Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
a, b, c, d = map(int, input().split())
l = a+b
r = c+d
print("Left" if l > r "Right" elif l < r else "Balanced")

Fixed submission:
a, b, c, d = map(int, input().split())
l = a+b
r = c+d
if l > r:
  print("Left")
elif l < r:
  print("Right")
else:
  print("Balanced")
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(i) for i in input().split()]
a = A.count
cnt = 0
for i in set(A):
  if i < a(i):
    cnt += a(i)-i
  elif i > a(i):
    cnt += a(i)
print(cnt)

Fixed submission:
N = int(input())
A = sorted(int(i) for i in input().split())+[0]
cnt, ans = 0, 0
a = A[0]
for i in range(len(A)):
  if a == A[i]:
    cnt += 1
  elif a != A[i]:
    if cnt < a:
      ans += cnt
    elif cnt > a:
      ans += cnt-a
    a = A[i]
    cnt = 1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
d = defaultdict(int)
N = int(input())
A = [int(i) for i in input().split()]
a = A.count
for i in set(A):
  d[i] = a(i)
cnt = 0
for i, j in d.items():
  if i < j:
    cnt += j-i
  elif i > j:
    cnt += j   
print(cnt)

Fixed submission:
N = int(input())
A = sorted(int(i) for i in input().split())+[0]
cnt, ans = 0, 0
a = A[0]
for i in range(len(A)):
  if a == A[i]:
    cnt += 1
  elif a != A[i]:
    if cnt < a:
      ans += cnt
    elif cnt > a:
      ans += cnt-a
    a = A[i]
    cnt = 1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
d = defaultdict(int)
N = int(input())
A = [int(i) for i in input().split()]
B = set(A)
for i in B:
  for j in A:
    if i == j:
      d[i] += 1
cnt = 0
for i, j in d.items():
  if i < j:
    cnt += j-i
  elif i > j:
    cnt += j   
print(cnt)

Fixed submission:
N = int(input())
A = sorted(int(i) for i in input().split())+[0]
cnt, ans = 0, 0
a = A[0]
for i in range(len(A)):
  if a == A[i]:
    cnt += 1
  elif a != A[i]:
    if cnt < a:
      ans += cnt
    elif cnt > a:
      ans += cnt-a
    a = A[i]
    cnt = 1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict
d = defaultdict(int)
N = int(input())
A = [int(i) for i in input().split()]
B = set(A)
for i in B:
  for j in A:
    if i == j:
      d[i] += 1
cnt = 0
for i, j in d.items():
  if i < j:
    cnt += j-i
  elif i > j:
    cnt += j   
print(cnt)

Fixed submission:
N = int(input())
A = sorted(int(i) for i in input().split())+[0]
cnt, ans = 0, 0
a = A[0]
for i in range(len(A)):
  if a == A[i]:
    cnt += 1
  elif a != A[i]:
    if cnt < a:
      ans += cnt
    elif cnt > a:
      ans += cnt-a
    a = A[i]
    cnt = 1
print(ans)
Buggy python submission (verdict: Runtime Error):
n, k = map(int,input().split())
a = list(map(int,input().split()))
d = {}
count = 0
for i in a:
  if i not in d.keys():
    d[i] = 1
  else:
    d[i] += 1
d = sorted(d.values())
for i, j in enumerate(d):
  if len(d) > k:
    count += j
    del d[i]
  else:
    break
print(count)

Fixed submission:
print(input().count("1"))
Buggy python submission (verdict: Time Limit Exceeded):
a = int(input())
b = list(map(int,input().split()))
num = 0
while True:
  for i in range(a):
    if b[i] % 2 == 0:
      c = b[i] / 2
      b[i] = c
      num += 1
    else:
      break

  

