Buggy python submission (verdict: Time Limit Exceeded):
s = input()

count = 0

def str_del(str,index):
    str = str[:index]+str[index+1:]
    return str
 
string = s
can_remove = True
while can_remove:
  new_text = ''
  search_count_10 = string.count('10')
  if search_count_10 > 0:
    new_text = string.replace('10', '', search_count_10)
    count += search_count_10 * 2
    string = new_text

  search_count_01 = string.count('01')
  if search_count_01 > 0:
    new_text = string.replace('01', '', search_count_01)
    count += search_count_01 * 2
    string = new_text
  
  if search_count_01 == 0 and search_count_10 == 0:
    can_remove = False

print(count)


Fixed submission:
s = input()

count0 = s.count('0')
count1 = s.count('1')
print(min(count0, count1) * 2)

Buggy python submission (verdict: Time Limit Exceeded):
s = input()

count = 0
 
def str_del(str,index):
    str = str[:index]+str[index+1:]
    return str
 
string = s
can_remove = True
while can_remove:
  new_text = ''
  search_count = string.count('10')
  if search_count > 0:
    new_text = string.replace('10', '', search_count)
  else:
    search_count = string.count('01')
    if search_count > 0:
      new_text = string.replace('01', '', search_count)

  if new_text != string:
    string = new_text
    count += search_count * 2
    can_remove = True
  else:
    can_remove = False
 
print(count)


Fixed submission:
s = input()

count0 = s.count('0')
count1 = s.count('1')
print(min(count0, count1) * 2)

Buggy python submission (verdict: Runtime Error):
s = input()
 
count = 0
 
def str_del(str,index):
    str = str[:index]+str[index+1:]
    return str
 
def remove_cube(string, count):
  count = string.count('10')
  if count > 0:
    new_text = string.replace('10', '', count)
  count = string.count('01')
  if count > 0:
    new_text = string.replace('01', '', count)
  return new_text
 
string = s
can_remove = True
while can_remove:
  search_count = string.count('10')
  if search_count > 0:
    new_text = string.replace('10', '', search_count)
  else:
    search_count = string.count('01')
    if search_count > 0:
      new_text = string.replace('01', '', search_count)

  if new_text != string:
    string = new_text
    count += search_count * 2
    can_remove = True
  else:
    can_remove = False
 
print(count)


Fixed submission:
s = input()

count0 = s.count('0')
count1 = s.count('1')
print(min(count0, count1) * 2)

Buggy python submission (verdict: Time Limit Exceeded):
s = input()

count = 0

def str_del(str,index):
    str = str[:index]+str[index+1:]
    return str

def remove_cube(string):
  new_text = string.replace('10', '', 1)
  if new_text == string:
    new_text = string.replace('01', '', 1)
  return new_text

string = s
can_remove = True
while can_remove:
  removed = remove_cube(string)
  if removed != string:
    string = removed
    count += 2
    can_remove = True
  else:
    can_remove = False

print(count)


Fixed submission:
s = input()

count0 = s.count('0')
count1 = s.count('1')
print(min(count0, count1) * 2)

Buggy python submission (verdict: Runtime Error):
s = input()

count = 0

def str_del(str,index):
    str = str[:index]+str[index+1:]
    return str

def remove_cube(string):
  for i in range(0, len(string)):
    print(len(string))
    if i+1 >= len(string):
      return string
    elif string[i] != string[i+1]:
      string = str_del(string, i)
      string = str_del(string, i)
      return string

string = s
can_remove = True
while can_remove:
  removed = remove_cube(string)
  if removed != string:
    string = removed
    count += 2
    can_remove = True
  else:
    can_remove = False

print(count)


Fixed submission:
s = input()

count0 = s.count('0')
count1 = s.count('1')
print(min(count0, count1) * 2)