Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))
dict1 = {}
for i in range(N):
  if A[i] not in dict1.keys():
    dict1[A[i]] = 0
  else:
    dict1[A[i]] += 1
value1 = []
for value in dict1.values():
  value1.append(value)
value2 = sorted(value1, reverse = True)
if value2[0] - value2[1] >= sum(value2[1:]):
  print(N - (value2[0] * 2))
else:
  if(sum(value2[0:]) % 2 == 0):
    print(len(value2))
  else:
    if len(value2) != 1:
      print(len(value2) - 1)
    else:
      print(1)


Fixed submission:
N = int(input())
A = list(map(int, input().split()))
dict1 = {}
for i in range(N):
  if A[i] not in dict1.keys():
    dict1[A[i]] = 0
  else:
    dict1[A[i]] += 1
value1 = []
for value in dict1.values():
  value1.append(value)
value2 = sorted(value1, reverse = True)
if len(value2) != 1:
  if value2[0] - value2[1] >= sum(value2[1:]):
    print(N - (value2[0] * 2))
  else:
    if(sum(value2[0:]) % 2 == 0):
      print(len(value2))
    else:
      print(len(value2) - 1)
else:
  print(1)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))
dict1 = {}
for i in range(N):
  if A[i] not in dict1.keys():
    dict1[A[i]] = 0
  else:
    dict1[A[i]] += 1
value1 = []
for value in dict1.values():
  value1.append(value)
value2 = sorted(value1, reverse = True)
if value2[0] - value2[1] >= sum(value2[1:]):
  print(N - (value2[0] * 2))
else:
  if(sum(value2[0:]) % 2 == 0):
    print(len(value2))
  else:
    if len(value2) != 0:
      print(len(value2) - 1)
    else:
      print(1)


Fixed submission:
N = int(input())
A = list(map(int, input().split()))
dict1 = {}
for i in range(N):
  if A[i] not in dict1.keys():
    dict1[A[i]] = 0
  else:
    dict1[A[i]] += 1
value1 = []
for value in dict1.values():
  value1.append(value)
value2 = sorted(value1, reverse = True)
if len(value2) != 1:
  if value2[0] - value2[1] >= sum(value2[1:]):
    print(N - (value2[0] * 2))
  else:
    if(sum(value2[0:]) % 2 == 0):
      print(len(value2))
    else:
      print(len(value2) - 1)
else:
  print(1)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))
dict1 = {}
for i in range(N):
  if A[i] not in dict1.keys():
    dict1[A[i]] = 0
  else:
    dict1[A[i]] += 1
value1 = []
for value in dict1.values():
  value1.append(value)
value2 = sorted(value1, reverse = True)
if value2[0] - value2[1] >= sum(value2[1:]):
  print(N - (value2[0] * 2))
else:
  if(sum(value2[0:]) % 2 == 0):
    print(len(value2))
  else:
    print(len(value2) - 1)

Fixed submission:
N = int(input())
A = list(map(int, input().split()))
dict1 = {}
for i in range(N):
  if A[i] not in dict1.keys():
    dict1[A[i]] = 0
  else:
    dict1[A[i]] += 1
value1 = []
for value in dict1.values():
  value1.append(value)
value2 = sorted(value1, reverse = True)
if len(value2) != 1:
  if value2[0] - value2[1] >= sum(value2[1:]):
    print(N - (value2[0] * 2))
  else:
    if(sum(value2[0:]) % 2 == 0):
      print(len(value2))
    else:
      print(len(value2) - 1)
else:
  print(1)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))
dict1 = {}
for i in range(N):
  if A[i] not in dict1.keys():
    dict1[A[i]] = 0
  else:
    dict1[A[i]] += 1
value1 = []
for value in dict1.values():
  value1.append(value)
value2 = sorted(value1, reverse = True)
if value2[0] - value2[1] >= sum(value2[1:]):
  print(N - (value2[0] * 2))
else:
  if(sum(value2[0:]) % 2 == 0):
    print(len(value2))
  else:
    print(len(value2 - 1))
    

Fixed submission:
N = int(input())
A = list(map(int, input().split()))
dict1 = {}
for i in range(N):
  if A[i] not in dict1.keys():
    dict1[A[i]] = 0
  else:
    dict1[A[i]] += 1
value1 = []
for value in dict1.values():
  value1.append(value)
value2 = sorted(value1, reverse = True)
if len(value2) != 1:
  if value2[0] - value2[1] >= sum(value2[1:]):
    print(N - (value2[0] * 2))
  else:
    if(sum(value2[0:]) % 2 == 0):
      print(len(value2))
    else:
      print(len(value2) - 1)
else:
  print(1)