Submission #1118579

#	Time	Username	Problem	Language	Result	Execution time	Memory
1118579		heey	Art Exhibition (JOI18_art)	C++14	100 / 100	169 ms	21076 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n; cin >> n;
    vector<pair<int, int>> a(n);
    for(int i = 0; i < n; i++) cin >> a[i].first >> a[i].second;
    sort(a.begin(), a.end());

    int res, cur;
    res = cur = a[0].second;
    for(int i = 1; i < n; i++){
        cur += a[i].second;
        cur -= a[i].first;
        cur += a[i-1].first;
        cur = max(cur, a[i].second);
        res = max(res, cur);
    }

    cout << res << '\n';
    return 0;
}

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