Unordered_map of pair and int

struct HASH{
  size_t operator()(const pair<int,int>&x)const{
    return hash<long long>()(((long long)x.first)^(((long long)x.second)<<32));
  }
};
unordered_map<pair<int,int>,int,HASH>mp;
//In Function pass it as

int foo(unordered_map<pair<int,int>,int,HASH> &mp);

Source: codeforces.com

Similar codes

0 vote95 views1 answer
Txt to pdf CPP
C++
0 vote110 views1 answer
What is blob in computer vision
C++
2 votes99 views2 answers
Copy array c++
C++
0 vote142 views1 answer
How to analyse a poem
C++
0 vote89 views2 answers
Vector übergeben c++
C++
3 votes98 views3 answers
Find all occurrences of a substring in a string c++
C++
2 votes88 views2 answers
File open cpp
C++
0 vote90 views3 answers
Onoverlapbegin ue4 c++
C++
-1 vote91 views1 answer
C++ set console title
C++
0 vote146 views1 answer
C++ cout format specifier for correct number of decimal points
C++