#include <bits/stdc++.h>
using namespace std;
//14888 ㄱㄱ
int n,m;
int arr[10];
int num[10];
int is_used[10];
void NM(int now_n){
if(now_n==m) {
for(int i=0; i<m; i++) cout << arr[i];
return;
}
int tmp=0;
for(int i=0; i<n; i++) {
//사용 안됨 + 이전 단계 수열의 끝이랑 다름
if(!is_used[i] && tmp!=num[i]) {
is_used[i]=1;
arr[now_n]=num[i];
tmp=arr[now_n];
NM(now_n+1);
is_used[i]=0;
}
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m;
for(int i=0; i<n; i++) {
cin >> num[i];
}
//정렬
sort(num,num+n);
NM(0);
return 0;
}
To embed this project on your website, copy the following code and paste it into your website's HTML: