제출 #367049

#제출 시각아이디문제언어결과실행 시간메모리
367049vishesh312Art Exhibition (JOI18_art)C++17
100 / 100
218 ms20844 KiB
#include<bits/stdc++.h>
using namespace std;

using ll = long long;

int main() {
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    int n;
    cin >> n;
    vector<array<ll, 2>> v(n);
    for (auto &x : v) {
        cin >> x[0] >> x[1];
    }
    sort(v.begin(), v.end());
    ll ans = v[0][1];
    ll mn = -v[0][0];
    ll sum = v[0][1];
    for (int i = 1; i < n; ++i) {
        mn = min(mn, sum - v[i][0]);
        sum += v[i][1];
        ans = max(ans, sum - v[i][0] - mn);
    }
    cout << ans << '\n';
}
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