题解 | 牛牛逆序输出

#include <stdio.h>

int main() {
    int n, result = 0;
    scanf("%d",&n);

    while(n > 0)
    {
        result = result * 10 + n % 10;
        n /= 10;
    }

    printf("%d",result);

    
    return 0;
}