Submission #148463

#	Time	Username	Problem	Language	Result	Execution time	Memory
148463		샌즈뼈 (#200)	FunctionCup Museum (FXCUP4_museum)	C++17	100 / 100	362 ms	17744 KiB

museum

#include "museum.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long

template<typename T>
ll f(vector<T> v) {
  map<T, int> s;
  for(auto x : v) s[x] += 1;

  ll r = 0;

  for(auto p : s) {
    ll t = p.second;
    r += (t * (t - 1)) / 2;
  }
  return r;
}

long long CountSimilarPairs(std::vector<int> B, std::vector<int> T, std::vector<int> G) {
	int N = B.size();

  ll r = 0;
  r += f(B);
  r += f(T);
  r += f(G);

  vector<int> BT, TG, BG, BTG;
  for(int i=0; i<N; i++) {
    BT.push_back(B[i]*1000 + T[i]);
    TG.push_back(T[i]*1000 + G[i]);
    BG.push_back(B[i]*1000 + G[i]);
    BTG.push_back(B[i]*1000000 + T[i]*1000 + G[i]);
  }

  r -= f(BT);
  r -= f(TG);
  r -= f(BG);
  r += f(BTG);

	return r;
}

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