Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
S = input()
N = len(S)
t = [1 for i in range(N)]
u = [1 for i in range(N)]
for p in range(10 ** 5):
  u[0] = t[1] * (S[1] == "L")
  for i in range(1, N - 1):
    u[i] = t[i-1] * (S[i-1] == "R") + t[i+1] * (S[i+1] == "L")
  u[N - 1] = t[N-2] * (S[N-2] == "R")
  t = u
  u = [1 for i in range(N)]                                       
print(*t)

Fixed submission:
S = input()
N = len(S)
k = [0]
result = [0] * N

for i in range(N-1):
  if S[i] != S[i+1]:
    k.append(i+1)
l = [k[i+1] - k[i] for i in range(len(k) - 1)] + [N - k[-1]]

for i in range(1, len(k), 2):
  result[k[i]] += (l[i] + 1) // 2 + l[i-1] // 2
  result[k[i]-1] += l[i] // 2 + (l[i-1] + 1) // 2
print(*result)

Buggy python submission (verdict: Time Limit Exceeded):
S = input()
N = len(S)
t = [1 for i in range(N)]
u = [1 for i in range(N)]
for p in range(10 ** 5):
  u[0] = t[1] * (S[1] == "L")
  for i in range(1, N - 1):
    u[i] = t[i-1] * (S[i-1] == "R") + t[i+1] * (S[i+1] == "L")
  u[N - 1] = t[N-2] * (S[N-2] == "R")
  t = u
  u = [1 for i in range(N)]                                       
print(*t)

Fixed submission:
S = input()
N = len(S)
k = [0]
result = [0] * N

for i in range(N-1):
  if S[i] != S[i+1]:
    k.append(i+1)
l = [k[i+1] - k[i] for i in range(len(k) - 1)] + [N - k[-1]]

for i in range(1, len(k), 2):
  result[k[i]] += (l[i] + 1) // 2 + l[i-1] // 2
  result[k[i]-1] += l[i] // 2 + (l[i-1] + 1) // 2
print(*result)

Buggy python submission (verdict: Time Limit Exceeded):
S = input()
N = len(S)
t = [1 for i in range(N)]
u = [1 for i in range(N)]
for p in range(2 * 10 ** 5):
  u[0] = t[1] * (S[1] == "L")
  for i in range(1, N - 1):
    u[i] = t[i-1] * (S[i-1] == "R") + t[i+1] * (S[i+1] == "L")
  u[N - 1] = t[N-2] * (S[N-2] == "R")
  t = u
  u = [1 for i in range(N)]                                       
print(*t)

Fixed submission:
S = input()
N = len(S)
k = [0]
result = [0] * N

for i in range(N-1):
  if S[i] != S[i+1]:
    k.append(i+1)
l = [k[i+1] - k[i] for i in range(len(k) - 1)] + [N - k[-1]]

for i in range(1, len(k), 2):
  result[k[i]] += (l[i] + 1) // 2 + l[i-1] // 2
  result[k[i]-1] += l[i] // 2 + (l[i-1] + 1) // 2
print(*result)

Buggy python submission (verdict: Time Limit Exceeded):
S = input()
N = len(S)
t = [1 for i in range(N)]
for p in range(2 * 10 ** 5):
  t = [t[1] * (S[1] == "L")] + [t[i-1] * (S[i-1] == "R") + t[i+1] * (S[i+1] == "L") for i in range(1, N-1)] + [t[N-2] * (S[N-2] == "R")] 
print(*t)

Fixed submission:
S = input()
N = len(S)
k = [0]
result = [0] * N

for i in range(N-1):
  if S[i] != S[i+1]:
    k.append(i+1)
l = [k[i+1] - k[i] for i in range(len(k) - 1)] + [N - k[-1]]

for i in range(1, len(k), 2):
  result[k[i]] += (l[i] + 1) // 2 + l[i-1] // 2
  result[k[i]-1] += l[i] // 2 + (l[i-1] + 1) // 2
print(*result)
Buggy python submission (verdict: Runtime Error):
W, H, x, y = map(int, input().split())
if (W, H) = (x*2, y*2):
  D = 0
else:
  D = 1
print(W * H / 2, D)


