想要求最大公倍数和最小公约数
#include <iostream>
using namespace std;
int main() {
long long int m = 1;long long int n=1;
cin >> m >> n;
int gcd, lcm;
int a, b;
if (m > n) { a = m; b = n; }
else { a = n; b = m; }
while (1) {
if (a % b == 0) break;
a = b; b = a % b;
}
gcd = b; lcm = m * n / gcd;
cout << gcd << endl << endl << lcm;
return 0;
}