sdut 2847 Monitor (思维题)

 1 #include <iostream>
 2 #include <cstdio>
 3 #include <cstring>
 4 #include <cmath>
 5 using namespace std;
 6 
 7 long long gcd(long long a, long long b)
 8 {
 9     return b?gcd(b, a%b):a;
10 }
11 int main()
12 {
13     long long a, b, x, y, tmp;
14     while(~scanf("%lld%lld%lld%lld", &a, &b, &x, &y))
15     {
16         tmp = gcd(x, y);
17         x /= tmp;
18         y /= tmp;
19         tmp = min(a/x, b/y);
20         printf("%lld %lld\n", x*tmp, y*tmp);
21     }
22     return 0;
23 }