求两个正整数m、n的最大公约数和最小公倍数

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main() {
    int m, n;
    int m1, n1;
    int gbs, gys;
    int r;
    scanf("%d%d", &m, &n);
    m1 = m, n1 = n;
    while (r = m % n)
    {
        m = n;
        n = r;
    }
    gys = n;
    gbs = m1 * n1 / gys;
    printf("最大公约数为：%d\n最小公倍数为：%d\n", gys, gbs);
    return 0;
}