BOJ 19961 - Гонки [C++]

문제

링크

풀이

#include <iostream>
using namespace std;
 
inline double calc(int t, int v, int x) {
  int r = x / (v * t), q = x % (v * t);
 
  return r ? (q ? 2.0*r*t+q/v : (2.0*r-1)*t) : (double)q/v;
}
 
void solve(void) {
  int t1, v1, t2, v2; cin >> t1 >> v1 >> t2 >> v2;
  int x; cin >> x;
 
  cout << (calc(t1, v1, x) < calc(t2, v2, x) ? "First" :
           calc(t1, v1, x) > calc(t2, v2, x) ? "Second" : "Draw");
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}