Submission #1163267

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
11632672025-03-07 17:32:36boclobanchatArt Exhibition (JOI18_art)C++20
100 / 100
105 ms8264 KiB
#include<bits/stdc++.h>
using namespace std;
#define ii pair<long long,long long>
#define fi first
#define se second
const int MAXN=5e5+5;
ii A[MAXN];
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;
cin>>n;
for(int i=1;i<=n;i++) cin>>A[i].fi>>A[i].se;
sort(A+1,A+n+1);
long long ans=0,pref=0,mn=1e18;
for(int i=1;i<=n;i++)
{
mn=min(mn,pref-A[i].fi),pref+=A[i].se;
ans=max(ans,pref-A[i].fi-mn);
}
cout<<ans;
}
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