1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
#include<iostream>
using namespace std;

int main()
{
    int n,s,mimi=2020,wine;
    cin>>n>>s;

    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=i;j++)
        {
            cin>>wine;
            if(j*(i-j+1)<=s)
                mimi=min(mimi,wine);
        }
    }
    cout<<mimi;
}
/*
5 7
1999
2019 2010
850 1500 1600
900 900 710 900
1000 800 600 500 600
*/