제출 #1266889

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1266889		thewizardman	Art Exhibition (JOI18_art)	C++20	100 / 100	105 ms	8264 KiB

art

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

int n;
ll sum, mx;
pll a[500000];

int main() {
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  cin >> n;
  for (int i = 0; i < n; i++) cin >> a[i].first >> a[i].second;
  sort(a, a+n);
  for (int l = n-1, r = n-1; l >= 0; l--) {
    if (sum + a[l].first - a[r].first < 0) r = l, sum = 0;
    sum += a[l].second;
    mx = max(mx, sum + a[l].first - a[r].first);
  }
  cout << mx;
}

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