제출 #700159

#제출 시각아이디문제언어결과실행 시간메모리
700159IrenNArt Exhibition (JOI18_art)C++14
100 / 100
201 ms9172 KiB
#include <bits/stdc++.h>
#define int long long

using namespace std;

signed main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

    int n;
    cin>>n;
    int a,b;
    vector<pair<int,int>> v;
    for(int i=0;i<n;i++)
    {
        cin>>a>>b;
        v.push_back({a,b});
    }
    sort(v.begin(),v.end());
    int sum=0;
    int sum2=0;
    int ans;
    int ans2;
    int mx=-1e16;
    int mn=1e16 ,mn2=1e16;
    for(int i=0;i<n;i++)
    {
        if(i>0)
        {
        sum2+=v[i-1].second;

        }

            sum+=v[i].second;
            ans=sum-v[i].first;
            ans2=sum2-v[i].first;
            if(ans2<mn)
            {
                mn=ans2;
            }
            if(ans-mn>mx)
            {
                mx=ans-mn;
            }


    }
    cout<<mx;


}

컴파일 시 표준 에러 (stderr) 메시지

art.cpp: In function 'int main()':
art.cpp:25:18: warning: unused variable 'mn2' [-Wunused-variable]
   25 |     int mn=1e16 ,mn2=1e16;
      |                  ^~~
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