1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
#include <iostream>
using namespace std;

int main() {
    int n, k, y, m = 2020;
    cin >> n;
    cin >> k;

    for (int w=0; w<n; w++) {
        for (int i=0; i<=w; i++) {
            cin >> y;
            if (m > y && (w-i+1) * (i+1) < k) {
                m = y;
            }
        }
    }
    cout << m << endl;
    return 0;
}