Fixed submission:
W, H, x, y = map(int, input().split())
if (W, H) == (x*2, y*2):
  D = 1
else:
  D = 0
print(W * H / 2, D)
Buggy python submission (verdict: Runtime Error):
N, K = map(int, input().split())
s = input()
print(s[:K] + s[K:].capitalize.swapcase)

Fixed submission:
N, K = map(int, input().split())
s = input()
print(s[:K-1] + s[K-1:].capitalize().swapcase())
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int, input().split()))

a = []
i = 1
while True:
  if A[0] % i == 0:
    a += [i, A[0]//i]
  i += 1
  if i**2 > A[0]:
    break
    
b = []
i = 1
while True:
  if A[1] % i == 0:
    a += [i, A[1]//i]
  i += 1
  if i**2 > A[1]:
    break
#print(a, b)
ans = 1
for i in a:
  counter = 0
  for p in A:
    if p % i == 0:
      counter += 1
  if counter >= N-1:
    ans = max(ans, i)
for i in b:
  counter = 0
  for p in A:
    if p % i == 0:
      counter += 1
  if counter >= N-1:
    ans = max(ans, i)
      
print(ans)

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

a = []
i = 1
while True:
  if A[0] % i == 0:
    a += [i, A[0]//i]
  i += 1
  if i**2 > A[0]:
    break
    
b = []
i = 1
while True:
  if A[1] % i == 0:
    a += [i, A[1]//i]
  i += 1
  if i**2 > A[1]:
    break
#print(a, b)
ans = 1
for i in a:
  counter = 0
  for p in A:
    if p % i == 0:
      counter += 1
  if counter >= N-1:
    ans = max(ans, i)
for i in b:
  counter = 0
  for p in A:
    if p % i == 0:
      counter += 1
  if counter >= N-1:
    ans = max(ans, i)
      
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import heapq
N = int(input())
A = list(map(int, input().split()))
heapq.heapify(A)
while True:
  m = heapq.heappop(A)
  n = heapq.heappop(A)
  if m + n > 0:
    heapq.heappush(A, m)
    heapq.heappush(A, n)
    break
  else:
    heapq.heappush(A, -m)
    heapq.heappush(A, -n)
print(sum(A))

Fixed submission:
import heapq
N = int(input())
A = list(map(int, input().split()))
heapq.heapify(A)
while True:
  m = heapq.heappop(A)
  n = heapq.heappop(A)
  if m + n >= 0:
    heapq.heappush(A, m)
    heapq.heappush(A, n)
    break
  else:
    heapq.heappush(A, -m)
    heapq.heappush(A, -n)
print(sum(A))
Buggy python submission (verdict: Runtime Error):
N, K = map(int, input().split())
S = input()
l = [1]
for i in range(N-1):
  if S[i] == S[i+1]:
    l[-1] += 1
  else:
    l.append(1)
  if S[0] == 0:
    l = [0] + l
  if S[-1] == 0:
    l += [0]
#print(l)
n = len(l)
ans = sum(l[:min(K*2+1, n+1)])
i = 0
M = ans
while True:
  if K*2 + i+1 >= n:
    break
  M = M + l[K*2+1 + i] + l[K*2+1 + i+1] - l[i] -l[i+1]
  #print(ans, M)
  ans = max(ans, M)
  i += 2
print(ans)

Fixed submission:
N, K = map(int, input().split())
S = input()
l = [1]
for i in range(N-1):
  if S[i] == S[i+1]:
    l[-1] += 1
  else:
    l.append(1)
if S[0] == "0":
  l = [0] + l
if S[-1] == "0":
  l += [0]
#print(l)
n = len(l)
ans = sum(l[:min(K*2+1, n+1)])
i = 0
M = ans
while True:
  if K*2 + i+1 >= n:
    break
  M = M + l[K*2+1 + i] + l[K*2+1 + i+1] - l[i] -l[i+1]
  #print(ans, M)
  ans = max(ans, M)
  i += 2
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N, Q = map(int, input().split())
S = input()
arr = []
for i in range(N-1):
  if S[i:i+2] == "AC":
    arr.append(i)
for i in range(Q):
  l, r = map(int, input().split())
  count = 0
  for j in arr:
    if j >= l-1 and j < r-1:
      count += 1
  print(count)
               

