Submission #591968

#TimeUsernameProblemLanguageResultExecution timeMemory
591968Kacper_ZiemeckiCards (LMIO19_korteles)C++14
36 / 100
1095 ms14548 KiB
#include <bits/stdc++.h>
using namespace std;
#define endl "\n";

void solve(){
	int n, res = 0;
	string jeden, dwa;
	cin >> n;
	vector<string> lista(n, "");
	for(int i = 0; i < n; i++){
		cin >> jeden >> dwa;
		lista[i] += jeden + dwa;
		for(int j = i - 1; j >= 0; j--){
			if(lista[i][0] == lista[j][2] && lista[i][1] == lista[j][3]) res++;
			else if(lista[i][2] == lista[j][0] && lista[i][3] == lista[j][1]) res++;
			else if(lista[i][1] == lista[j][0] && lista[i][3] == lista[j][2]) res++;
			else if(lista[i][0] == lista[j][1] && lista[i][2] == lista[j][3]) res++;
		}
	}
	cout << res << endl;
}

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	//freopen("input.txt", "r", stdin);
	solve();
}
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