Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
import numpy as np
N = int(input())
A = list(map(int,input().split()))

chofuku_dict = {}
chofuku = []

for a in A:
    if a not in chofuku_dict:
        chofuku_dict[a] = 1
    else:
        chofuku.append(a)
        
chofuku = set(chofuku)

A = list(set(A))
A.sort()

bl = np.array([0] + [1]*A[-1])

ans = 0
for a in A:
    if bl[a] == 0:
        continue
    if a in chofuku:
        continue
    bl[a] = 0
    ans += 1
    bl[2*a::a] = 0
print(ans)

Fixed submission:
x = list(map(int,input().split()))
print(x.index(0)+1)

Buggy python submission (verdict: Runtime Error):
import numpy as np
N = int(input())
A = list(map(int,input().split()))

chofuku_dict = {}
chofuku = []

for a in A:
    if a not in chofuku_dict:
        chofuku_dict[a] = 1
    else:
        chofuku.append(a)
        
chofuku = set(chofuku)

A = list(set(A))
A.sort()

bl = np.array([0] + [1]*A[-1])
ans = 0
for a in A:
    if a in chofuku:
        continue
    if bl[a] == 1:
        bl[a] = 0
        ans += 1
        bl[2*a::a] = 0
print(ans)

Fixed submission:
x = list(map(int,input().split()))
print(x.index(0)+1)
Buggy python submission (verdict: Runtime Error):
import numpy as np
N = int(input())
A = list(map(int,input().split()))

chofuku_dict = {}
chofuku = []

for a in A:
    if a not in chofuku_dict:
        chofuku_dict[a] = 1
    else:
        chofuku.append(a)
        
chofuku = set(chofuku)

A = list(set(A))
A.sort()

bl = np.array([0] + [1]*A[-1])
ans = 0
for a in A:
    if a in chofuku:
        continue
    if bl[a] == 1:
        bl[a] = 0
        ans += 1
        bl[2*a::a] = 0
print(ans)

Fixed submission:
import numpy as np
N = int(input())
A = list(map(int,input().split()))

chofuku_dict = {}
chofuku = []

for a in A:
    if a not in chofuku_dict:
        chofuku_dict[a] = 1
    else:
        chofuku.append(a)
        
chofuku = set(chofuku)

A = list(set(A))
A.sort()

bl = np.array([0] + [1]*A[-1])

ans = 0
for a in A:
    if bl[a] == 0:
        continue
    if a not in chofuku:
        ans += 1
    bl[2*a::a] = 0
print(ans)

Buggy python submission (verdict: Runtime Error):
import sys
input=sys.stdin.readline

def main():
    N = int(input())
    A = list(map(int,input().split()))
    A.sort()
    ans = 0
    #print(A)
    for i in range(N):
        flag = True
        now = A[i]
        for j in range(0,i):
            if now/A[j] == now//A[j]:
                flag = False
                break
        if i == 0:
            if now == A[1]:
                flag = False
        if flag:
           ans += 1
    print(ans)
if __name__ == '__main__':
    main()

Fixed submission:
import numpy as np
N = int(input())
A = list(map(int,input().split()))

chofuku_dict = {}
chofuku = []

for a in A:
    if a not in chofuku_dict:
        chofuku_dict[a] = 1
    else:
        chofuku.append(a)
        
chofuku = set(chofuku)

A = list(set(A))
A.sort()

bl = np.array([0] + [1]*A[-1])

ans = 0
for a in A:
    if bl[a] == 0:
        continue
    if a not in chofuku:
        ans += 1
    bl[2*a::a] = 0
print(ans)
Buggy python submission (verdict: Runtime Error):
#B
import numpy as np
import sys
n = int(input())
A = np.array(list(map(int,input().split())))
ans = 1
flag = True
for i in A:
    if flag:
        ans *= i
        if ans > 10**18:
            ans = -1
            flag = False
    else:
    if i == 0:
        ans = 0
print(ans)


Fixed submission:
import numpy as np
N = int(input())
A = list(map(int,input().split()))
A.sort()
ans = 1

for i in A:
    ans *= i
    if ans > 10**18:
        ans = -1
        print(ans)
        break
else:
    print(ans)

Buggy python submission (verdict: Runtime Error):
#B
import numpy as np
import sys
n = int(input())
A = np.array(list(map(int,input().split())))
ans = 1
flag = True
for i in A:
    if flag:
	    ans *= i
		if ans > 10**18:
    		ans = -1
            flag = False
	else:
		if i == 0:
          ans = 0
print(ans)


Fixed submission:
import numpy as np
N = int(input())
A = list(map(int,input().split()))
A.sort()
ans = 1

for i in A:
    ans *= i
    if ans > 10**18:
        ans = -1
        print(ans)
        break
else:
    print(ans)

Buggy python submission (verdict: Runtime Error):
#B
import numpy as np
import sys
n = int(input())
A = np.array(list(map(int,input().split())))
ans = 1.0e0
for i in A:
    ans *= i
if ans > 10**18:
    ans = -1
print(int(ans))

Fixed submission:
import numpy as np
N = int(input())
A = list(map(int,input().split()))
A.sort()
ans = 1

for i in A:
    ans *= i
    if ans > 10**18:
        ans = -1
        print(ans)
        break
else:
    print(ans)

Buggy python submission (verdict: Runtime Error):
#B
import numpy as np
n = int(input())
A = np.array(list(map(int,input().split())))
ans = 1
for i in A:
    ans *= i
if ans > 10**18:
    ans = -1
print(ans)

Fixed submission:
import numpy as np
N = int(input())
A = list(map(int,input().split()))
A.sort()
ans = 1

for i in A:
    ans *= i
    if ans > 10**18:
        ans = -1
        print(ans)
        break
else:
    print(ans)
Buggy python submission (verdict: Runtime Error):
#D
N, K = map(int,input().split())
A = list(map(int,input().split()))

now = 0
visited = [0]
visited_set = set([0])

for i in range(K):
    now = A[now] - 1
    if now in visited_set:
        roop_start = now
        break
    visited.append(now)
    visited_set.add(now)
    
ind = visited.index(roop_start)
roop = visited[ind:]

if len(roop) != 0:
    print(roop[(K-ind)%len(roop)]+1)
else:
    print(visited[K-1]+1)

Fixed submission:
S = input()
T = input()
if S == T[:len(S)]:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
#D
N, K = map(int,input().split())
A = list(map(int,input().split()))

now = 0
visited = [0]
visited_set = set([0])

for i in range(K):
    now = A[now] - 1
    if now in visited_set:
        roop_start = now
        break
    visited.append(now)
    visited_set.add(now)
    
ind = visited.index(roop_start)
roop = visited[ind:]

if len(roop) != 0:
    print(roop[(K-ind)%len(roop)]+1)
else:
    print(visited[K-1]+1)

Fixed submission:
#D
N, K = map(int,input().split())
A = list(map(int,input().split()))

now = 0
visited = [0]
visited_set = set([0])

for i in range(K):
    now = A[now] - 1
    if now in visited_set:
        break
    visited.append(now)
    visited_set.add(now)
if len(visited) == N:
    print(visited[K-1]+1)
else:    
    ind = visited.index(now)
    roop = visited[ind:]
    print(roop[(K-ind)%len(roop)]+1)

Buggy python submission (verdict: Runtime Error):
#D
N, K = map(int,input().split())
A = list(map(int,input().split()))

now = 0
visited = [0]
visited_set = set([0])

for i in range(K):
    now = A[now] - 1
    if now in visited_set:
        roop_start = now
        break
    visited.append(now)
    visited_set.add(now)
    
ind = visited.index(roop_start)
roop = visited[ind:]

if len(roop) != 0:
    print(roop[(K-ind)%len(roop)]+1)
else:
    print(visited[K]+1)

Fixed submission:
#D
N, K = map(int,input().split())
A = list(map(int,input().split()))

now = 0
visited = [0]
visited_set = set([0])

for i in range(K):
    now = A[now] - 1
    if now in visited_set:
        break
    visited.append(now)
    visited_set.add(now)
if len(visited) == N:
    print(visited[K-1]+1)
else:    
    ind = visited.index(now)
    roop = visited[ind:]
    print(roop[(K-ind)%len(roop)]+1)

Buggy python submission (verdict: Runtime Error):
#D
N, K = map(int,input().split())
A = list(map(int,input().split()))

now = 0
visited = [0]
visited_set = set([0])

for i in range(K):
    now = A[now] - 1
    if now in visited_set:
        roop_start = now
        break
    visited.append(now)
    visited_set.add(now)
    
ind = visited.index(roop_start)
roop = visited[ind:]

print(roop[(K-ind)%len(roop)]+1)

