Submission #1085418

#	Time	Username	Problem	Language	Result	Execution time	Memory
1085418		juicy	Sure Bet (CEOI17_sure)	C++17	100 / 100	59 ms	3668 KiB

sure

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  int n; cin >> n;
  vector<double> a(n), b(n);
  for (int i = 0; i < n; ++i) {
    cin >> a[i] >> b[i];
  }
  sort(a.rbegin(), a.rend());
  sort(b.rbegin(), b.rend());
  double res = 0, A = 0, B = 0;
  for (int i = 0, j = 0; i < n || j < n; ) {
    if (i < n && (j == n || A < B)) {
      A += a[i++];
    } else {
      B += b[j++];
    }
    res = max(res, min(A, B) - i - j);
  }
  cout << fixed << setprecision(4) << res;
  return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 40 / 40