제출 #486500

#제출 시각아이디문제언어결과실행 시간메모리
486500status_codingArt Exhibition (JOI18_art)C++14
100 / 100
283 ms44324 KiB
#include <bits/stdc++.h>

using namespace std;

struct pos
{
    long long s, val;

    bool operator<(pos b) const
     {
        return s < b.s;
    }
};

long long n,ans;
pos v[500005];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>v[i].s>>v[i].val;
    sort(v+1, v+n+1);

    multiset<long long> s;
    long long sum=0;

    for(int i=1;i<=n;i++)
    {
        sum += v[i-1].val;
        s.insert(sum - v[i].s);

        ans = max(ans, sum+v[i].val - v[i].s - *s.begin());
    }

    cout<<ans;
    return 0;
}
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