Submission #148564

#	Time	Username	Problem	Language	Result	Execution time	Memory
148564		ummm (#200)	FunctionCup Museum (FXCUP4_museum)	C++17	100 / 100	531 ms	18816 KiB

museum

#include "museum.h"
#include <bits/stdc++.h>

using namespace std;

long long CountSimilarPairs(vector<int> B, vector<int> T, vector<int> G) {
	int N = B.size();
	vector<vector<int> > v;
	v.push_back(B); v.push_back(T); v.push_back(G);
	long long ans = 0;
	for(int i = 0; i < 3; i++) {
		map<int, int> m;
		for(int j = 0; j < N; j++) {
			ans += m[v[i][j]];
			m[v[i][j]]++;
		}
	}
	for(int i = 0; i < 3; i++) {
		map<pair<int,int> , int> m;
		for(int j = 0; j < N; j++) {
			ans -= m[{v[(i+1)%3][j], v[(i+2)%3][j]}];
			m[{v[(i+1)%3][j], v[(i+2)%3][j]}]++;
		}
	}
	map<pair<pair<int,int>, int>, int> m;
	for(int i = 0; i < N; i++) {
		ans += m[{{v[0][i], v[1][i]}, v[2][i]}];
		m[{{v[0][i], v[1][i]}, v[2][i]}]++;
	}
	return ans;
}

• Subtask 1: 27 / 27
• Subtask 2: 73 / 73