답안 #150168

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
150168 2019-09-01T07:50:17 Z 20190901(#3597, tongnamuu, jf297, upple1) 함수컵 박물관 (FXCUP4_museum) C++17
0 / 100
5 ms 384 KB
#include "museum.h"
#include <vector>
#include <set>

using namespace std;

using ll = long long;

int arr1[101];
int arr2[101];
int arr3[101];
ll fac[101];

ll CountSimilarPairs(vector<int> B, vector<int> T, vector<int> G)
{
	fac[0] = 1;
	for (int i = 1; i < 101; i++)
		fac[i] = fac[i - 1] * i;

	ll ans = 0;
	int n = (int)B.size();
	for (int i = 0; i < n; i++)
		arr1[B[i]]++;

	for (int i = 0; i < n; i++)
		arr2[T[i]]++;

	for (int i = 0; i < n; i++)
		arr3[G[i]]++;


	for (int i = 0; i < n; i++)
	{
		ans += arr1[B[i]] - 1;
		ans += arr2[T[i]] - 1;
		ans += arr3[G[i]] - 1;
	}


	set<pair<int, int>> s;
	for (int i = 0; i < n; i++)
		s.insert({ B[i], T[i] });
	ans -= n - (int)s.size();

	s.clear();
	for (int i = 0; i < n; i++)
		s.insert({ G[i], T[i] });
	ans -= n - (int)s.size();

	s.clear();
	for (int i = 0; i < n; i++)
		s.insert({ B[i], G[i] });
	ans -= n - (int)s.size();

	/*set<pair<int, pair<int, int>>> s2;
	for (int i = 0; i < n; i++)
		s2.insert({ B[i], { T[i], G[i]} });
	ans += fac[n - (int)s2.size() + 1] / 2;*/

	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -