Buggy python submission (verdict: Time Limit Exceeded):
import fractions as f
N = int(input())
A = [int(j) for j in input().split()]
gcdmx = 0
for j in range(0,N):
    gcdloc = 0
    C = A[:]
    del(C[j])
    for k in range(0,N-1):
        gcdloc = f.gcd(gcdloc,C[k])
    gcdmx = max(gcdloc,gcdmx)
print(gcdmx)

Fixed submission:
import fractions as f

n = int(input())
A = [int(_) for _ in input().split()]

left = []
right = []

left.append(A[0])
for i in range(1,n):
    left.append(f.gcd(left[i-1],A[i]))

right.append(A[n-1])
for i in range(1,n):
    right.append(f.gcd(right[i-1],A[n-1-i]))

ans = 0
for i in range(n):
    if i == 0:
        ans = right[n-2]
    if i >= 1 and i <= n-2:
        ans = max(ans,f.gcd(left[i-1],right[n-2-i]))
    if i == n-1:
        ans = max(ans,left[n-2])
print(ans)

Buggy python submission (verdict: Runtime Error):
import math
N = int(input())
A = [int(j) for j in input().split()]
gcdmx = 0
for j in range(0,N):
    gcdloc = 0
    C = A[:]
    del C[j]
    for k in range(0,N-1):
        gcdloc = math.gcd(gcdloc,C[k])
    gcdmx = max(gcdloc,gcdmx)
print(gcdmx)

Fixed submission:
import fractions as f

n = int(input())
A = [int(_) for _ in input().split()]

left = []
right = []

left.append(A[0])
for i in range(1,n):
    left.append(f.gcd(left[i-1],A[i]))

right.append(A[n-1])
for i in range(1,n):
    right.append(f.gcd(right[i-1],A[n-1-i]))

ans = 0
for i in range(n):
    if i == 0:
        ans = right[n-2]
    if i >= 1 and i <= n-2:
        ans = max(ans,f.gcd(left[i-1],right[n-2-i]))
    if i == n-1:
        ans = max(ans,left[n-2])
print(ans)

Buggy python submission (verdict: Runtime Error):
import math
N = int(input())
A = [int(j) for j in input().split()]
B = [0]*N
B = A[:]
gcdmx = 0
for j in range(0,N):
    gcdloc = 0
    C = B[:]
    del C[j]
    for k in range(0,N-1):
        gcdloc = math.gcd(gcdloc,C[k])
    gcdmx = max(gcdloc,gcdmx)
print(gcdmx)

Fixed submission:
import fractions as f

n = int(input())
A = [int(_) for _ in input().split()]

left = []
right = []

left.append(A[0])
for i in range(1,n):
    left.append(f.gcd(left[i-1],A[i]))

right.append(A[n-1])
for i in range(1,n):
    right.append(f.gcd(right[i-1],A[n-1-i]))

ans = 0
for i in range(n):
    if i == 0:
        ans = right[n-2]
    if i >= 1 and i <= n-2:
        ans = max(ans,f.gcd(left[i-1],right[n-2-i]))
    if i == n-1:
        ans = max(ans,left[n-2])
print(ans)

Buggy python submission (verdict: Runtime Error):
import math
N = int(input())
A = [int(j) for j in input().split()]
B = [0]*N
B = A[:]
gcdmx = 0
D = 1
for j in range(0,N):
    D = D * B[j]
for j in range(0,N):
    gcdloc = D
    C = B[:]
    del C[j]
    for k in range(0,N-1):
        gcdloc = math.gcd(gcdloc,C[k])
    gcdmx = max(gcdloc,gcdmx)
print(gcdmx)

Fixed submission:
import fractions as f

n = int(input())
A = [int(_) for _ in input().split()]

left = []
right = []

left.append(A[0])
for i in range(1,n):
    left.append(f.gcd(left[i-1],A[i]))

right.append(A[n-1])
for i in range(1,n):
    right.append(f.gcd(right[i-1],A[n-1-i]))

ans = 0
for i in range(n):
    if i == 0:
        ans = right[n-2]
    if i >= 1 and i <= n-2:
        ans = max(ans,f.gcd(left[i-1],right[n-2-i]))
    if i == n-1:
        ans = max(ans,left[n-2])
print(ans)

Buggy python submission (verdict: Runtime Error):
import math
N = int(input())
A = [int(j) for j in input().split()]
B = [0]*N
B = A[:]
D = 1
gcdmx = 0
for k in range(0,N):
        D = D * B[k]
for j in range(0,N):
    C = B[:]
    C[j] = D
    gcdloc = D
    for k in range(0,N):
        gcdloc = math.gcd(gcdloc,C[k])
    gcdmx = max(gcdloc,gcdmx)
print(gcdmx)

Fixed submission:
import fractions as f

n = int(input())
A = [int(_) for _ in input().split()]

left = []
right = []

left.append(A[0])
for i in range(1,n):
    left.append(f.gcd(left[i-1],A[i]))

right.append(A[n-1])
for i in range(1,n):
    right.append(f.gcd(right[i-1],A[n-1-i]))

ans = 0
for i in range(n):
    if i == 0:
        ans = right[n-2]
    if i >= 1 and i <= n-2:
        ans = max(ans,f.gcd(left[i-1],right[n-2-i]))
    if i == n-1:
        ans = max(ans,left[n-2])
print(ans)