leetcode

Solution to some Leetcode problems written in C++

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

0137.cpp (263B)

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