제출 #260726

#제출 시각아이디문제언어결과실행 시간메모리
260726arborArt Exhibition (JOI18_art)C++14
100 / 100
253 ms21260 KiB
#include <bits/stdc++.h> #define all(x) x.begin(), x.end() using namespace std; using ll = long long; using pii = pair<int, int>; const int MN = 5e5 + 5; int N; int main() { ios_base::sync_with_stdio(0), cin.tie(0); cin >> N; vector<pair<ll, ll>> v; for (int i = 0; i < N; i++) { ll a, b; cin >> a >> b; v.emplace_back(a, b); } sort(all(v)); ll cur = 0, ans = 0; for (int i = 0; i < N; i++) { ll a = v[i].first, b = v[i].second; cur = max(cur, a) + b; ans = max(ans, cur - a); } cout << ans << '\n'; return 0; }
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