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
#include <bits/stdc++.h>

using namespace std;
int n, k, a, mini, val;
int tab[3000];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    mini = 10000;
    cin >> n >> k;
    tab[1] = 0;
    for(int i = 1; i <= n; ++ i){
        tab[i + 1] = 0;
        for(int j = 1; j <= i; ++ j){
            val = tab[j] + j;
            tab[j] = tab[j] + j;
            cin >> a;
            if(val <= k && a < mini)
                mini = a;
        }
    }
    cout << mini;
    return 0;
}