Fixed submission:
import math
n = input()
a = list(map(int,input().split()))
ans = float("inf")
for i in a:
  ans = min(ans, len(bin(i))-bin(i).rfind("1") -1)
print(round(ans))
Buggy python submission (verdict: Runtime Error):
S = input()
T = input()
ind = 0
w = ""
for i in range(len(S)):
  if S[i] == "?" or S[i] == T[ind]:
    ind += 1
    if ind == len(T):
      w += T
      for j in range(i+1,len(S)):
        w += S[j]
      break
  else:
    for k in range(ind, 0 , -1):
      w += S[i-k]
    ind = 0
    w += S[i]
if ind < len(T):
  print("UNRESTORABLE")
else:
  for i in range(len(w)):
    if w[i] == "?":
      ans = w.replace("?", "a")
  print(ans)   

Fixed submission:
def main():
    s = input()
    t = input()
    T = len(t)
    candidate = []
    for i in range(len(s)-T+1):
        buf = s[i:i+T]
        flag = True
        for b, tc in zip(buf, t):
            if b == "?" or b == tc:
                continue
            else:
                flag = False
                break
        if flag == True:
            candidate.append(i)
    if len(candidate) == 0:
        print("UNRESTORABLE")
    else:
        print((s[:candidate[-1]] + t + s[candidate[-1]+T:]).replace("?", "a"))
if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
S = input()
T = input()
ind = 0
w = ""
for i in range(len(S)):
  if S[i] == "?" or S[i] == T[ind]:
    ind += 1
    if ind == len(T):
      w += T
      for j in range(i+1,len(S)):
        w += S[j]
      break
  else:
    for k in range(ind, 0 , -1):
      w += S[i-k]
    ind = 0
    w += S[i]
if ind < len(T):
  print("UNRESTORABLE")
else:
  print(w)
  for i in range(len(w)):
    if w[i] == "?":
      ans = w.replace("?", "a")
  print(ans)   

Fixed submission:
def main():
    s = input()
    t = input()
    T = len(t)
    candidate = []
    for i in range(len(s)-T+1):
        buf = s[i:i+T]
        flag = True
        for b, tc in zip(buf, t):
            if b == "?" or b == tc:
                continue
            else:
                flag = False
                break
        if flag == True:
            candidate.append(i)
    if len(candidate) == 0:
        print("UNRESTORABLE")
    else:
        print((s[:candidate[-1]] + t + s[candidate[-1]+T:]).replace("?", "a"))
if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
h, w = map(int,input().split())
s = [input() for i in range(h)]
for i in range(h):
  l = ""
  for j in range(w):
    if s[i][j] == "#":
      l += "#"
    else:
      l += str(sum([t[max(0,j-1):min(w,j+2)].count("#") for t in s[max(0,i-1):min(h,i+2)]]))
  print(l)
  

Fixed submission:
a,b,c=map(int,input().split())
if a == b:
  print(c)
elif a == c:
  print(b)
else:
  print(a)
Buggy python submission (verdict: Runtime Error):
n = int(input())
A = []
B = []
for i in range(n):
  a, b = map(int,input().split())
  A.append(a)
  B.append(b)
print(max(a)+min(b))

Fixed submission:
n = int(input())
A = []
B = []
for i in range(n):
  a, b = map(int,input().split())
  A.append(a)
  B.append(b)
print(max(A)+min(B))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = set()
for i in range(n):
  s = s ^ {input()} 
print(len(s))

Fixed submission:
N=int(input())
s=set()
for i in range(N):s^={input()}
print(len(s))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
l = []
for i in range(n):
  a = int(input())
  if a not in l:
    l.append(a)
  else:
    l.remove(a)
print(len(l))

Fixed submission:
N=int(input())
s=set()
for i in range(N):s^={input()}
print(len(s))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int,input().split()))
ans = 0
for i in A:
  cnt = A.count(i)
  if i-1 in A:
    cnt += A.count(i-1)
  if i+1 in A:
    cnt += A.count(i+1)
  ans = max(ans,cnt) 
print(ans)
  

Fixed submission:
n = int(input())
cnt = [0] * 100002
a = list(map(int, input().split()))
for v in a:
    cnt[v] += 1
    cnt[v+1] += 1
    cnt[v+2] += 1
    
print(max(cnt))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int,input().split()))
ans = 0
for i in range(min(A),max(A)+1):
  cnt = A.count(i)
  cnt += A.count(i-1)
  cnt += A.count(i+1)
  ans = max(ans,cnt) 
print(ans)
  

