제출 #850160

#제출 시각아이디문제언어결과실행 시간메모리
850160angels함수컵 박물관 (FXCUP4_museum)C++17
100 / 100
48 ms11300 KiB
#include "museum.h" #include <bits/stdc++.h> typedef long long ll; using namespace std; long long CountSimilarPairs(std::vector<int> B, std::vector<int> T, std::vector<int> G) { int N = B.size(); int b[101]={}, t[101]={}, g[101]={}, bt[101][101]={}, bg[101][101]={}, tg[101][101]={}, btg[101][101][101]={}; long long result=0; for(int i=0; i<N; i++) { b[B[i]]++; t[T[i]]++; g[G[i]]++; bg[B[i]][G[i]]++; bt[B[i]][T[i]]++; tg[T[i]][G[i]]++; btg[B[i]][T[i]][G[i]]++; } for(int i=1; i<=100; i++) { result+=((b[i])*(b[i]-1ll))/2ll; result+=((t[i])*(t[i]-1ll))/2ll; result+=((g[i])*(g[i]-1ll))/2ll; } for(int i=1; i<=100; i++) { for(int j=1; j<=100; j++) { result-=((bt[i][j])*(bt[i][j]-1ll))/2ll; result-=((tg[i][j])*(tg[i][j]-1ll))/2ll; result-=((bg[i][j])*(bg[i][j]-1ll))/2ll; } } for(int i=1; i<=100; i++) { for(int j=1; j<=100; j++) { for(int k=1; k<=100; k++) result+=((btg[i][j][k])*(btg[i][j][k]-1ll))/2ll; } } return result; } //int main(){}
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