Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
def locnt(s):
    index = 0
    lopair = 0
    s = list(s)
    while(index <= len(s)-2):
        if (s[index] != s[index+1]):
            lopair += 1
            index += 2
        else :
            index += 1
    return lopair

ans = 0
s = input()
lopair = locnt(s)
while(lopair):
    i = 0
    s = list(s)
    while(lopair):
        if s[i] != s[i+1]:
            lopair -= 1
            ans += 2
            s[i] = ""
            s[i+1] = ""
            i += 2
        else:
            i += 1
    s = "".join(s)
    lopair = locnt(s)
print(ans)

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

Buggy python submission (verdict: Time Limit Exceeded):
def locnt(s):
    index = 0
    lopair = 0
    s = list(s)
    while(index <= len(s)-2):
        if (s[index] != s[index+1]):
            lopair += 1
            index += 2
        else :
            index += 1
    return lopair

ans = 0
s = input()
lopair = locnt(s)
while(lopair):
    i = 0
    s = list(s)
    while(lopair):
        if s[i] != s[i+1]:
            lopair -= 1
            ans += 2
            s.pop(i)
            s.pop(i)
        else:
            i += 1
    s = "".join(s)
    lopair = locnt(s)
print(ans)

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

Buggy python submission (verdict: Time Limit Exceeded):
def locnt(s):
    index = 0
    lopair = 0
    while(index <= len(s)-2):
        if (s[index] != s[index+1]):
            lopair += 1
            index += 2
        else :
            index += 1
    return lopair

ans = 0
s = input()
lopair = locnt(s)
while(lopair):
    s = list(s)
    n = lopair
    i = 0
    while(n):
        if s[i] != s[i+1]:
            n -= 1
            ans += 2
            s.pop(i)
            s.pop(i)
        else:
            i += 1
    s = "".join(s)
    lopair = locnt(s)
print(ans)

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

Buggy python submission (verdict: Time Limit Exceeded):
def locnt(s):
    index = 0
    lopair = 0
    while(index <= len(s)-2):
        if (s[index] != s[index+1]):
            lopair += 1
            index += 2
        else :
            index += 1
    return lopair

ans = 0
s = input()
lopair = locnt(s)
while(lopair):
    s = list(s)
    n = lopair
    i = 0
    while(n):
        if s[i] != s[i+1]:
            n -= 1
            ans += 2
            s[i] = '9'
            s[i+1] = '9'
            i += 2
        else:
            i += 1
    s = "".join(s).replace('9', "")
    lopair = locnt(s)
print(ans)

Fixed submission:
s=input();f=s.count;print(2*min(f("1"),f("0")))
Buggy python submission (verdict: Runtime Error):
n, m = map(int, input(),split())
if m % n :
  print(m - n)
else :
  print(n + m)
  

Fixed submission:
n, m = map(int, input().split())
if m % n :
  print(m - n)
else :
  print(n + m)
Buggy python submission (verdict: Runtime Error):
n = int(input())
nums = list(map(int, input().split()))
mx = nums.pop(max(nums))
if mx < sum(nums):
  print("Yes")
else :
  print("No")
  

Fixed submission:
n = int(input())
nums = list(map(int, input().split()))
mx = nums.pop(nums.index(max(nums)))
if mx < sum(nums):
  print("Yes")
else :
  print("No")
Buggy python submission (verdict: Runtime Error):
def main():
    n, m, *x = map(int, open(0).read().split())
    x.sort()

    if m==1:print(0);exit()

    piece = [0]*(n-1)
    itvl = [[x[i+1]-x[i], i]for i in range(m-1)]
    j = 0
    for i in sorted(itvl, key=lambda x:-x[0]):
        if piece[-1]: break
        piece[j] = i[1]
        j += 1

    ans = x[-1]-x[0]
    for i in piece: ans -= itvl[i][0]
    print(ans)

if __name__=="__main__":main()

Fixed submission:
n,m,*x=map(int,open(0).read().split());x.sort();print(sum(sorted([x[i+1]-x[i]for i in range(m-1)])[:m-n])if n<m else 0)
Buggy python submission (verdict: Runtime Error):
list = input().split()
X = list[0]
Y = list[1]

price = X + Y/2
print(price)

Fixed submission:
list = input().split()
X = list[0]
Y = list[1]

price = round(int(X) + (int(Y)/2))
print(price)

Buggy python submission (verdict: Runtime Error):
list = input().split
X = list[0]
Y = list[1]

price = X + Y/2
print(price)

Fixed submission:
list = input().split()
X = list[0]
Y = list[1]

price = round(int(X) + (int(Y)/2))
print(price)
Buggy python submission (verdict: Runtime Error):
from sys import stdin
input = stdin.readline
n, m = map(int, input().split())

ans = sorted([list(map(int, input().split()))+[i] for i in range(m)], key=lambda x:x[1])

built = [1]*m
for i in range(m):
    ans[i][1] = built[ans[i][0]-1]
    built[ans[i][0]-1] += 1

for i in sorted(ans,key=lambda x:x[2]): print("%06d%06d" % (i[0],i[1]))

