Submission #764132

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
764132	2023-06-23 07:36:27	idkhandle	FunctionCup Museum (FXCUP4_museum)	C++17	100 / 100	217 ms	18052 KiB

museum

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#include "museum.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll CountSimilarPairs(vector<int> B, vector<int> T, vector<int> G) {
  int n = B.size();
  auto add1 = [](vector<int>& x) -> ll {
    map<int, int> one;
    for (int i = 0; i < x.size(); i++) {
      one[x[i]]++;
    }
    ll ret = 0;
    for (auto& [i, j] : one) {
      ret += (ll)j * (j - 1) / 2;
    }
    return ret;
  };
  auto add2 = [](vector<int>& x, vector<int>& y) -> ll {
    map<pair<int, int>, int> two;
    for (int i = 0; i < x.size(); i++) {
      two[pair<int, int>(x[i], y[i])]++;
    }
    ll ret = 0;
    for (auto& [i, j] : two) {
      ret += (ll)j * (j - 1) / 2;
    }
    return ret;
 
 
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Compilation message (stderr)

museum.cpp: In lambda function:
museum.cpp:12:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   for (int i = 0; i < x.size(); i++) {
      |                   ~~^~~~~~~~~~
museum.cpp: In lambda function:
museum.cpp:23:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for (int i = 0; i < x.size(); i++) {
      |                   ~~^~~~~~~~~~
museum.cpp: In lambda function:
museum.cpp:34:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |   for (int i = 0; i < x.size(); i++) {
      |                   ~~^~~~~~~~~~
museum.cpp: In function 'll CountSimilarPairs(std::vector<int>, std::vector<int>, std::vector<int>)':
museum.cpp:8:6: warning: unused variable 'n' [-Wunused-variable]
    8 |  int n = B.size();
      |      ^

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