leetcode

Solution to some Leetcode problems written in C++

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

0089.cpp (246B)

1 class Solution { 2 public: 3 vector<int> grayCode(const int n) const { 4 const int k = 1 << n; 5 vector<int> res(k, 0); 6 for (int i = 0; i < k; i++) { 7 res[i] = i ^ (i >> 1); 8 } 9 return res; 10 } 11 };