Ion Flux Relabeling

def process_converter(max_idx, converter):
    prev_node = -1
    current_node = max_idx
    # The subtree is how many elements we have in total for a node
    subtree = max_idx

    if current_node == converter:
        return prev_node

    prev_node = current_node

    while subtree > 1:
        # As we go down through the tree, each level reduces the number by half, which is the same as shifting 1 bit
        subtree = subtree >> 1

        left = current_node - subtree - 1
        right = current_node - 1

        if converter == left or converter == right:
            return prev_node

        if converter < left:
            current_node = left
        elif converter > left:
            current_node = right

        prev_node = current_node

    return -1

def solution(h, q):
    max_idx = 2**h-1
    return [process_converter(max_idx, converter) for converter in q]

Source: livecodestream.dev

Similar codes

1 vote320 views1 answer
Django link home page
Python Django
-1 vote281 views1 answer
Sudo apt-get install python2-pip
Python
1 vote277 views1 answer
Create square matrix python
Python
0 vote272 views1 answer
Django orm group by month and year
Python Django
0 vote265 views1 answer
Float value in regression expression python
Python
0 vote294 views1 answer
Python pandas convert series to percent
Python
4 votes283 views1 answer
Django include
Python Django
3 votes289 views1 answer
Python split lines
Python
0 vote269 views1 answer
Max sum slice python 5 - autopilot
Python
8 votes267 views2 answers
Pandas return first row
Python