Fixed submission:
#D
N, K = map(int,input().split())
A = list(map(int,input().split()))

now = 0
visited = [0]
visited_set = set([0])

for i in range(K):
    now = A[now] - 1
    if now in visited_set:
        break
    visited.append(now)
    visited_set.add(now)
if len(visited) == N:
    print(visited[K-1]+1)
else:    
    ind = visited.index(now)
    roop = visited[ind:]
    print(roop[(K-ind)%len(roop)]+1)
Buggy python submission (verdict: Runtime Error):
N = int(input())
ans = {}
for i in range(N):
  t = input()
  if t not in ans:
    ans[t] = 1
print(len(ans.keys())

Fixed submission:
N = int(input())
ans = {}
for i in range(N):
  t = input()
  if t not in ans:
    ans[t] = 1
print(len(ans.keys()))
Buggy python submission (verdict: Time Limit Exceeded):
import itertools

S = input()[::-1]

m = [0]*len(S)
tmp = 1
for i in range(len(S)):
    m[i] = int(S[i])*tmp%2019
    tmp *= 10

cum = [0]+[0]*len(S)
for i in range(1,len(S)+1):
    cum[i] = (cum[i-1]+m[i-1])%2019

d = {}
ans = 0
for i in range(len(cum)):
    if cum[i] not in d:
        d[cum[i]] = 1
    else:
        ans += d[cum[i]]
        d[cum[i]] += 1
print(ans)

Fixed submission:
import itertools

S = input()[::-1]

m = [0]*len(S)
tmp = 1
for i in range(len(S)):
    m[i] = int(S[i])*tmp%2019
    tmp = tmp*10%2019

cum = [0]+[0]*len(S)
for i in range(1,len(S)+1):
    cum[i] = (cum[i-1]+m[i-1])%2019

d = {}
ans = 0
for i in range(len(cum)):
    if cum[i] not in d:
        d[cum[i]] = 1
    else:
        ans += d[cum[i]]
        d[cum[i]] += 1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque
N,X,Y = map(int,input().split())
edge = [[] for _ in range(N)]
for i in range(N):
    if i == 0:
        edge[i].append(i+1)
    elif i == N-1:
        edge[i].append(i-1)
    else:
        edge[i].append(i-1)
        edge[i].append(i+1)
edge[X-1].append(Y-1)
edge[Y-1].append(X-1)

ans = [0]*(N-1)

for i in range(N):
    visited = [0]*N
    dist = [0]*N
    q = deque([i])#i番目のノードを根とする探索
    visited[i] = 1
    while q:
        now = q.popleft()
        for connection in edge[now]:
            if visited[connection]:
                dist[connection] = min(dist[connection],dist[now]+1)
            else:
                visited[connection] = 1
                dist[connection] = dist[now] + 1
                q.append(connection)
    for d in dist:
        if d == 0:
            continue
        ans[d-1] += 1
ans = list(map(lambda x: x//2,ans))
print(*ans,sep="\n")

Fixed submission:
from collections import deque
import sys
input = sys.stdin.readline

def main():
    N,X,Y = map(int,input().split())
    edge = [[] for _ in range(N)]
    for i in range(N):
        if i == 0:
            edge[i].append(i+1)
        elif i == N-1:
            edge[i].append(i-1)
        else:
            edge[i].append(i-1)
            edge[i].append(i+1)
    edge[X-1].append(Y-1)
    edge[Y-1].append(X-1)
    
    ans = [0]*(N-1)
    
    for i in range(N):
        visited = [0]*N
        dist = [0]*N
        q = deque([i])#i番目のノードを根とする探索
        visited[i] = 1
        while q:
            now = q.popleft()
            for connection in edge[now]:
                if visited[connection]:
                    dist[connection] = min(dist[connection],dist[now]+1)
                else:
                    visited[connection] = 1
                    dist[connection] = dist[now] + 1
                    q.append(connection)
        for d in dist:
            if d == 0:
                continue
            ans[d-1] += 1
    ans = list(map(lambda x: x//2,ans))
    print(*ans,sep="\n")
if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
import bisect
import sys

input=sys.stdin.readline

def main(args):
    n, d, a = map(int,input().split())
    
    monster = [0]*n
    pos = [0]*n
    for i in range(n):
        x, h = map(int,input().split())
        monster[i] = (x, h)
        pos[i] = x
    
    pos.sort()
    monster.sort()
    
