제출 #878646

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
878646		Muhammad_Aneeq	Sure Bet (CEOI17_sure)	C++17	100 / 100	130 ms	5400 KiB

sure

/*
بسم الله الرحمن الرحيم
Author:
                          (:Muhammad Aneeq:)
*/
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
#define ld long double
inline void solve()
{
  int n;
  cin>>n;
  vector<ld>a,b;
  for (int i=0;i<n;i++)
  {
    ld x,y;
    cin>>x>>y;
    a.push_back(x);
    b.push_back(y);
  }
  sort(a.begin(), a.end());
  reverse(a.begin(), a.end());
  sort(b.begin(), b.end());
  reverse(b.begin(), b.end());
  ld ans=0;
  int i=0,j=0;
  ld sa=0,sb=0;
  while (i<n||j<n)
  {
    if (i==n||sa>sb)
      sb+=b[j++];
    else
      sa+=a[i++];
    ans=max(ans,min(sb-(i+j),sa-(i+j)));
  }
  printf("%.4lf\n",(double)ans);
}
int main()
{
  // ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}

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