题解 | 牛牛数数

#include <stdio.h>
int pill(int num)
{
    while (num>0) {
        if(num%10==4) return 1;
        else num=num/10;
    }
    return 0;
}
int main() {
    int n,i;
    scanf("%d",&n);
    for ( i=1;i<=n;i++) {
        if(i%4==0)
        continue;
        else if (pill(i)) continue;
        printf("%d\n",i);
        }
    return 0;
}