Submission #1290552

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290552		bilgetux38	Art Exhibition (JOI18_art)	C++20	0 / 100	1 ms	572 KiB

art

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

int f(int l, int r, vector<pair<int,int>> &vec, vector<int> &pfx)
{
    return pfx[r] - pfx[l-1] - (vec[r].first -vec[l].first);
}

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

}

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