| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1331758 | ahmetlbktd4 | Anagramistica (COCI21_anagramistica) | C++20 | 1096 ms | 344 KiB |
#include "bits/stdc++.h"
using namespace std;
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n,k;
cin >> n >> k;
string a[n];
for (int i = 0;i < n;i++){
cin >> a[i];
sort(a[i].begin(),a[i].end());
}
int p = 0;
for (int mask = 0;mask < (1 << n);mask++){
vector <string> v;
for (int i = 0;i < n;i++){
if (mask>>i&1)
v.push_back(a[i]);
}
if (v.size() < k)
continue;
int l = 0;
for (int i = 0;i < v.size()-1;i++){
for (int j = i+1;j < v.size();j++){
if (v[i] == v[j])
l++;
}
}
if (l == k)
p++;
}
cout << p << "\n";
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