Fixed submission:
import bisect
N, Q = map(int, input().split())
S = input()
arr = []
for i in range(N-1):
  if S[i:i+2] == "AC":
    arr.append(i)
#print(arr)
for i in range(Q):
  l, r = map(int, input().split())
  print(bisect.bisect_right(arr, r-2) - bisect.bisect_left(arr, l-1))
Buggy python submission (verdict: Time Limit Exceeded):
N, K = map(int, input().split())
K = min(K, N)
h = list(map(int, input().split()))
cost = [abs(h[i] - h[0]) for i in range(K)]

for i in range(K, N):
#  print(i, cost)
  cost = cost[1:] + [min([cost[j] + abs(h[i]-h[i-K+j]) for j in range(K)])]

print(cost[-1])

Fixed submission:
N, K = map(int, input().split())
K = min(K, N)
h = list(map(int, input().split()))
cost = [abs(h[i] - h[0]) for i in range(K)]

for i in range(K, N):
#  print(i, cost)
  cost = cost[1:] + [min([cost[j] + abs(h[i]-h[i-K+j]) for j in range(K)])]

print(cost[-1])
Buggy python submission (verdict: Time Limit Exceeded):
N, W = map(int, input().split())
values = [0 for i in range(W)]
for i in range(N):
#  print(values)
  w, v = map(int, input().split())
  values = values[:w-1] + [max(values[j], v + values[max(0, j-w)]) for j in range(w-1, W)]

print(values[-1])

Fixed submission:
N, W = map(int, input().split())
values = [0 for i in range(W)]
for i in range(N):
#  print(values)
  w, v = map(int, input().split())
  values = values[:w-1] + [max(values[j], v + values[max(0, j-w)]) for j in range(w-1, W)]

print(values[-1])
Buggy python submission (verdict: Time Limit Exceeded):
S = input()
T = input()
def swap(x, p, q):
  x_neo = ""
  for i in x:
    if i == p:
      x_neo += q
    elif i == q:
      x_neo += p
    else:
      x_neo += i
  return x_neo
for i in range(len(S)):
  if S[i] != T[i]:
    S = swap(S, S[i], T[i])
#    print(S)
if S == T:
  print("Yes")
else:
  print("No")

Fixed submission:
S = input()
T = input()
def f(x):
  d = {chr(97+i):[] for i in range(26)}
  for i in range(len(x)):
    d[x[i]].append(i)
  D = list(d.values())
  D.sort()
  return D
if f(S) == f(T):
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Time Limit Exceeded):
n, p = map(int, input().split())
s = list(input())

ans = 0
if p == 2 or p == 5:
    for i in range(n):
        if int(s[i]) % p == 0:
            ans += i + 1
else:
    d = [0] * (n + 1)
    for i in range(n - 1, -1, -1):
        a = (int(s[i]) * 10 ** ((n - 1) - i)) % p
        d[i - 1] = (d[i] + a) % p
    cnt = [0] * p
    for i in range(n, -1, -1):
        ans += cnt[d[i]]
        cnt[d[i]] += 1

print(ans)


Fixed submission:
n, p = map(int, input().split())

s = list(input())

ans = 0
if p == 2 or p == 5:
    for i in range(n):
        if int(s[i]) % p == 0:
            ans += i + 1
else:
    d = [0] * (n + 1)
    ten = 1
    for i in range(n - 1, -1, -1):
        a = int(s[i]) * ten % p
        ten *= 10
        ten %= p
        d[i - 1] = (d[i] + a) % p
    cnt = [0] * p
    for i in range(n, -1, -1):
        ans += cnt[d[i]]
        cnt[d[i]] += 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n, p = map(int, input().split())
s = list(input())

ans = 0
if p == 2 or p == 5:
    for i in range(n):
        if int(s[i]) % p == 0:
            ans += i + 1
else:
    d = [0] * (n + 1)
    for i in range(n - 1, -1, -1):
        a = (int(s[i]) * 10 ** ((n - 1) - i)) % p
        d[i - 1] = (d[i] + a) % p
    cnt = [0] * p
    for i in range(n, -1, -1):
        ans += cnt[d[i]]
        cnt[d[i]] += 1

print(ans)