Fixed submission:
n = int(input())
cnt = [0] * 100002
a = list(map(int, input().split()))
for v in a:
    cnt[v] += 1
    cnt[v+1] += 1
    cnt[v+2] += 1
    
print(max(cnt))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int,input().split()))
ans = 0
for i in range(min(A),max(A)+1):
  cnt = A.count(i)
  if i-1 in A:
    cnt += A.count(i-1)
  if i+1 in A:
    cnt += A.count(i+1)
  ans = max(ans,cnt) 
print(ans)
  

Fixed submission:
n = int(input())
cnt = [0] * 100002
a = list(map(int, input().split()))
for v in a:
    cnt[v] += 1
    cnt[v+1] += 1
    cnt[v+2] += 1
    
print(max(cnt))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int,input().split()))
ans = 0
for i in range(min(A),max(A)+1):
  cnt = 0
  if i in A:
    cnt += A.count(i)
  if i-1 in A:
    cnt += A.count(i-1)
  if i+1 in A:
    cnt += A.count(i+1)
  ans = max(ans,cnt) 
print(ans)
  

Fixed submission:
n = int(input())
cnt = [0] * 100002
a = list(map(int, input().split()))
for v in a:
    cnt[v] += 1
    cnt[v+1] += 1
    cnt[v+2] += 1
    
print(max(cnt))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int,input().split()))
l = []
for i in range(min(A),max(A)+1):
  cnt = 0
  if i in A:
    cnt += A.count(i)
  if i-1 in A:
    cnt += A.count(i-1)
  if i+1 in A:
    cnt += A.count(i+1)
  l.append(cnt)  
print(max(l))
  

Fixed submission:
n = int(input())
cnt = [0] * 100002
a = list(map(int, input().split()))
for v in a:
    cnt[v] += 1
    cnt[v+1] += 1
    cnt[v+2] += 1
    
print(max(cnt))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int,input().split()))
l = []
for i in range(min(A),max(A)+1):
  cnt = 0
  for a in A:
    if i == a or i == a-1 or i == a+1:
      cnt += 1
  l.append(cnt)
print(max(l))
  

Fixed submission:
n = int(input())
cnt = [0] * 100002
a = list(map(int, input().split()))
for v in a:
    cnt[v] += 1
    cnt[v+1] += 1
    cnt[v+2] += 1
    
print(max(cnt))

Buggy python submission (verdict: Runtime Error):
n = int(input())
A = list(map(int,input().split()))
l = []
for i in range(min(A),max(A)):
  cnt = 0
  for a in A:
    if i == a or i == a-1 or i == a+1:
      cnt += 1
  l.append(cnt)
print(max(l))
  

Fixed submission:
n = int(input())
cnt = [0] * 100002
a = list(map(int, input().split()))
for v in a:
    cnt[v] += 1
    cnt[v+1] += 1
    cnt[v+2] += 1
    
print(max(cnt))
Buggy python submission (verdict: Runtime Error):
n = int(input())
P = [int(i) for i in input().split()]
cnt = 0
for i in range(n):
  if i+1==P[i]:
    a = P[i]
    P[i] = P[i+1]
    P[i+1] = a
    cnt += 1
print(cnt)

Fixed submission:
n = int(input())
P = [int(i) for i in input().split()]
cnt = 0
for i in range(n):
  if i == n-1 and P[i]==i+1:
    cnt += 1
    break
  if i+1==P[i]:
    a = P[i]
    P[i] = P[i+1]
    P[i+1] = a
    cnt += 1
print(cnt)
Buggy python submission (verdict: Runtime Error):
n = int(input())
L = [int(i) for i in input().split()]
cnt = 0
ans = 1
for i in sorted(set(L),reverse=True):
  if L.count(i)>=4 and cnt==0:
    ans = i*i
    break
  elif 2<=L.count(i)<4:
    ans *= i
    cnt += 1
    if cnt == 2:
      break
  elif L.count(i)>=4 and cnt==1:
    ans *=i
    break
print(0 if ans==1 else ans)


