제출 #614226

#제출 시각아이디문제언어결과실행 시간메모리
614226narvaloArt Exhibition (JOI18_art)C++17
100 / 100
205 ms24652 KiB
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<pair<long long , long long>> a(n); for (int i = 0 ; i < n ; i += 1) { cin >> a[i].first >> a[i].second; } sort(a.begin() , a.end()); vector<long long> dp(n); long long ans = 0; for (int i = 0 ; i < n ; i++) { if (i > 0) { dp[i] = dp[i - 1] + a[i].second; dp[i] += a[i - 1].first; dp[i] -= a[i].first; } dp[i] = max(dp[i] , a[i].second); ans = max(ans , dp[i]); } cout << ans << '\n'; return 0; }
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