Fixed submission:
n, p = map(int, input().split())

s = list(input())

ans = 0
if p == 2 or p == 5:
    for i in range(n):
        if int(s[i]) % p == 0:
            ans += i + 1
else:
    d = [0] * (n + 1)
    ten = 1
    for i in range(n - 1, -1, -1):
        a = int(s[i]) * ten % p
        ten *= 10
        ten %= p
        d[i - 1] = (d[i] + a) % p
    cnt = [0] * p
    for i in range(n, -1, -1):
        ans += cnt[d[i]]
        cnt[d[i]] += 1

print(ans)
Buggy python submission (verdict: Runtime Error):
from collections import deque
import itertools
 
n, k = map(int, input().split())
p = list(map(int, input().split()))
 
kukan = 0
kukan_list = deque()
for i in range(k):
    kukan_list.append(p[i])
 
for i in range(n - k+1):
    if kukan < sum(kukan_list):
        kukan = sum(kukan_list)
    if i+k<n:
        kukan_list.popleft()
        kukan_list.append(p[i+k])
 
 
ans = kukan / 2 + 0.5 * k
print(ans)

Fixed submission:
s, t = input().split()
a, b = map(int, input().split())
u = input()

if s == u:
    a -= 1
elif t == u:
    b -= 1
print(a, b)
Buggy python submission (verdict: Runtime Error):
h, n = map(int, input().split())
a = []
b = []
for i in range(n):
    a_, b_ = map(int, input().split())
    a.append(a_)
    b.append(b_)

dp = [float("inf")] * (h + 1010)
dp[0] = 0

for i in range(h + 1):
    for j in range(n):
        dp[i + a[j]] = min(dp[i + a[j]], dp[i] + b[j])
print(min(dp[h:]))


Fixed submission:
h, n = map(int, input().split())
a = []
b = []
for i in range(n):
    a_, b_ = map(int, input().split())
    a.append(a_)
    b.append(b_)

dp = [float("inf")] * (h + 10010)
dp[0] = 0

for i in range(h + 1):
    for j in range(n):
        dp[i + a[j]] = min(dp[i + a[j]], dp[i] + b[j])
print(min(dp[h:]))
Buggy python submission (verdict: Runtime Error):
N, M = map(int, input().split())
p_list = []
S = []
for _ in range(M):
    n, s = input().split()
    p_list.append(int(n))
    S.append(s)

wa = 0
ac = 0
ac_list = []
for i, p in enumerate(p_list):
    if p not in ac_list:
        if S[i] == "WA":
                wa += 1
        else:
                ac += 1
                ac_list.append(p)

print(ac, wa)

Fixed submission:
s = input()
print(chr(ord(s) + 1))
Buggy python submission (verdict: Runtime Error):
a, b, k = map(int, input().split())
for i in range(k):
  if a > 0:
    a -= 1 
  elif b > 0:
    b -= 1
  else:
    break
print(str(a) + " " + str(b))

Fixed submission:
s, t = input().split()
print(t+s)
Buggy python submission (verdict: Runtime Error):
def main()
  a, b, k = map(int, input().split())
  for i in range(k):
    if a > 0:
      a -= 1 
    elif b > 0:
      b -= 1
    else:
      break
  print(str(a) + " " + str(b))
  
if __name__ == "__main__"
  main()

Fixed submission:
a, b, k = map(int,input().split())

if a > 0:
    if a > k:
        a -= k
        k = 0
    else:
        k -= a
        a = 0

if b > 0:
    if b > k:
        b -= k
    else:
        b = 0

print(str(a) + " " + str(b))

Buggy python submission (verdict: Time Limit Exceeded):
a, b, k = map(int, input().split())
for i in range(k):
  if a > 0:
    a -= 1 
  elif b > 0:
    b -= 1
  else:
    break
print(str(a) + " " + str(b))

Fixed submission:
a, b, k = map(int,input().split())

if a > 0:
    if a > k:
        a -= k
        k = 0
    else:
        k -= a
        a = 0

if b > 0:
    if b > k:
        b -= k
    else:
        b = 0

print(str(a) + " " + str(b))