Fixed submission:
a, b, c= map(int, input().split())
if abs(a-b) > abs(a-c):
  print("B")
else:
  print("A")
Buggy python submission (verdict: Time Limit Exceeded):
input()
L = [int(i) for i in input().split()]
cnt,ans = 0,1
for i in sorted(set(L),reverse=True):
  if L.count(i)>=4 and cnt==0:
    ans = i*i
    break
  elif 2<=L.count(i)<4:
    ans *= i
    cnt += 1
    if cnt == 2:
      break
  elif L.count(i)>=4 and cnt==1:
    ans *=i
    break
print(0 if ans==1 else ans)

Fixed submission:
from collections import defaultdict
N = int(input())
A = [int(i) for i in input().split()]
d = defaultdict(int)
for a in A:
  d[a] += 1
x = 1
cnt = 0
d = sorted(d.items(), key=lambda x:-x[0])
for i, j in d:
  if x == 1 and j >= 4:
    print(i**2)
    exit()
  if j >= 2:
    x *= i
    cnt += 1
    if cnt == 2:
      break
if cnt >= 1:
  print(x)
else:
  print(0)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
L = [int(i) for i in input().split()]
cnt = 0
ans = 1
for i in sorted(set(L),reverse=True):
  if L.count(i)>=4 and cnt==0:
    print(i*i)
    exit()
  elif 2<=L.count(i)<4:
    ans *= i
    cnt += 1
    if cnt == 2:
      break
  elif L.count(i)>=4 and cnt==1:
    ans *=i
    print(ans)
    exit()
print(0 if cnt<2 else ans)

Fixed submission:
from collections import defaultdict
N = int(input())
A = [int(i) for i in input().split()]
d = defaultdict(int)
for a in A:
  d[a] += 1
x = 1
cnt = 0
d = sorted(d.items(), key=lambda x:-x[0])
for i, j in d:
  if x == 1 and j >= 4:
    print(i**2)
    exit()
  if j >= 2:
    x *= i
    cnt += 1
    if cnt == 2:
      break
if cnt >= 1:
  print(x)
else:
  print(0)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
L = sorted([int(i) for i in input().split()],reverse=True)
a = []
for l in L:
  if L.count(l) >= 4 and a==[]:
    print(l*l)
    exit()
  elif L.count(l)>=2 and l not in a:
    a.append(l)
    if len(a) == 2:
      break
print(0 if a==[] else a[0]*a[1])



Fixed submission:
from collections import defaultdict
N = int(input())
A = [int(i) for i in input().split()]
d = defaultdict(int)
for a in A:
  d[a] += 1
x = 1
cnt = 0
d = sorted(d.items(), key=lambda x:-x[0])
for i, j in d:
  if x == 1 and j >= 4:
    print(i**2)
    exit()
  if j >= 2:
    x *= i
    cnt += 1
    if cnt == 2:
      break
if cnt >= 1:
  print(x)
else:
  print(0)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
L = sorted([int(i) for i in input().split()],reverse=True)
a = []
for l in L:
  if L.count(l) >= 4 and a==[]:
    print(l*l)
    exit()
  if L.count(l)>=2 and l not in a:
    a.append(l)
    if len(a) == 2:
      break
print(0 if a==[] else a[0]*a[1])



Fixed submission:
from collections import defaultdict
N = int(input())
A = [int(i) for i in input().split()]
d = defaultdict(int)
for a in A:
  d[a] += 1
x = 1
cnt = 0
d = sorted(d.items(), key=lambda x:-x[0])
for i, j in d:
  if x == 1 and j >= 4:
    print(i**2)
    exit()
  if j >= 2:
    x *= i
    cnt += 1
    if cnt == 2:
      break
if cnt >= 1:
  print(x)
else:
  print(0)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = [int(i) for i in input().split()]
ans = 100000000000000
for i in range(1,n):
  a = abs(sum(A[:i])-sum(A[i:]))
  ans = min(ans, a)
print(ans)

