제출 #863431

#제출 시각아이디문제언어결과실행 시간메모리
86343120163070Art Exhibition (JOI18_art)C++14
100 / 100
377 ms24916 KiB
#include <bits/stdc++.h> using namespace std; #define int long long const int N=5e5+10; int n; pair<int,int> a[N]; int b[N]; signed main() { cin>>n; for(int i=1;i<=n;i++) cin>>a[i].first>>a[i].second; sort(a+1,a+n+1); for(int i=1;i<=n;i++) { b[i]=b[i-1]+a[i].second; } int maxn=0,ans=0; for(int i=1;i<=n;i++) { maxn=max(maxn,a[i].first-b[i-1]); ans=max(ans,b[i]-a[i].first+maxn); } cout<<ans; return 0; }
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