【Educational Codeforces Round 36 A】 Garden

#include <bits/stdc++.h>
using namespace std;

int n,k,x;

int main(){
    #ifdef LOCAL_DEFINE
        freopen("rush_in.txt", "r", stdin);
    #endif
    ios::sync_with_stdio(0),cin.tie(0);
    cin >> n >> k;
    int ma = -1;
    for (int i = 1;i <= n;i++){
        cin >> x;
        if (x<=k && k%x==0){
            if (ma==-1)
                ma = k/x;
            else
                ma = min(ma,k/x);
        }
    }
    cout <<ma<<endl;
    return 0;
}