제출 #283515

#제출 시각아이디문제언어결과실행 시간메모리
283515sofapudenArt Exhibition (JOI18_art)C++14
100 / 100
223 ms20928 KiB
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n; cin >> n;
	vector<pair<ll,ll>> v(n);
	for(auto &i : v)cin >> i.first >> i.second;
	sort(v.begin(), v.end());
	ll ma = v[0].second;
	ll cur = v[0].second;
	for(int i = 1; i < n; ++i){
		cur+=v[i].second;
		cur-=(v[i].first-v[i-1].first);
		cur = max(cur, v[i].second);
		ma = max(ma,cur);
	}
	cout << ma << "\n";
	
	
	
}
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