Submission #1290534

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290534		bilgetux38	Art Exhibition (JOI18_art)	C++20	50 / 100	1095 ms	12092 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'

int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    int n,  mxx = 0;
    //int l = 0, r = 0;
    cin>>n;
    vector<pair<int,int>> vec(n);
    vector<int> pfx(n+1,0);
    for (int i = 0; i < n; ++i)
    {
        cin>>vec[i].first>>vec[i].second;
    }
    sort(vec.begin(),vec.end());
    pfx[0] = vec[0].second;
    for (int i = 1; i < n; ++i)
    {
        pfx[i] = pfx[i-1] + vec[i].second;
    }
    mxx = pfx[0];
    for (int r = 1; r < n; ++r)
    {
        mxx = max(mxx, pfx[r] - (vec[r].first -vec[0].first));
    }
    
    for (int l = 1; l < n; ++l)
    {
        for (int r = l; r < n; ++r)
        {
            mxx = max(mxx, pfx[r] - pfx[l-1] - (vec[r].first -vec[l].first));
        } 
    }
    cout<<mxx<<endl;
    return 0;

}

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