Submission #1297907

#	Time	Username	Problem	Language	Result	Execution time	Memory
1297907		islam_2010	Art Exhibition (JOI18_art)	C++20	100 / 100	441 ms	12084 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
    int n;
    cin >> n;
    vector<pair<int, int>> v(n);
    for(int i = 0; i < n; i++){
        cin >> v[i].first >> v[i].second;
    }sort(v.begin(), v.end());
    vector<int> p(n);
    p[0] = v[0].second;
    for(int i = 1; i < n; i++){
        p[i] = p[i-1] + v[i].second;
    }int ans = INT_MIN;
    int mn = -v[0].first;
    
    for(int i = 0; i < n; i++){
        ans = max(ans, p[i] - v[i].first - mn);
        mn = min(mn, p[i] - v[i+1].first);
    }cout << ans;
}

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