oj.uz

답안 #878625

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
878625 2023-11-25T02:33:32 Z Muhammad_Aneeq Sure Bet (CEOI17_sure) C++17
0 / 100
 2 ms 2396 KB 
/*
بسم الله الرحمن الرحيم
Author:
                          (:Muhammad Aneeq:)
*/
#pragma GCC optimize("O2")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
#define ld long double
int const N=1e5+10;
ld a[N],b[N];
bool comp(ld i,ld j)
{
  return (i>j);
}
inline void solve()
{
  int n;
  cin>>n;
  for (int i=0;i<n;i++)
    cin>>a[i]>>b[i];
  sort(a,a+n,comp);
  sort(b,b+n,comp);
  vector<vector<ld>>pre(2,vector<ld>(n+1));
  for (int i=0;i<n;i++)
  {
    pre[0][i+1]=pre[0][i]+a[i];
    pre[1][i+1]=pre[1][i]+b[i];
  }
  ld ans=0;
  for (int i=1;i<=2*n;i++)
  {
    for (int j=max(0,i-n);i-j>=0;j++)
      ans=max(ans,min(pre[0][j]-i,pre[1][i-j]-i));
  }
  printf("%.4lf\n",(double)ans);
}
int main()
{
  ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}

Subtask #1
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Incorrect 2 ms 2396 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Incorrect 2 ms 2396 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Incorrect 2 ms 2396 KB Output isn't correct
5 Halted 0 ms 0 KB -