#include "museum.h"
int ca[105], cb[105], cc[105], cab[105][105], cac[105][105], cbc[105][105], cabc[105][105][105];
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 += ca[B[i]] + cb[T[i]] + cc[G[i]] - cab[B[i]][T[i]] - cac[B[i]][G[i]] - cbc[T[i]][G[i]] + cabc[B[i]][T[i]][G[i]];
ca[B[i]]++;
cb[T[i]]++;
cc[G[i]]++;
cab[B[i]][T[i]]++;
cac[B[i]][G[i]]++;
cbc[T[i]][G[i]]++;
cabc[B[i]][T[i]][G[i]]++;
}
return ans;
}
