Buggy python submission (verdict: Time Limit Exceeded):
import re
a = input()
operations = 0
while re.search("01", a) or re.search("10", a):
    if re.search("01", a):
        a = a.replace("01", "", 1)
        operations += 2
    if re.search("10", a):
        a = a.replace("10", "", 1)
        operations += 2
print(operations)

Fixed submission:
s = input()
print(2*(min(s.count("0"), s.count("1"))))

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


#s = int(s)
#s = str(s)

flag = 1
cont = 0


while(flag):
    flag = 0
    for x in range(0, len(s)):
        if  x+1 < len(s) and s[x] == '1' and s[x+1] == '0':
            cont = cont + 2
            flag = 1
            aux = s[:x]
            aux2 = s[x+2: len(s)]
            s = aux + aux2
            break
        elif x+1 < len(s) and s[x] == '0' and s[x+1] == '1':
            cont = cont + 2
            flag = 1
            aux = s[:x]
            aux2 = s[x+2: len(s)]
            s = aux + aux2
            break

print(cont)

Fixed submission:
s = input()
print(2*(min(s.count("0"), s.count("1"))))

Buggy python submission (verdict: Runtime Error):
for a in Str:
    Codigo.append(a)

lenMax=len(Codigo)-1
k=0

while i < len(Codigo)-1:
    try:
        lenAnterior = len(Codigo)-1
    
        if Codigo[i] == "0" and Codigo[i+1]=="1":
            contador+=2
            Codigo.pop(i)
            Codigo.pop(i)
        elif Codigo[i] == "1" and Codigo[i+1]=="0":
            contador+=2
            Codigo.pop(i)
            Codigo.pop(i)
        
        if lenAnterior != len(Codigo)-1:
            i=i-1
        else:
            i=i+1

        k+=1

        if k >= lenMax:
            break
    except:
        break
    
print(contador)

Fixed submission:
s = input()
print(2*(min(s.count("0"), s.count("1"))))

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

aux = 0

while '01' in s or '10' in s:
    if '01' in s:
        s = s.replace('01', '', 1)
        aux += 2
    if '10' in s:
        s = s.replace('10', '', 1)
        aux += 2

print(aux)


Fixed submission:
s = input()
print(2*(min(s.count("0"), s.count("1"))))

Buggy python submission (verdict: Time Limit Exceeded):
S = list(input())
size = len(S)
to_remove = []
last_size = len(S)
while True:
    i = 0
    while i < len(S)-1:
        if S[i] != S[i+1]:
            to_remove.append(i)
            to_remove.append(i+1)
            i+=1
        i+=1
    to_remove.reverse()
    for t in to_remove:
        del S[t]
    to_remove = []
    if last_size == len(S) or len(S) == 0:
        break
    else:
        last_size = len(S)
print(size-len(S))

Fixed submission:
s = input()
print(2*(min(s.count("0"), s.count("1"))))

Buggy python submission (verdict: Time Limit Exceeded):
num = input()
predicted_value = 0
finished = False
i = 1
while i < len(num):
    if num[i] != num[i-1]:
        num = num[:i-1] + num[i+1:]
        predicted_value += 2
        i = 0
    i += 1
print(predicted_value)

Fixed submission:
s = input()
print(2*(min(s.count("0"), s.count("1"))))

Buggy python submission (verdict: Time Limit Exceeded):
s=list(input())   
adj=-1
op=0

while(adj==-1):
    adj=0
    for i in range(1,len(s)):
        if(s[i]!=s[i-1]):
            adj=-1
            del(s[i], s[i-1])
            op+=2
            break
         
print(op)


Fixed submission:
s = input()
print(2*(min(s.count("0"), s.count("1"))))