#include<cstdio>

#include<cstring>

#include<iostream>

#include<algorithm>

#define MAXN 5010

using namespace std;

int v[MAXN];

int n,m,l,r,mid;

bool judge(){

    int sum=;

    for(int i=;i<=n;i++)    sum+=v[i]/mid;

    if(sum>=m)    return true;

    else return false;

}

int main(){

    scanf("%d%d",&n,&m);

    for(int i=;i<=n;i++)

        scanf("%d",&v[i]),r=max(r,v[i]);

    l=;

    while(l<=r){

        mid=(l+r)/;

        if(judge())    l=mid+;

        else r=mid-;

    }

    cout<<l-;

}