
}