Buggy python submission (verdict: Runtime Error):
N = int(input())
A = [int(x) for x in input().split()]

# Common divisor
def gcd(x, y):
    if y == 0:
        return x
    else:
        return gcd(y, x % y)


def gcd_wrapper(x, y):
    if x >= y:
        return gcd(x, y)
    else:
        return gcd(y, x)

if N == 2:
    print(max(A))
    exit()
if N == 3:
    x1 = gcd_wrapper(A[0], A[1])
    x2 = gcd_wrapper(A[1], A[2])
    x3 = gcd_wrapper(A[0], A[2])
    print(max([x1, x2, x3]))
    exit()

init_results = []
for k, g in enumerate(A[0:3]):
    for h in A[k+1:4]:
        init_results.append(gcd_wrapper(g, h))
if max(init_results) == 1:
    print(1)
    exit()
stop_flag = 0
x = max(init_results)
final_result = set()
final_result.add(x)
for i in A:
    tmp = gcd_wrapper(x, i)
    if tmp == 1:
        stop_flag += 1
    else:
        x = tmp
        final_result.add(tmp)
if stop_flag >= 2:
    print(1)
else:
    sorted_final_result = sorted(list(final_result))
    divable = []
    for j in A:
        if j % sorted_final_result[1] != 0:
            divable.append(1)
    if sum(divable) > 1:
        print(sorted_final_result[0])
    else:
        print(sorted_final_result[1])



Fixed submission:
N = int(input())
A = [int(x) for x in input().split()]

# Common divisor
def gcd(x, y):
    if y == 0:
        return x
    else:
        return gcd(y, x % y)


def gcd_wrapper(x, y):
    if x >= y:
        return gcd(x, y)
    else:
        return gcd(y, x)

if N == 2:
    print(max(A))
    exit()
if N == 3:
    x1 = gcd_wrapper(A[0], A[1])
    x2 = gcd_wrapper(A[1], A[2])
    x3 = gcd_wrapper(A[0], A[2])
    print(max([x1, x2, x3]))
    exit()
A = sorted(A)
A.reverse()
init_results = []
for k, g in enumerate(A[0:3]):
    for h in A[k+1:4]:
        init_results.append(gcd_wrapper(g, h))
if max(init_results) == 1:
    print(1)
    exit()
stop_flag = 0
x = max(init_results)
final_result = set()
final_result.add(x)
for i in A:
    tmp = gcd_wrapper(x, i)
    if tmp == 1:
        stop_flag += 1
    else:
        x = tmp
        final_result.add(tmp)
if stop_flag >= 2:
    print(1)
else:
    sorted_final_result = sorted(list(final_result))
    if len(sorted_final_result) == 1:
        print(sorted_final_result[0])
        exit()
    divable = []
    for j in A:
        if j % sorted_final_result[1] != 0:
            divable.append(1)
    if sum(divable) > 1:
        print(sorted_final_result[0])
    else:
        print(sorted_final_result[1])

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = [int(x) for x in input().split()]

# Common divisor
def gcd(x, y):
    if y == 0:
        return x
    else:
        return gcd(y, x % y)


def gcd_wrapper(x, y):
    if x >= y:
        return gcd(x, y)
    else:
        return gcd(y, x)

if N == 2:
    print(max(A))
    exit()
if N == 3:
    x1 = gcd_wrapper(A[0], A[1])
    x2 = gcd_wrapper(A[1], A[2])
    x3 = gcd_wrapper(A[0], A[2])
    print(max([x1, x2, x3]))
    exit()

init_results = []
for k, g in enumerate(A[0:3]):
    for h in A[k+1:4]:
        init_results.append(gcd_wrapper(g, h))
if max(init_results) == 1:
    print(1)
    exit()
stop_flag = 0
x = max(init_results)
final_result = set()
final_result.add(x)
for i in A:
    tmp = gcd_wrapper(x, i)
    if tmp == 1:
        stop_flag += 1
    else:
        x = tmp
        final_result.add(tmp)
if stop_flag >= 2:
    print(1)
else:
    sorted_final_result = sorted(list(final_result))
    divable = []
    for j in A:
        if j % sorted_final_result[1] != 0:
            divable.append(1)
    if sum(divable) > 1:
        print(sorted_final_result[1])
    else:
        print(sorted_final_result[0])


Fixed submission:
N = int(input())
A = [int(x) for x in input().split()]

# Common divisor
def gcd(x, y):
    if y == 0:
        return x
    else:
        return gcd(y, x % y)


def gcd_wrapper(x, y):
    if x >= y:
        return gcd(x, y)
    else:
        return gcd(y, x)

if N == 2:
    print(max(A))
    exit()
if N == 3:
    x1 = gcd_wrapper(A[0], A[1])
    x2 = gcd_wrapper(A[1], A[2])
    x3 = gcd_wrapper(A[0], A[2])
    print(max([x1, x2, x3]))
    exit()
A = sorted(A)
A.reverse()
init_results = []
for k, g in enumerate(A[0:3]):
    for h in A[k+1:4]:
        init_results.append(gcd_wrapper(g, h))
if max(init_results) == 1:
    print(1)
    exit()
stop_flag = 0
x = max(init_results)
final_result = set()
final_result.add(x)
for i in A:
    tmp = gcd_wrapper(x, i)
    if tmp == 1:
        stop_flag += 1
    else:
        x = tmp
        final_result.add(tmp)
if stop_flag >= 2:
    print(1)
else:
    sorted_final_result = sorted(list(final_result))
    if len(sorted_final_result) == 1:
        print(sorted_final_result[0])
        exit()
    divable = []
    for j in A:
        if j % sorted_final_result[1] != 0:
            divable.append(1)
    if sum(divable) > 1:
        print(sorted_final_result[0])
    else:
        print(sorted_final_result[1])