Fixed submission:
n = int(input())
A = [int(i) for i in input().split()]
ans = 100000000000000
a = 0
b = sum(A)
for i in range(n-1):
  a += A[i]
  b -= A[i]
  c = abs(a-b)
  ans = min(ans, c)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = [int(i) for i in input().split()]
b = []
for i in range(n):
  b.append(A[i])
  b = b[::-1]
print(*b)
  

Fixed submission:
from collections import deque
n = int(input())
A = list(map(int,input().split()))
l = deque()
for i in range(len(A)):
  if n % 2 == 0:
    if i % 2 == 0:
      l.append(A[i])
    else:
      l.appendleft(A[i])
  else:
    if i % 2 == 0:
      l.appendleft(A[i])
    else:
      l.append(A[i])
print(*l)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int,input().split()))
l = []
for a in A:
  l.append(a)
  l = l[::-1]
print(*l)

Fixed submission:
from collections import deque
n = int(input())
A = list(map(int,input().split()))
l = deque()
for i in range(len(A)):
  if n % 2 == 0:
    if i % 2 == 0:
      l.append(A[i])
    else:
      l.appendleft(A[i])
  else:
    if i % 2 == 0:
      l.appendleft(A[i])
    else:
      l.append(A[i])
print(*l)
Buggy python submission (verdict: Runtime Error):
a, b, c = input().split()
num = a+b+c
if num % 4 == 0:
  print("YES")
else:
  print("NO")

Fixed submission:
a, b, c = input().split()
num = a + b + c
num = int(num)
if num % 4 == 0:
  print("YES")
else:
  print("NO")

Buggy python submission (verdict: Runtime Error):
a, b, c = input().split()
num = a + b + c
num = int(num)
if num % 4 == 0:
  print("YES")
else:
  print("NO)


Fixed submission:
a, b, c = input().split()
num = a + b + c
num = int(num)
if num % 4 == 0:
  print("YES")
else:
  print("NO")

Buggy python submission (verdict: Runtime Error):
a, b, c = input.split()
num = a + b + c
num = int(num)
if num % 4 == 0:
  print("YES")
else:
  print("NO)

Fixed submission:
a, b, c = input().split()
num = a + b + c
num = int(num)
if num % 4 == 0:
  print("YES")
else:
  print("NO")
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
A = list(map(int,input().split()))
cnt = 0
for i in range(1,n):
  if A[0] >= 0:
    if i%2!=0 and A[i]>=0:
      cnt += A[i]
      A[i] -= A[i]
      while sum(A[:i+1])>=0:
        A[i] -= 1
        cnt += 1
    elif i%2==0 and A[i]<0:
      cnt += abs(A[i])
      A[i] += abs(A[i])
      while sum(A[:i+1])<=0:
        A[i] += 1
        cnt += 1
    else:
      if A[i] >= 0:
        while sum(A[:i+1])<=0:
          A[i] += 1
          cnt += 1
      else:
        while sum(A[:i+1])>=0:
          A[i] -= 1
          cnt += 1
  else:
    if i%2!=0 and A[i]<0:
      cnt += abs(A[i])
      A[i] += abs(A[i])
      while sum(A[:i+1])<=0:
        A[i] += 1
        cnt += 1
    elif i%2==0 and A[i]>=0:
      cnt += A[i]
      A[i] -= A[i]
      while sum(A[:i+1])>=0:
        A[i] -= 1
        cnt += 1
    else:
      if A[i] >= 0:
        while sum(A[:i+1])<=0:
          A[i] += 1
          cnt += 1
      else:
        while sum(A[:i+1])>=0:
          A[i] -= 1
          cnt += 1  
print(cnt)

