leetcode

Solution to some Leetcode problems written in C++

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

0137.cpp (263B)

1 class Solution { 2 public: 3 int singleNumber(const vector<int> &nums) { 4 int mask1 = 0, mask2 = 0; 5 for (int n : nums) { 6 mask1 = (mask1 ^ n) & ~mask2; 7 mask2 = (mask2 ^ n) & ~mask1; 8 } 9 return mask1; 10 } 11 };