Submission #152893

#	Time	Username	Problem	Language	Result	Execution time	Memory
152893		2qbingxuan	FunctionCup Museum (FXCUP4_museum)	C++17	Compilation error	0 ms	0 KiB

museum

#include "museum.h"
#include <bits/stdc++.h>

using namespace std;
typedef int64_t ll;

int64_t CountSimilarPairs(vector<int> A,vector<int> B,vector<int> C) {
    map<int,int> a,b,c;
    map<pair<int,int>,int> ab,bc,ca;
    map<tuple<int,int,int>,int> abc;
    int n = A.size();
    ll res = 0;
    for(int i = 0; i < n; i++) res += a[A[i]]++;
    for(int i = 0; i < n; i++) res += b[B[i]]++;
    for(int i = 0; i < n; i++) res += c[C[i]]++;
    for(int i = 0; i < n; i++) res -= ab[make_pair(A[i],B[i])]++;
    for(int i = 0; i < n; i++) res -= bc[make_pair(B[i],C[i])]++;
    for(int i = 0; i < n; i++) res -= ca[make_pair(C[i],A[i])]++;
    for(int i = 0; i < n; i++) res += abc[make_tuple(A[i],B[i],C[i])]++;
    return res;
}

Compilation message (stderr)

museum.cpp: In function 'int64_t CountSimilarPairs(std::vector<int>, std::vector<int>, std::vector<int>)':
museum.cpp:7:9: error: ambiguating new declaration of 'int64_t CountSimilarPairs(std::vector<int>, std::vector<int>, std::vector<int>)'
 int64_t CountSimilarPairs(vector<int> A,vector<int> B,vector<int> C) {
         ^~~~~~~~~~~~~~~~~
In file included from museum.cpp:1:0:
museum.h:3:11: note: old declaration 'long long int CountSimilarPairs(std::vector<int>, std::vector<int>, std::vector<int>)'
 long long CountSimilarPairs(std::vector<int> B, std::vector<int> T, std::vector<int> G);
           ^~~~~~~~~~~~~~~~~