Fixed submission:
n = input()
a = [int(i) for i in input().split()]
def chk(a, t):
  ans = 0
  x = 0
  for i in a:
    x += i
    if t == True and x < 1:
      ans+=1-x
      x=1
    elif t == False and x>-1:
      ans+=x+1
      x=-1
    t=not t
  return ans
print(min(chk(a,True),chk(a,False)))
Buggy python submission (verdict: Runtime Error):
a = int(input())
b = a * 800
if a >= 15:
    c = (a // 15) * 200
print(b-c)

Fixed submission:
a = int(input())
b = a * 800
if a >= 15:
    c = (a // 15) * 200
    print(b-c)
else:
  print(b)
Buggy python submission (verdict: Runtime Error):
import math
print(math.factorial(int(input())%10**9+7)

Fixed submission:
import math

n = int(input())
C = 10**9 + 7
print(math.factorial(n)%C)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
p = 1
for i in range(1,n+1):
  p = p * i
print(p%((10**9)+7))

Fixed submission:
import math

n = int(input())
C = 10**9 + 7
print(math.factorial(n)%C)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
p = 1
for i in range(1,n+1):
  p *= i
print(p%((10**9)+7))

Fixed submission:
import math

n = int(input())
C = 10**9 + 7
print(math.factorial(n)%C)
Buggy python submission (verdict: Time Limit Exceeded):
x = int(input())
a = 0
cnt = 0
while x > 0:
  if a%2==0:
    x -= 6
  else:
    x -= 5
  a += 1
  cnt += 1
print(cnt)

Fixed submission:
x = int(input())
a = x // 11
if (x-11*a) == 0:
  print(a*2)
elif 0 < (x-11*a) <= 6:
  print(a*2+1)
else:
  print(a*2+2)
Buggy python submission (verdict: Runtime Error):
a,b,c,d = map(int.input().split())
s1 = a*b
s2 = c*d
if s1 >= s2:
  print(s1)
else:
  print(s2)

Fixed submission:
a,b,c,d = map(int,input().split())
s1 = a*b
s2 = c*d
if s1 >= s2:
  print(s1)
else:
  print(s2)
Buggy python submission (verdict: Runtime Error):
a,b,c = input().split(,)
print(a+" "+b+" "+c)

Fixed submission:
a,b,c = input().split(",")
print(a+" "+b+" "+c)
Buggy python submission (verdict: Time Limit Exceeded):
a, b = map(int,input().split())
count = 0
for i in range(a+1):
  for j in range(a+1):
    for k in range(a+1):
      if (i+j+k) == b:
        count += 1
      else:
        continue
print(count)

Fixed submission:
a, b = map(int,input().split())
count = 0
for i in range(a+1):
  for j in range(a+1):
    k = b - i - j
    if 0 <= k <= a:
      count += 1
print(count)
Buggy python submission (verdict: Runtime Error):
a = list(map(int, input().split()))
a.sorted()
if a[0]+a[1] == a[2]:
  print("Yes")
else:
  print("No")

Fixed submission:
a = list(map(int, input().split()))
a.sort()
if a[0]+a[1] == a[2]:
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Time Limit Exceeded):
X = input()
while ("ST" in X):
  X = X.replace("ST","")
print(len(X))

Fixed submission:
X = input()
l = []
for x in X:
  if x == "S":
    l.append(x)
  else:
    if l == [] or l[-1] == "T":
      l.append(x)
    elif l[-1] == "S":
      l.pop(-1)
print(len(l))

Buggy python submission (verdict: Time Limit Exceeded):
X = input()
while ("ST" in X):
  X = X.replace("ST","")
print(len(X))

Fixed submission:
X = input()
l = []
for x in X:
  if x == "S":
    l.append(x)
  else:
    if l == [] or l[-1] == "T":
      l.append(x)
    elif l[-1] == "S":
      l.pop(-1)
print(len(l))
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(i) for i in input().split()]
arr = [[False for i in range(N)] for j in range(N)]
cnt = 0
for ind, val in enumerate(A):
  arr[ind][val-1] = True
  if arr[val-1][ind] == True:
    cnt += 1

print(cnt)

