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 28 29 30 31 32 33 34 35 36 37 38 | #include <bits/stdc++.h>
using namespace std;
int main()
{
int n, k;
int mn = 2020;
scanf("%d%d", &n, &k);
int ile = 1;
int x;
//int p;
for(int i = 1; i <= n; ++i){
for(int j= 1; j < i+1; ++j){
ile = 1;
scanf("%d", &x);
// cout<<i<<" "<<j<<endl;
if(i > k)
continue;
else{
if(j % 2 == 0)
ile = (i + i - ( (j-1) * 2) ) * (j/2);
else
ile = ( (i + i - ( (j-1) * 2) ) /2) * j;
}
//cout<<"ile ="<<ile<<endl;
if(ile <= k){
if(mn > x)
mn = x;
}
}
}
printf("%d", mn);
return 0;
}
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