Buggy python submission (verdict: Time Limit Exceeded):
a, b, k = map(int, input().split())
for i in range(k):
  if a > 0:
    a -= 1 
  elif b > 0:
    b -= 1
  else:
    break
print(str(a) + " " + str(b))

Fixed submission:
a, b, k = map(int,input().split())

if a > 0:
    if a > k:
        a -= k
        k = 0
    else:
        k -= a
        a = 0

if b > 0:
    if b > k:
        b -= k
    else:
        b = 0

print(str(a) + " " + str(b))

Buggy python submission (verdict: Runtime Error):
a, b, k = map(int, input().split())
for i in range(k)
  if a > 0:
    a -= 1 
  elif b > 0:
    b -= 1
  else:
    break
print(str(a) + " " + str(b)))

Fixed submission:
a, b, k = map(int,input().split())

if a > 0:
    if a > k:
        a -= k
        k = 0
    else:
        k -= a
        a = 0

if b > 0:
    if b > k:
        b -= k
    else:
        b = 0

print(str(a) + " " + str(b))

Buggy python submission (verdict: Runtime Error):
a, b, k = map(int, input().split())
for i in range(k)
	if a > 0:
  		a -= 1 
	elif b > 0:
 		b -= 1
	else:
		break
print(str(a) + " " + str(b)))


Fixed submission:
a, b, k = map(int,input().split())

if a > 0:
    if a > k:
        a -= k
        k = 0
    else:
        k -= a
        a = 0

if b > 0:
    if b > k:
        b -= k
    else:
        b = 0

print(str(a) + " " + str(b))
Buggy python submission (verdict: Time Limit Exceeded):
x = int(input())
num = 2

# 素数リスト
prime_list = []

while True:
    # 取り出した数字が素数リストの要素で割れなければ素数リストに追加する
    if all(num % prime != 0 for prime in prime_list):
        prime_list.append(num)
        if num >= x:
            break
    num += 1

print(num)

Fixed submission:
x = int(input())

import random


def is_prime3(q, k=50):
    q = abs(q)
    # 計算するまでもなく判定できるものははじく
    if q == 2: return True
    if q < 2 or q & 1 == 0: return False

    # n-1=2^s*dとし（但しaは整数、dは奇数)、dを求める
    d = (q - 1) >> 1
    while d & 1 == 0:
        d >>= 1

    # 判定をk回繰り返す
    for i in range(k):
        a = random.randint(1, q - 1)
        t = d
        y = pow(a, t, q)
        # [0,s-1]の範囲すべてをチェック
        while t != q - 1 and y != 1 and y != q - 1:
            y = pow(y, 2, q)
            t <<= 1
        if y != q - 1 and t & 1 == 0:
            return False
    return True


while True:
    if is_prime3(x):
        print(x)
        exit()
    x += 1
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = input()

ans = 0
for i in range(1000):
    flag = [False, False, False]
    st = str(i).zfill(3)
    for j in range(len(s)):
        if st[0] == s[j] and not flag[0] and not flag[1]:
            flag[0] = True
        elif st[1] == s[j] and flag[0] and not flag[1]:
            flag[1] = True
        elif st[2] == s[j] and flag[0] and flag[1]:
            flag[2] = True
        if all(flag):
            ans += 1
            break
print(ans)

Fixed submission:
n = int(input())
s = input()

ans = 0
for i in range(1000):
    flag = [False, False, False]
    st = str(i).zfill(3)
    a = s.find(st[0])
    if a != -1:
        b = s.find(st[1],a+1)
        if b != -1:
            c =s.find(st[2],b+1)
            if c != -1:
                ans += 1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())

m_sum = 0
for i in range(1, n):
    m_sum += i
print(m_sum)

Fixed submission:
n = int(input())

m_sum = 0
print(int(n*(n-1)//2))
Buggy python submission (verdict: Runtime Error):
a, b, k = map(int, input().split())

ans =[]
for i in range(60, 0, -1):
    if a % i == 0 and b % i == 0:
        ans.append(i)
print(ans[k-1])


