Track lowest continuous 1s 
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```csharp []
public class Solution {
    private int GetValue(int num)
    {
        int idx = 0;
        while((1<<idx & num) != 0)
        {
            idx++;
        }

        if(idx == 0) // even number?
            return -1;

        return num - (int)Math.Pow(2, idx-1); // *1111 -> *0111
    }
    
    public int[] MinBitwiseArray(IList<int> nums) {
        int len = nums.Count;
        List<int> res = new();
        foreach(int num in nums)
        {
            res.Add(GetValue(num));
        }

        return res.ToArray();
    }
}
```
['C#']