LeetCode-Gray Code
2013-08-15 19:44
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class Solution {
public:
vector<int> grayCode(int n) {
// Start typing your C/C++ solution below
// DO NOT write int main() function
int size = 1 << n;
vector<int> ans;
for (int i = 0; i < size; ++i)
{
int val = i ^ (i >> 1);
ans.push_back(val);
}
return ans;
}
};
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