Don't Get Volunteered!

import math

def pos_to_coords(pos):
    """
    Converts a position [0..63] into a pair of coord (x, y)
    """
    x = int(math.floor(pos/8))
    y = int(pos%8)
    return (x, y)


def coords_to_pos(x, y):
    """
    Converts a pair of coord (x, y) into a position [0..63]
    """
    return x + y * 8


def get_possible_moves(x, y):
    """
    Returns a list of valid coordinates for next move
    """
    all_moves = []
    all_moves.append((x+2, y+1))
    all_moves.append((x+2, y-1))
    all_moves.append((x-2, y+1))
    all_moves.append((x-2, y-1))
    all_moves.append((x+1, y+2))
    all_moves.append((x+1, y-2))
    all_moves.append((x-1, y+2))
    all_moves.append((x-1, y-2))

    valid_moves = []
    for (x, y) in all_moves:
        if(x >= 0 and x < 8 and y >= 0  and y < 8):
            valid_moves.append((x, y))

    return valid_moves


def solution(src, dest):
    if src == dest:
        return 0

    # Get the current and target tile
    src_x, src_y = pos_to_coords(src)
    dst_x, dst_y = pos_to_coords(dest)
    
    # Create a queue with all the positions I need to check
    queue = get_possible_moves(src_x, src_y)
    depth_queue = []

    # the depth, or solution
    depth = 0 

    while True:
        depth += 1

        # We check each move available at this depth
        for move in queue:
            # Let's see if we arrived to destination
            if move[0] == dst_x and move[1] == dst_y:
                return depth

            # we build the next depth queue, which will replace the queue after we tested them all
            # this is necessary to test one level at a time
            depth_queue.extend(get_possible_moves(move[0], move[1]))

        queue = depth_queue
        depth_queue = []

Source: livecodestream.dev

Similar codes

4 votes179 views1 answer
F-string ponto decimal python
Python
20 votes167 views4 answers
How to make computer go in sleep mode using pythn
Python
0 vote168 views1 answer
How to Create new dataframe columns from existing column
Python
1 vote173 views1 answer
Seaborn rotate xlabels
Python
0 vote180 views1 answer
Plotting keras model trainning history
Python
3 votes173 views4 answers
Tkinter maximize window
Python
2 votes206 views1 answer
Matplotlib savefig not working
Python
1 vote171 views1 answer
How to take list of float as input in python
Python
0 vote172 views1 answer
Django loginview?
Python
3 votes183 views3 answers
Matplotlib transparency
Python