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

11 votes269 views2 answers
Select rows with multiple conditions pandas query
Python
0 vote253 views1 answer
Manytomany django add bulk create
Python
0 vote286 views1 answer
Gnome-terminal stopped executing after python 3.6 is installed
Python
6 votes277 views1 answer
How to get just the filename in python
Python
92 votes275 views6 answers
Turn python script into exe
Python
1 vote316 views1 answer
Hex to binary python3
Python
1 vote264 views1 answer
Discord.py commands not working
Python
0 vote281 views7 answers
Convert c to python online
Python
1 vote593 views1 answer
Python Split a file path into root and extension
Python
4 votes279 views3 answers
Python list pop vs remove
Python