Python/graphs/array_to_graph.py
2025-01-17 15:32:58 +07:00

34 lines
972 B
Python

"""
Reference: https://gist.github.com/harigro/28df9ec639f74f217473f85065acf9d8
"""
def divide_array_to_graph(arr: list[int], base: int) -> dict[int, list[int]]:
"""
>>> divide_array_to_graph(arr=[1, 2, 3, 4, 5, 6, 7, 8], base=2)
{0: [1, 2], 1: [3, 4], 2: [5, 6], 3: [7, 8]}
>>> divide_array_to_graph(arr=[1, 2, 3, 4, 5, 6, 7, 8], base=3)
{0: [1, 2, 3, 4], 1: [5, 6, 7, 8]}
"""
length = len(arr)
parts = len(arr) // base # Desired number of parts
part_size = length // parts # Size of each part
# Divide the array into smaller parts
result = [arr[i * part_size : (i + 1) * part_size] for i in range(parts)]
# Insert the result into a dictionary with keys from 0 to 3
result_dict = {i: result[i] for i in range(parts)}
return result_dict
if __name__ == "__main__":
# Example usage
array = [1, 2, 3, 4, 5, 6, 7, 8]
print(divide_array_to_graph(array, 2))
import doctest
doctest.testmod()