    #print(pos)
    
    limit = [0]*n
    #そのモンスターを攻撃したとき巻き添えにできるやつらの中で一番右のヤツのindex
    for i in range(n):
        limit[i] = bisect.bisect_right(pos, pos[i]+2*d)-1
    #print(limit)
    
    damage = [0]*n
    ans = 0
    for i in range(n):
        HP = monster[i][1]
        attack = -(-max(0, (HP-a*damage[i]))//a)
        if attack > 0:
            ans += attack
            damage[i:limit[i]+1] = list(map(lambda x:x+attack, damage[i:limit[i]+1]))
        #print(damage)
    
    print(ans)

if __name__ == '__main__':
    main(sys.argv[1:])

Fixed submission:
import bisect
import itertools
import sys

input=sys.stdin.readline

def main(args):
    n, d, a = map(int,input().split())
    
    monster = [0]*n
    pos = [0]*n
    for i in range(n):
        x, h = map(int,input().split())
        monster[i] = (x, -(-h//a))
        pos[i] = x
    
    pos.sort()
    monster.sort()
    
    limit = [0]*n
    #そのモンスターを攻撃したとき巻き添えにできるやつらの中で一番右のヤツのindex
    for i in range(n):
        limit[i] = bisect.bisect_right(pos, pos[i]+2*d)-1
    
    #print(limit)
    
    damage = [0]*(n+1)
    ans = 0
    for i in range(n):
        if damage[i] >= monster[i][1]:
            pass
        else:
            plus = monster[i][1] - damage[i]
            ans += plus
            damage[i] += plus
            damage[limit[i]+1] -= plus
        #print(damage)
        
        damage[i+1] += damage[i]
    
    print(ans)

if __name__ == '__main__':
    main(sys.argv[1:])
Buggy python submission (verdict: Runtime Error):
k,x = map(int,input().split())
if k*500 >= X:  
    print('Yes')
else:
    print('No')


Fixed submission:
k,x = map(int,input().split())
if k*500 >= x:  
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Runtime Error):
k,x = map(int,input().split())
if k*500 >= X:
  print('Yes')
else:
  print('No')

Fixed submission:
k,x = map(int,input().split())
if k*500 >= x:  
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
n = int(input())
if n%2:
    print(0)
else:
    ans = (n//5)//2
    tmp = 5
    while True:
        tmp *= 5
        if tmp > n:
            break
        ans += (n//tmp)//2
print(ans)

Fixed submission:
n = int(input())
if n%2:
    print(0)
else:
    #2と5があれば10ができる→5の方が少ない→素因数5の数を数える
    ans = (n//5)//2
    tmp = 5
    while True:
        tmp *= 5
        if tmp > n:
            break
        ans += (n//tmp)//2
    print(ans)
Buggy python submission (verdict: Runtime Error):
S = input()

ans = [0]*(len(S)+1)

for i in range(len(S)):
    if S[i] == "<":
        ans[i+1] = max(ans[i+1], ans[i]+1)
    
for i in range(len(S)):
    if S[-(i+1)] == ">":
        ans[-(i+2)] = max(ans[(i+2)], ans[-(i+1)]+1)
        
print(sum(ans))

Fixed submission:
S = input()

ans = [0]*(len(S)+1)

for i in range(len(S)):
    if S[i] == "<":
        ans[i+1] = max(ans[i+1], ans[i]+1)
    
for i in range(len(S)):
    i = len(S)-1 - i
    if S[i] == ">":
        ans[i] = max(ans[i],ans[i+1]+1)

print(sum(ans))
Buggy python submission (verdict: Runtime Error):
def make_divisors(n):
    from collections import deque
    divisors = deque([])
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)
    lst_divisors = list(divisors)
    lst_divisors.sort()
    return lst_divisors

a, b = map(int,input().split())

ya = set(make_divisors(a))
yb = set(make_divisors(b))

cand = list(ya&yb)
cand.sort()

#print(cand)

num = [0]*(cand[-1]+1)

ans = 0
for n in cand[1:]:
    if n > cand[-1]:
        break
    if num[n]:
        continue
    num[2*n::n] = list(map(lambda x:1,num[2*n::n]))
    ans += 1
    #print(n)

print(ans+1)#1の分

Fixed submission:
def make_divisors(n):
    from collections import deque
    divisors = deque([])
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)
    lst_divisors = list(divisors)
    lst_divisors.sort()
    return lst_divisors

a, b = map(int,input().split())

ya = set(make_divisors(a))
yb = set(make_divisors(b))

cand = list(ya&yb)
cand.sort()

