Submission #699374

#	Time	Username	Problem	Language	Result	Execution time	Memory
699374		Mo7amed_Hossam	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	212 KiB

art

/*
* created by Mohamed hossam
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 ##  ##    ##  ##    ##     ##     #######    ##############     ##    ##      ########
 ##   ######   ##   ##       ##    #######    ##############    #########     ##     ##
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*/
#include <bits/stdc++.h>
#define ll long long
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

using namespace std;
ll n;
pair<ll,ll>a[5001];
ll p=-1e5;
void solve(ll i,ll sum,ll max1,ll min1)
{
    if(i>=n)return;
    if(i==n-1&&max1!=-1e9&&min1!=1e9&&sum!=0){p=max(p,sum-(max1-min1));return;}
    solve(i+1,sum,max1,min1);
    solve(i+1,sum+a[i].second,max(max1,a[i].first),min(a[i].first,min1));

}
int main()
{
    fast;

    cin>>n;
    for(ll i=0; i<n; i++)
    {
        cin>>a[i].first>>a[i].second;
    }
    sort(a,a+n);
    solve(0,0,-1e9,1e9);
    cout<<p;
    return 0;
}

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