C++ unordered_map using a custom class type as the key
I am trying to use a custom class as key for an unordered_map, like the following: #include <iostream> #include <algorithm> #include <unordered_map> using namespace std; class node; class Solution; class Node { public: int a; int b; int c; Node(){} Node(vector<int> v) { sort(v.begin(), v.end()); a = v[0]; b = v[1]; c = v[2]; } … Read more