#print(cand)

ans = []
if len(cand) > 1:
    for n in cand[1:]:
        if ans:
            for n in cand[1:]:
                for waru in ans:
                    if n%waru == 0:
                        break
                else:
                    ans.append(n)
        else:
            ans.append(n)
#print(ans)
print(len(ans)+1)

Buggy python submission (verdict: Runtime Error):
import numpy as np

def make_divisors(n):
    from collections import deque
    divisors = deque([])
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)
    lst_divisors = list(divisors)
    lst_divisors.sort()
    return lst_divisors

a, b = map(int,input().split())

ya = set(make_divisors(a))
yb = set(make_divisors(b))

cand = list(ya&yb)
cand.sort()

#print(cand)

num = np.array([0]*(cand[-1]+1))

ans = 0
for n in cand[1:]:
    if num[n]:
        continue
    #print(n)
    ans += 1
    num[2*n::n] = 1
#print(num)
print(ans+1)#1の分

Fixed submission:
def make_divisors(n):
    from collections import deque
    divisors = deque([])
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)
    lst_divisors = list(divisors)
    lst_divisors.sort()
    return lst_divisors

a, b = map(int,input().split())

ya = set(make_divisors(a))
yb = set(make_divisors(b))

cand = list(ya&yb)
cand.sort()

#print(cand)

ans = []
if len(cand) > 1:
    for n in cand[1:]:
        if ans:
            for n in cand[1:]:
                for waru in ans:
                    if n%waru == 0:
                        break
                else:
                    ans.append(n)
        else:
            ans.append(n)
#print(ans)
print(len(ans)+1)
Buggy python submission (verdict: Runtime Error):
print(a*int(input())**2)

Fixed submission:
a = int(input())
print(3*a**2)

Buggy python submission (verdict: Runtime Error):
import numpy as np

n = int(input())
A = np.array(list(map(int,input().split())))

balls = np.array([0]*(n+1))

for i in range(1,n+1):
    s = sum(balls[n+1-i::n+1-i])
    if s%2 != A[-i]:
        balls[-i] += 1

#print(balls)

ans = np.where(balls==1)[0].tolist()
if sum(balls):
    print(sum(balls))
    print(*ans)
else:
    print(0)

Fixed submission:
a = int(input())
print(3*a**2)
Buggy python submission (verdict: Runtime Error):
import numpy as np
H ,W = map(int,input().split())

maze = [[] for _ in range(H)]
for i in range(H):
    maze[i] = np.array(list(input())) == "."
maze = np.array(maze)

up = np.zeros((H, W), dtype=int)
down = np.zeros((H, W), dtype=int)
right = np.zeros((H, W), dtype=int)
left = np.zeros((H, W), dtype=int)

for i in range(H):
    up[i] = (up[i-1] + 1)*maze[i]
    down[-i] = (down[-(i-1)] + 1)*maze[-i] 
    
#print(up)
#print(down)

for i in range(W):
    right[:, i] = (right[:, i-1] + 1)*maze[:, i]
    left[:, -i] = (left[:, -(i-1)] + 1)*maze[:, -i]

print(np.max(up+down+right+left)-4)

Fixed submission:
import numpy as np
H ,W = map(int,input().split())

maze = [[] for _ in range(H)]
for i in range(H):
    maze[i] = np.array(list(input())) == "."
maze = np.array(maze)

up = np.zeros((H, W), dtype=int)
down = np.zeros((H, W), dtype=int)
right = np.zeros((H, W), dtype=int)
left = np.zeros((H, W), dtype=int)

for i in range(H):
    up[i] = (up[i-1] + 1)*maze[i]
    down[-(i+1)] = (down[-i] + 1)*maze[-(i+1)] 
    
#print(up)
#print(down)

for i in range(W):
    right[:, i] = (right[:, i-1] + 1)*maze[:, i]
    left[:, -(i+1)] = (left[:, -i] + 1)*maze[:, -(i+1)]

print(np.max(up+down+right+left)-3)
Buggy python submission (verdict: Runtime Error):
import collections

N, M = map(int,input().split())

