leetcode

Solution to some Leetcode problems written in C++

git clone git://git.dimitrijedobrota.com/leetcode.git

1791.cpp (400B)

0 class Solution { 1 public: 2 int findCenter(vector<vector<int>> &edges) { 3 unordered_set<int> us; 4 5 for (auto &p : edges) { 6 if (us.count(p[0])) 7 return p[0]; 8 else 9 us.insert(p[0]); 10 if (us.count(p[1])) 11 return p[1]; 12 else 13 us.insert(p[1]); 14 } 15 return -1; 16 } 17 };