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

0 vote172 views1 answer
Get or create django
Python Django
0 vote136 views1 answer
Api csv python
Python
0 vote96 views1 answer
Django multiple search fields
Python
0 vote88 views1 answer
Sound in python
Python
0 vote133 views1 answer
Raspistill timelapse
Python
0 vote170 views2 answers
Icpc preliminary 2018 problem
Python
0 vote140 views1 answer
Gui def python
Python
1 vote129 views1 answer
How to minimize command console python
Python
0 vote131 views1 answer
How to use ggplot matplotlib
Python
0 vote135 views1 answer
Pyspark rdd sort by value descending
Python