不可以自视很高，期望越大，压力越大，心态不就崩了吗，呵呵。
软件我最菜。

///***Created by Xiang wang *** ACMÈÙҫ֮·***
//#include <bits/stdc++.h>
#include<iostream>
#include<cstring>
#include<algorithm>
#include<cstdio>
#include<cstdlib>
#include<queue>
#include<cmath>
#include<cctype>
#include<stack>
#include<map>
#include<string>
#include<cstdlib>
#define ll long long
const int  INF = 0x3f3f3f3f;
const long long LIMIT = 4294967295LL;
const int maxn = 100 + 10;
using namespace std;
ll a[100010];
int main(){
    int n,m,i;
    ll minn;
    cin>>n>>m;
    for(i=0;i<n;i++)
        cin>>a[i];
        sort(a,a+n);
    while(m--)
    {
        ll sum=0;
        for(i=0;i<n;i++)
            {
                sum+=a[i];
                if(a[i]!=0)
                {cout<<a[i]<<' ';
                break;
                }
            }
           if(sum==0&&i==n)
            cout<<0<<' ';
                minn=a[i];
            for(i=0;i<n;i++)
                if(a[i]!=0)
                a[i]-=minn;
    }
    return 0;
}