Buggy python submission (verdict: Runtime Error):
from math import gcd


def main():
    N = int(input())
    nums = list(map(int, input().split()))

    L = [0 for _ in range(N + 1)]
    R = [0 for _ in range(N + 1)]

    for i, num in enumerate(nums):
        L[i + 1] = gcd(L[i], num)

    for i in range(N - 2, -1, -1):
        R[i] = gcd(R[i + 1], nums[i + 1])

    print(max(gcd(L[i], R[i]) for i in range(N)))


if __name__ == '__main__':
    main()


Fixed submission:
#!/snap/bin/pypy3
def gcd(a, b):
    if b == 0:
        return a
    c = a % b
    return gcd(b, c)


def main():
    N = int(input())
    nums = list(map(int, input().split()))

    L = [0 for _ in range(N + 1)]
    R = [0 for _ in range(N + 1)]

    for i, num in enumerate(nums):
        L[i + 1] = gcd(L[i], num)

    for i in range(N - 2, -1, -1):
        R[i] = gcd(R[i + 1], nums[i + 1])

    print(max(gcd(L[i], R[i]) for i in range(N)))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
#!/usr/bin/python3

import numpy as np

N = int(input())
nums = np.array(list(map(int, input().split())))

sorted_num = np.sort((nums))

res = 1
for i in range(sorted_num[1], 0, -1):
    nums_div_i = np.remainder(nums, i)

    nums_div_i = nums_div_i > 0
    d = np.sum(np.ones(N) * nums_div_i)
    if d == 1 or d == 0:
        res = i
        break

print(res)


Fixed submission:
#!/snap/bin/pypy3
def gcd(a, b):
    if b == 0:
        return a
    c = a % b
    return gcd(b, c)


def main():
    N = int(input())
    nums = list(map(int, input().split()))

    L = [0 for _ in range(N + 1)]
    R = [0 for _ in range(N + 1)]

    for i, num in enumerate(nums):
        L[i + 1] = gcd(L[i], num)

    for i in range(N - 2, -1, -1):
        R[i] = gcd(R[i + 1], nums[i + 1])

    print(max(gcd(L[i], R[i]) for i in range(N)))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
#!/usr/bin/python3

import numpy as np

N = int(input())
nums = np.array(list(map(int, input().split())))

sorted_num = np.sort((nums))

res = 1
for i in range(sorted_num[1], 0, -1):
    nums_div_i = np.remainder(nums, i)

    nums_div_i = nums_div_i > 0
    d = np.sum(np.ones(N) * nums_div_i)
    if d == 1 or d == 0:
        res = i
        break

print(res)


Fixed submission:
#!/snap/bin/pypy3
def gcd(a, b):
    if b == 0:
        return a
    c = a % b
    return gcd(b, c)


def main():
    N = int(input())
    nums = list(map(int, input().split()))

    L = [0 for _ in range(N + 1)]
    R = [0 for _ in range(N + 1)]

    for i, num in enumerate(nums):
        L[i + 1] = gcd(L[i], num)

    for i in range(N - 2, -1, -1):
        R[i] = gcd(R[i + 1], nums[i + 1])

    print(max(gcd(L[i], R[i]) for i in range(N)))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
nums = list(map(int, input().split()))

sorted_num = sorted(nums)

res = 1
for i in range(sorted_num[1], 0, -1):
    nums_div_i = [num % i for num in nums]

    _len = len(tuple(filter(lambda x: x > 0, nums_div_i)))
    if _len == 1 or not _len:
        res = i
        break

print(res)


Fixed submission:
#!/snap/bin/pypy3
def gcd(a, b):
    if b == 0:
        return a
    c = a % b
    return gcd(b, c)


def main():
    N = int(input())
    nums = list(map(int, input().split()))

    L = [0 for _ in range(N + 1)]
    R = [0 for _ in range(N + 1)]

    for i, num in enumerate(nums):
        L[i + 1] = gcd(L[i], num)

    for i in range(N - 2, -1, -1):
        R[i] = gcd(R[i + 1], nums[i + 1])

    print(max(gcd(L[i], R[i]) for i in range(N)))


if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
#!/snap/bin/pypy3

def main():
    N = int(input())
    nums = list(map(int, input().split()))
    sorted_num = sorted(nums)
    res = 1
    i = sorted_num[1]
    while True:
        nums_div_i = [num % i for num in nums]
        # print(i, nums_div_i)
        _len = len(tuple(filter(lambda x: x > 0, nums_div_i)))
        if _len == 1 or _len == 0:
            break

        i -= 1

    print(i)

if __name__ == '__main__':
    main()


Fixed submission:
#!/snap/bin/pypy3
def gcd(a, b):
    if b == 0:
        return a
    c = a % b
    return gcd(b, c)


def main():
    N = int(input())
    nums = list(map(int, input().split()))

    L = [0 for _ in range(N + 1)]
    R = [0 for _ in range(N + 1)]

    for i, num in enumerate(nums):
        L[i + 1] = gcd(L[i], num)

    for i in range(N - 2, -1, -1):
        R[i] = gcd(R[i + 1], nums[i + 1])

    print(max(gcd(L[i], R[i]) for i in range(N)))


if __name__ == '__main__':
    main()