Submission #1334396

#	Time	Username	Problem	Language	Result	Execution time	Memory
1334396		enson	Art Exhibition (JOI18_art)	C++20	0 / 100	0 ms	344 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int N;
    cin >> N;
    pair<int, int>A[N];
    for(int i = 0; i < N; i++){
        cin >> A[i].first >> A[i].second;
    }
    sort(A, A+N);
    int B[N] = {A[0].second};
    for(int i = 1; i < N; i++){
        B[i] = A[i].second - A[i].first + A[i-1].first;
    }
    int c = 0, m = 0, j = 0;
    for(int i = 0; i < N; i++){
        c += B[i];
        m = max(c, m);
        while(c < 0){
            c -= B[j];
            c += A[j+1].first - A[j].first;
            j++;
        }
    }
    cout << m;
}

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