제출 #718176

#제출 시각아이디문제언어결과실행 시간메모리
718176Yell0Art Exhibition (JOI18_art)C++17
0 / 100
1 ms340 KiB
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
const int MN=5e5+2;
int N,idx;
pll a[MN];
ll pfs[MN],ans=0;

int main() {
  ios::sync_with_stdio(0);cin.tie(0);
  cin>>N;
  for(int i=1;i<=N;++i) cin>>a[i].first>>a[i].second;
  sort(a+1,a+1+N);
  for(int i=1;i<=N;++i) pfs[i]=pfs[i-1]+a[i].second;
  for(int i=1;i<=N;++i)
    ans=max(ans,pfs[i]-(a[i].first-a[1].first));
  cout<<ans<<'\n';
  return 0;
}
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