이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n,k,cnt=0;
cin>>n>>k;
int a[n];
for(int i=0;i<n;i++)cin>>a[i];
sort(a,a+n);
reverse(a+n-k,a+n);
for(int i=n-1;i>=0;i--){
if(a[i]>cnt)cnt++;
}
if(cnt==k){
for(int i=0;i<n;i++)cout<<a[i]<<" ";
}else cout<<-1;
return 0;
}
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