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = [int(x) for x in input().split()]

# Common divisor
def gcd(x, y):
    if y == 0:
        return x
    else:
        return gcd(y, x % y)


def gcd_wrapper(x, y):
    if x >= y:
        return gcd(x, y)
    else:
        return gcd(y, x)

if N == 2:
    print(max(A))
    exit()
if N == 3:
    x1 = gcd_wrapper(A[0], A[1])
    x2 = gcd_wrapper(A[1], A[2])
    x3 = gcd_wrapper(A[0], A[2])
    print(max([x1, x2, x3]))
    exit()

init_results = []
for k, g in enumerate(A[0:3]):
    for h in A[k+1:4]:
        init_results.append(gcd_wrapper(g, h))
if max(init_results) == 1:
    print(1)
    exit()
stop_flag = 0
x = max(init_results)
final_result = set()
final_result.add(x)
for i in A:
    tmp = gcd_wrapper(x, i)
    if tmp == 1:
        stop_flag += 1
    else:
        x = tmp
        final_result.add(tmp)
if stop_flag >= 2:
    print(1)
else:
    sorted_final_result = sorted(list(final_result))
    divable = []
    for j in A:
        if j % sorted_final_result[1] != 0:
            divable.append(1)
    if sum(divable) == 1:
        print(sorted_final_result[1])
    else:
        print(sorted_final_result[0])



Fixed submission:
N = int(input())
A = [int(x) for x in input().split()]

# Common divisor
def gcd(x, y):
    if y == 0:
        return x
    else:
        return gcd(y, x % y)


def gcd_wrapper(x, y):
    if x >= y:
        return gcd(x, y)
    else:
        return gcd(y, x)

if N == 2:
    print(max(A))
    exit()
if N == 3:
    x1 = gcd_wrapper(A[0], A[1])
    x2 = gcd_wrapper(A[1], A[2])
    x3 = gcd_wrapper(A[0], A[2])
    print(max([x1, x2, x3]))
    exit()
A = sorted(A)
A.reverse()
init_results = []
for k, g in enumerate(A[0:3]):
    for h in A[k+1:4]:
        init_results.append(gcd_wrapper(g, h))
if max(init_results) == 1:
    print(1)
    exit()
stop_flag = 0
x = max(init_results)
final_result = set()
final_result.add(x)
for i in A:
    tmp = gcd_wrapper(x, i)
    if tmp == 1:
        stop_flag += 1
    else:
        x = tmp
        final_result.add(tmp)
if stop_flag >= 2:
    print(1)
else:
    sorted_final_result = sorted(list(final_result))
    if len(sorted_final_result) == 1:
        print(sorted_final_result[0])
        exit()
    divable = []
    for j in A:
        if j % sorted_final_result[1] != 0:
            divable.append(1)
    if sum(divable) > 1:
        print(sorted_final_result[0])
    else:
        print(sorted_final_result[1])

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = [int(x) for x in input().split()]

# Common divisor
def gcd(x, y):
    if y == 0:
        return x
    else:
        return gcd(y, x % y)


def gcd_wrapper(x, y):
    if x >= y:
        return gcd(x, y)
    else:
        return gcd(y, x)

if N == 2:
    print(max(A))
    exit()
if N == 3:
    x1 = gcd_wrapper(A[0], A[1])
    x2 = gcd_wrapper(A[1], A[2])
    x3 = gcd_wrapper(A[0], A[2])
    print(max([x1, x2, x3]))
    exit()

init_results = []
for g in A[0:4]:
    for h in A[g:4]:
        init_results.append(gcd_wrapper(g, h))
if max(init_results) == 1:
    print(1)
    exit()
stop_flag = 0
x = max(init_results)
for i in A:
    tmp = gcd_wrapper(x, i)
    if tmp == 1:
        stop_flag =+ 1
    else:
        x = tmp
if stop_flag >= 2:
    print(1)
else:
    print(x)


Fixed submission:
N = int(input())
A = [int(x) for x in input().split()]

# Common divisor
def gcd(x, y):
    if y == 0:
        return x
    else:
        return gcd(y, x % y)


def gcd_wrapper(x, y):
    if x >= y:
        return gcd(x, y)
    else:
        return gcd(y, x)

if N == 2:
    print(max(A))
    exit()
if N == 3:
    x1 = gcd_wrapper(A[0], A[1])
    x2 = gcd_wrapper(A[1], A[2])
    x3 = gcd_wrapper(A[0], A[2])
    print(max([x1, x2, x3]))
    exit()
A = sorted(A)
A.reverse()
init_results = []
for k, g in enumerate(A[0:3]):
    for h in A[k+1:4]:
        init_results.append(gcd_wrapper(g, h))
if max(init_results) == 1:
    print(1)
    exit()
stop_flag = 0
x = max(init_results)
final_result = set()
final_result.add(x)
for i in A:
    tmp = gcd_wrapper(x, i)
    if tmp == 1:
        stop_flag += 1
    else:
        x = tmp
        final_result.add(tmp)
if stop_flag >= 2:
    print(1)
else:
    sorted_final_result = sorted(list(final_result))
    if len(sorted_final_result) == 1:
        print(sorted_final_result[0])
        exit()
    divable = []
    for j in A:
        if j % sorted_final_result[1] != 0:
            divable.append(1)
    if sum(divable) > 1:
        print(sorted_final_result[0])
    else:
        print(sorted_final_result[1])