Submission #700159

#	Time	Username	Problem	Language	Result	Execution time	Memory
700159		IrenN	Art Exhibition (JOI18_art)	C++14	100 / 100	201 ms	9172 KiB

art

#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;


}

Compilation message (stderr)

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

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50