leetcode

Solution to some Leetcode problems written in C++

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

1346.cpp (324B)

0 class Solution { 1 public: 2 bool checkIfExist(vector<int> &arr) { 3 unordered_set<int> us; 4 for (int i : arr) 5 if ((i % 2 == 0 && us.find(i / 2) != us.end()) || us.find(i * 2) != us.end()) 6 return true; 7 else 8 us.insert(i); 9 10 return false; 11 } 12 };