Fixed submission:
a, b, k = map(int, input().split())

ans =[]
for i in range(1000, 0, -1):
    if a % i == 0 and b % i == 0:
        ans.append(i)
print(ans[k-1])
Buggy python submission (verdict: Runtime Error):
import math

n = int(input())
h = list(map(int, input().split()))

dp = [math.inf] * (n + 1)
dp[0] = 0
dp[1] = abs(h[0]-h[1])

for i in range(2, n):
    dp[i] = min(dp[i-1]+abs(h[i]-h[i-1]), dp[i-2]+abs(h[i]-h[i-2]))
print(dp[n-1])

Fixed submission:
n = int(input())
h = list(map(int, input().split()))

dp = [float("inf")] * (n + 1)
dp[0] = 0
dp[1] = abs(h[0]-h[1])

for i in range(2, n):
    dp[i] = min(dp[i-1]+abs(h[i]-h[i-1]), dp[i-2]+abs(h[i]-h[i-2]))
print(dp[n-1])
Buggy python submission (verdict: Time Limit Exceeded):
n, K = map(int, input().split())
h = list(map(int, input().split()))

dp = [float("inf")] * (n + 110)
dp[0] = 0
for i in range(n):
    for k in range(1, 1 + K):
        if i + k < n:
            dp[i + k] = min(dp[i + k], dp[i] + abs(h[i] - h[i + k]))
print(dp[n - 1])

Fixed submission:
n, K = map(int, input().split())
h = list(map(int, input().split()))

dp = [float("inf")] * (n + 110)
dp[0] = 0
for i in range(n):
    for k in range(1, 1 + K):
        if i + k < n:
            dp[i + k] = min(dp[i + k], dp[i] + abs(h[i] - h[i + k]))
print(dp[n - 1])
Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
a = []
b = []
for i in range(m):
    a_, b_ = map(int, input().split())
    if a_ == 1 or a_ == n or b_ == 1 or b_ == n:
        a.append(a_)
        b.append(b_)

for i in range(len(a)):
    if a[i] == 1 or b[i] == 1:
        x = max(a[i], b[i])
        for j in range(len(a)):
            if a[j] == x or b[j] == x:
                if max(a[j], b[j]) == n:
                    print("POSSIBLE")
                    exit()
print("IMPOSSIBLE")


Fixed submission:
n, m = map(int, input().split())
a = []
b = []
for i in range(m):
    a_, b_ = map(int, input().split())
    if a_ == 1 or a_ == n or b_ == 1 or b_ == n:
        a.append(a_)
        b.append(b_)

x_min=[]
x_max=[]
for i in range(len(a)):
    if a[i] == 1 or b[i] == 1:
        x_max.append(max(a[i], b[i]))
    if a[i] == n or b[i] == n:
        x_min.append(min(a[i], b[i]))
x = x_min + x_max
if len(x) == len(set(x)):
    print("IMPOSSIBLE")
else:
    print("POSSIBLE")

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
a = []
b = []
for i in range(m):
    a_, b_ = map(int, input().split())
    if a_ == 1 or a_ == n or b_ == 1 or b_ == n:
        a.append(a_)
        b.append(b_)

for i in range(len(a)):
    if a[i] == 1 or b[i] == 1:
        x = max(a[i], b[i])
        for j in range(len(a)):
            if a[j] == x or b[j] == x:
                if max(a[j], b[j]) == n:
                    print("POSSIBLE")
                    exit()
print("IMPOSSIBLE")


Fixed submission:
n, m = map(int, input().split())
a = []
b = []
for i in range(m):
    a_, b_ = map(int, input().split())
    if a_ == 1 or a_ == n or b_ == 1 or b_ == n:
        a.append(a_)
        b.append(b_)

x_min=[]
x_max=[]
for i in range(len(a)):
    if a[i] == 1 or b[i] == 1:
        x_max.append(max(a[i], b[i]))
    if a[i] == n or b[i] == n:
        x_min.append(min(a[i], b[i]))
x = x_min + x_max
if len(x) == len(set(x)):
    print("IMPOSSIBLE")
else:
    print("POSSIBLE")
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))
b=[]

a = a[::-1]
for i in range(n):
    b.append(a.pop(-1))
    b = b[::-1]

for i in range(len(b)):
    print(b[i], end=" ")

