gpt4_solution.py

import json
import time

# START - CODE GENERATED BY gpt4
def solution():
    def recurring_cycle_length(d):
        remainders = {}
        value = 1
        position = 0

        while value != 0:
            if value in remainders:
                return position - remainders[value]
            remainders[value] = position
            value *= 10
            value %= d
            position += 1

        return 0

    max_length = 0
    result = 0

    for d in range(2, 1000):
        cycle_length = recurring_cycle_length(d)
        if cycle_length > max_length:
            max_length = cycle_length
            result = d

    return result
# END - CODE GENERATED BY gpt4

cpu_s, wall_s = time.process_time(), time.time()
result = solution()
cpu_e, wall_e = time.process_time(), time.time()

cpu_time, wall_time = cpu_e - cpu_s, wall_e - wall_s
print(json.dumps({"solution": result, "cpu": cpu_time, "wall": wall_time}))