Submission #148684

#	Time	Username	Problem	Language	Result	Execution time	Memory
148684		Welcome to osu! (#200)	FunctionCup Museum (FXCUP4_museum)	C++17	100 / 100	96 ms	9324 KiB

museum

#include "museum.h"
int a[101],b[101],c[101],ab[101][101],bc[101][101],ac[101][101],abc[101][101][101];
long long CountSimilarPairs(std::vector<int> B, std::vector<int> T, std::vector<int> G) {
	int N = B.size();
    long long ans=0;
	for(int i=0; i<N; i++){
        ans += a[B[i]]+b[T[i]]+c[G[i]]-ab[B[i]][T[i]]-bc[T[i]][G[i]]-ac[B[i]][G[i]]+abc[B[i]][T[i]][G[i]];
        a[B[i]]++;
        b[T[i]]++;
        c[G[i]]++;
        ab[B[i]][T[i]]++;
        bc[T[i]][G[i]]++;
        ac[B[i]][G[i]]++;
        abc[B[i]][T[i]][G[i]]++;
	}
	return ans;
}

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