A = list(map(int,input().split()))
A.sort()
op = [0]*M

for i in range(M):
    b,c = map(int,input().split())
    op[i] = (c, b)

op.sort(reverse=True)

now = 0
flag = False
for i in range(M):
    if flag:
        break
    val, maisu = op[i]
    if A[now] < val:
        for j in range(maisu):
            if now+j < N:
                if A[now+j] < val:
                    A[now+j] = val
                else:
                    flag = True
                    break
        now += maisu 
    else:
        break
    
print(sum(A))

Fixed submission:
import collections

N, M = map(int,input().split())

A = list(map(int,input().split()))
A.sort()
op = [0]*M

for i in range(M):
    b,c = map(int,input().split())
    op[i] = (c, b)

op.sort(reverse=True)

now = 0
flag = False
for i in range(M):
    if flag:
        break
    val, maisu = op[i]
    if now >= N:
        break
    if A[now] < val:
        for j in range(maisu):
            if now+j < N:
                if A[now+j] < val:
                    A[now+j] = val
                else:
                    flag = True
                    break
        now += maisu 
    else:
        break
    
print(sum(A))

Buggy python submission (verdict: Runtime Error):
import collections

N, M = map(int,input().split())

A = list(map(int,input().split()))
A.sort()
op = [0]*M

for i in range(M):
    b,c = map(int,input().split())
    op[i] = (c, b)

op.sort(reverse=True)

now = 0
flag = False
for i in range(M):
    if flag:
        break
    val, maisu = op[i]
    if A[now] < val:
        for j in range(maisu):
            if A[now+j] < val:
                A[now+j] = val
            else:
                flag = True
                break
        now += maisu 
    else:
        break
    
print(sum(A))

Fixed submission:
import collections

N, M = map(int,input().split())

A = list(map(int,input().split()))
A.sort()
op = [0]*M

for i in range(M):
    b,c = map(int,input().split())
    op[i] = (c, b)

op.sort(reverse=True)

now = 0
flag = False
for i in range(M):
    if flag:
        break
    val, maisu = op[i]
    if now >= N:
        break
    if A[now] < val:
        for j in range(maisu):
            if now+j < N:
                if A[now+j] < val:
                    A[now+j] = val
                else:
                    flag = True
                    break
        now += maisu 
    else:
        break
    
print(sum(A))
Buggy python submission (verdict: Time Limit Exceeded):
class SegmentTree:
    # 初期化処理
    # f : SegmentTreeにのせるモノイド
    # default : fに対する単位元
    def __init__(self, size, f=lambda x,y : x+y, default=0):
        self.size = 2**(size-1).bit_length() # 簡単のため要素数Nを2冪にする
        self.default = default
        self.dat = [default]*(self.size*2) # 要素を単位元で初期化
        self.f = f

    def update(self, i, x):
        i += self.size
        self.dat[i] = x
        while i > 0:
            i >>= 1
            self.dat[i] = self.f(self.dat[i*2], self.dat[i*2+1])

    def query(self, l, r):
        l += self.size
        r += self.size
        lres, rres = self.default, self.default
        while l < r:
            if l & 1:
                lres = self.f(lres, self.dat[l])
                l += 1

            if r & 1:
                r -= 1
                rres = self.f(self.dat[r], rres) # モノイドでは可換律は保証されていないので演算の方向に注意
            l >>= 1
            r >>= 1
        res = self.f(lres, rres)
        return res

import math

n = int(input())
seg = SegmentTree(n, math.gcd)

A = list(map(int,input().split()))
for i in range(n):
    seg.update(i, A[i])

ans = 1
for i in range(n):
    tmp = A[i]
    seg.update(i, A[i-1])
    ans = max(ans, seg.query(0,n))
    seg.update(i, tmp)
    
print(ans)

Fixed submission:
from math import gcd as gcd
import numpy as np
N = int(input())
A = list(map(int,input().split()))

A = [0] + A + [0]

fromleft = np.array([0]*N)
fromright = np.array([0]*N)

for i in range(1,N):
    fromleft[i] = gcd(A[i],fromleft[i-1])
    fromright[-(i+1)] = gcd(A[-(i+1)],fromright[-i])

#print(fromleft)
#print(fromright)

ansgcd = [0]*N

for i in range(N):
    ansgcd[i] = gcd(fromright[i], fromleft[i])

print(max(ansgcd))