Fixed submission:
N = int(input())
A = [int(i) for i in input().split()]
cnt = 0
for i, a in enumerate(A):
  if A[a-1]-1 == i:
    cnt += 1
  
print(cnt//2)
Buggy python submission (verdict: Runtime Error):
S = {c:input() for c in "abc"}
s = "a"
while S[s]:
  s = S[s].pop(0)
print(s.upper())

Fixed submission:
Sa = list(input())
Sb = list(input())
Sc = list(input())
d = Sa[0]
for i in range(300):
  if d == "a":
    d = Sa.pop(0)
  elif d == "b":
    d = Sb.pop(0)
  else:
    d = Sc.pop(0)
  if Sa == [] and d == "a":
    print("A")
    break
  elif Sb == [] and d == "b":
    print("B")
    break
  elif Sc == [] and d == "c":
    print("C")
    break

Buggy python submission (verdict: Runtime Error):
Sa = list(input())
Sb = list(input())
Sc = list(input())
d = Sa.pop(0)
for i in range(305):
  if d == "a":
    d = Sa.pop(0)
  elif d == "b":
    d = Sb.pop(0)
  else:
    d = Sc.pop(0)
  if Sa == [] and d == "a":
    print("A")
    break
  elif Sb == [] and d == "b":
    print("B")
    break
  elif Sc == [] and d == "c":
    print("C")
    break

Fixed submission:
Sa = list(input())
Sb = list(input())
Sc = list(input())
d = Sa[0]
for i in range(300):
  if d == "a":
    d = Sa.pop(0)
  elif d == "b":
    d = Sb.pop(0)
  else:
    d = Sc.pop(0)
  if Sa == [] and d == "a":
    print("A")
    break
  elif Sb == [] and d == "b":
    print("B")
    break
  elif Sc == [] and d == "c":
    print("C")
    break

Buggy python submission (verdict: Runtime Error):
Sa = list(input())
Sb = list(input())
Sc = list(input())
d = Sa.pop(0)
for i in range(300):
  if d == "a":
    d = Sa.pop(0)
  elif d == "b":
    d = Sb.pop(0)
  else:
    d = Sc.pop(0)
  if Sa == [] and d == "a":
    print("A")
    break
  elif Sb == [] and d == "b":
    print("B")
    break
  elif Sc == [] and d == "c":
    print("C")
    break

Fixed submission:
Sa = list(input())
Sb = list(input())
Sc = list(input())
d = Sa[0]
for i in range(300):
  if d == "a":
    d = Sa.pop(0)
  elif d == "b":
    d = Sb.pop(0)
  else:
    d = Sc.pop(0)
  if Sa == [] and d == "a":
    print("A")
    break
  elif Sb == [] and d == "b":
    print("B")
    break
  elif Sc == [] and d == "c":
    print("C")
    break
Buggy python submission (verdict: Runtime Error):
a, b = map(int,input().split())
c = list(range(a,b+1))
num = 1
for i in c:
  num *= i
if num > 0:
  print("Positive")
elif num < 0:
  print("Negative")
else:
  print("Zero")

Fixed submission:
a, b = map(int,input().split())
if a <=0 and b >= 0:
  print("Zero")
elif (b-a) % 2 == 0 and a < 0 and b < 0:
  print("Negative")
elif a ==0 or b == 0:
  print("Zero")
else:
  print("Positive")
Buggy python submission (verdict: Runtime Error):
N, L = map(int,input().split())
S = sorted([input() for i in range(n)])
print(*S, sep="")

Fixed submission:
a, b = map(int, input().split())
list = []
for i in range(a):
  word = input()
  list.append(word)
  
c = sorted(list)
d = ""
for j in range(a):
  d += c[j]
print(d)
Buggy python submission (verdict: Runtime Error):
a, b = map(int, input.split())
print(a * b % 2 == 0 ? "Even" : "Odd")

Fixed submission:
a, b = map(int, input().split())
print("Even" if a * b % 2 == 0 else "Odd")
Buggy python submission (verdict: Runtime Error):
a, b, c=map(int,input().split())
print(a+b+c)

Fixed submission:
a, b, c=map(int,list(input()))
print(a+b+c)