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 vote366 views1 answer
Blender 2.8 python set active object
Python
0 vote411 views1 answer
Unicode error python
Python
-1 vote348 views2 answers
Django forms error customize
Python
1 vote359 views1 answer
Os.execl(sys.executable, sys.executable, *sys.argv)
Python
0 vote350 views1 answer
New print on the same line substitution python 3
Python
23 votes338 views3 answers
Install django rest framework
Python
1 vote385 views1 answer
Python split list into n sublists
Python
0 vote334 views1 answer
First_last6
Python
0 vote339 views1 answer
Mechanize python XE #27
Python
0 vote344 views1 answer
See python function details in vscode
Python