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
b = []

if n % 2 == 0:
    for i in range(n - 1, 0, -2):
        b.append(a[i])
    for i in range(0, n, 2):
        b.append(a[i])
else:
    for i in range(n - 1, -1, -2):
        b.append(a[i])
    for i in range(1, n, 2):
        b.append(a[i])

for i in range(len(b)):
    print(b[i], end=" ")

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))
b=[]

a = a[::-1]
for i in range(n):
    b.append(a.pop(-1))
    b = b[::-1]

for i in range(len(b)):
    print(b[i], end=" ")

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
b = []

if n % 2 == 0:
    for i in range(n - 1, 0, -2):
        b.append(a[i])
    for i in range(0, n, 2):
        b.append(a[i])
else:
    for i in range(n - 1, -1, -2):
        b.append(a[i])
    for i in range(1, n, 2):
        b.append(a[i])

for i in range(len(b)):
    print(b[i], end=" ")

Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int, input().split()))
b=[]

a = a[::-1]
for i in range(n):
    b.append(a.pop(-1))
    b = b[::-1]
    print(b)

for i in range(len(b)):
    print(b[i], end=" ")

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
b = []

if n % 2 == 0:
    for i in range(n - 1, 0, -2):
        b.append(a[i])
    for i in range(0, n, 2):
        b.append(a[i])
else:
    for i in range(n - 1, -1, -2):
        b.append(a[i])
    for i in range(1, n, 2):
        b.append(a[i])

for i in range(len(b)):
    print(b[i], end=" ")
Buggy python submission (verdict: Runtime Error):
o = input()
e = input()

s = ""
for i in range(len(o)):
    s += o[i] + e[i]
print(s)

Fixed submission:
o = input()
e = input()

a = len(o)-len(e)
s = ""

if a == 0:
    for i in range(len(o)):
         s += o[i] + e[i]
else:
    for i in range(len(o)-1):
        s += o[i] + e[i]
    s += o[len(o)-1]
print(s)
Buggy python submission (verdict: Runtime Error):
(n, k) = [int(x) for x in input().split()]

s = set()

for i in range(k):
    input()
    s |= set(input().split)
    
print(n-len(s))


Fixed submission:
(n, k) = [int(x) for x in input().split()]

s = set()

for i in range(k):
    input()
    s |= set(input().split())
    
print(n-len(s))

Buggy python submission (verdict: Runtime Error):
(n, k) = [int(x) for x in input().split()]

s = set()

for i in range(k):
  input()
  s |= set(input().split)
    
print(n-len(s))


Fixed submission:
(n, k) = [int(x) for x in input().split()]

s = set()

for i in range(k):
    input()
    s |= set(input().split())
    
print(n-len(s))

Buggy python submission (verdict: Runtime Error):
(n, k) = [int(x) for x in input().split()]

s = set()

for i in range(k):
	input()
    s |= set(input().split)
    
print(n-len(s))

Fixed submission:
(n, k) = [int(x) for x in input().split()]

s = set()

for i in range(k):
    input()
    s |= set(input().split())
    
print(n-len(s))
Buggy python submission (verdict: Runtime Error):
from math import gcd
a, b = map(int, input().split())
print(a * b // gcd(a, b))


Fixed submission:
def gcd(a, b):
    if a == 0:
        return b
    return gcd(b % a, a)


a, b = map(int, input().split())
print(a * b // gcd(a, b))
Buggy python submission (verdict: Runtime Error):
n = int(input())
l = [*map(int, input().split())]
print(1 / sum(1 / e for e in l))

Fixed submission:
n = int(input())
print(1 / sum(1 / e for e in map(int, input().split())))
Buggy python submission (verdict: Runtime Error):
n = int(input())
res = 0
p = [*map(int, input().split())]
res = sum(1 for i in range(1, n - 1) if p[i - 1] < p[i] < p[i + 1] or p[i - 1] > p[i] > p[i + 1])
print(res)

Fixed submission:
n = int(input())
res = 0
p = list(map(int, input().split()))
res = sum(1 for i in range(1, n - 1) if p[i - 1] < p[i] < p[i + 1] or p[i - 1] > p[i] > p[i + 1])
print(res)