Submission #700148

#	Time	Username	Problem	Language	Result	Execution time	Memory
700148		IrenN	Art Exhibition (JOI18_art)	C++14	0 / 100	0 ms	212 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(ans>mx)
            {
                mx=ans;
                if(ans2<mn2)
                {
                    mn=ans2;
                    mn2=ans2;
                }
                else
                {
                    mn=mn2;
                }
            }
            else
            {
                if(ans2<mn2)
                {
                    mn2=ans;
                }
            }
    }
    cout<<mx-mn;


}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50