제출 #126157

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
126157		AlexLuchianov	Art Exhibition (JOI18_art)	C++14	0 / 100	2 ms	376 KiB

art

#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

#define ll long long
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) < (b)) ? (b) : (a))

int const nmax = 500000;
ll const inf = 1000000000000000;

struct number{
  ll cost;
  ll sz;
  bool operator < (number const &a) const{
    return sz < a.sz;
  }
};
number v[1 + nmax];
ll sum[1 + nmax];

int main()
{
  int n;
  cin >> n;
  for(int i = 1;i <= n; i++){
    cin >> v[i].sz >> v[i].cost;
  }
  sort(v + 1, v + n + 1);
  for(int i = 1;i <= n ; i++)
    sum[i] = sum[i - 1] + v[i].cost;

  ll smax = -inf;
  ll smin = inf;
  for(int i = 1;i <= n; i++){
    smax = MAX(smax, sum[i] - v[i].sz - smin);
    smin = MIN(smin, sum[i - 1] - v[i].sz);
  }
  cout << smax;

  return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50