1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | #include <iostream>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, k;
cin >> n >> k;
int min = 1000000;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= i; j++){
int year;
cin >> year;
int steps = j * (i - j + 1);
if(steps <= k && year < min)
min = year;
}
}
cout << min << "\n";
return 0;
}
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