Fixed submission:
from sys import stdin
input = stdin.readline
n, m = map(int, input().split())

ans = sorted([list(map(int, input().split()))+[i] for i in range(m)], key=lambda x:x[1])

built = [1]*n
for i in range(m):
    ans[i][1] = built[ans[i][0]-1]
    built[ans[i][0]-1] += 1

for i in sorted(ans,key=lambda x:x[2]): print("%06d%06d" % (i[0],i[1]))

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
a = [list(map(int,input().split())) for i in range(m)]
p = [[] for i in range(n)]
for i,j in sorted(a, key=lambda x:x[1]): p[i-1].append(j)
for i,j in a:
	high6 = str(i).zfill(6)
	low6 = str(p[i-1].index(j)+1).zfill(6)
	print(high6+low6)

Fixed submission:
from sys import stdin
input = stdin.readline
n, m = map(int, input().split())

ans = sorted([list(map(int, input().split()))+[i] for i in range(m)], key=lambda x:x[1])

built = [1]*n
for i in range(m):
    ans[i][1] = built[ans[i][0]-1]
    built[ans[i][0]-1] += 1

for i in sorted(ans,key=lambda x:x[2]): print("%06d%06d" % (i[0],i[1]))

Buggy python submission (verdict: Time Limit Exceeded):
n, m = map(int, input().split())
a = [list(map(int,input().split())) for i in range(m)]
p = [[]for i in range(n)]
for i,arr in enumerate(a): p[arr[0]-1].append(arr[1])
for i in range(n): p[i].sort()
for i,j in a:
	high6 = str(i).zfill(6)
	low6 = str(p[i-1].index(j)+1).zfill(6)
	print(high6+low6)

Fixed submission:
from sys import stdin
input = stdin.readline
n, m = map(int, input().split())

ans = sorted([list(map(int, input().split()))+[i] for i in range(m)], key=lambda x:x[1])

built = [1]*n
for i in range(m):
    ans[i][1] = built[ans[i][0]-1]
    built[ans[i][0]-1] += 1

for i in sorted(ans,key=lambda x:x[2]): print("%06d%06d" % (i[0],i[1]))

Buggy python submission (verdict: Runtime Error):
n, m = map(int, input().split())
py = [list(map(int, input().split()))for i in range(m)]
pre = [[] for i in range(n)]
for i in range(3): pre[py[i][0]-1].append(py[i][1])
for i in range(n): pre[i].sort()
for i in range(3):
    j = pre[py[i][0]-1].index(py[i][1])
    print("%06d%06d" % (py[i][0], j+1))

Fixed submission:
from sys import stdin
input = stdin.readline
n, m = map(int, input().split())

ans = sorted([list(map(int, input().split()))+[i] for i in range(m)], key=lambda x:x[1])

built = [1]*n
for i in range(m):
    ans[i][1] = built[ans[i][0]-1]
    built[ans[i][0]-1] += 1

for i in sorted(ans,key=lambda x:x[2]): print("%06d%06d" % (i[0],i[1]))
Buggy python submission (verdict: Runtime Error):
a, b, c = map(int, input().split())
list = []
list.append( max(a,b)-min(a,b) )
list.append( max(b,c)-min(b,c) )
list.append( max(a,c)-min(a,c) )

mini = list.pop(min(list))
ans = mini + min(list)

print(ans)

Fixed submission:
a = list(map(int, input().split()))
a.sort()
#print(a)
ans = (a[2]-a[1])+(a[1]-a[0])
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = list(input())
mn = 300000

e = []
w = []
for c in s:
    if c == "E":
        e.append(1)
        w.append(0)
    else:
        e.append(0)
        w.append(1)

for i in range(n):
    mn = min(mn, sum(w[:i])+sum(e[i+1:]))
print(mn)

Fixed submission:
n = int(input())
s = list(input())
ans = s[1:].count("E")
tmp = ans

for i in range(1, n):
    if s[i]=="E": tmp -= 1
    if s[i-1]=="W": tmp += 1
    ans = min(tmp, ans)
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = list(input())
mn = 300000
for i in range(n):
    mn = min(mn, s[:i].count("W")+s[i+1:].count("E"))
print(mn)

Fixed submission:
n = int(input())
s = list(input())
ans = s[1:].count("E")
tmp = ans

for i in range(1, n):
    if s[i]=="E": tmp -= 1
    if s[i-1]=="W": tmp += 1
    ans = min(tmp, ans)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = list(map(int, input().split()))
sa = sorted(a)
for i in range(n):
    if sa.index(a[i])<n//2: print(sa[n//2])
    else: print(sa[n//2-1])

Fixed submission:
n,*x=map(int, open(0).read().split());xc=sorted(x);
for i in x:print(xc[n//2-(i>(xc[n//2-1]+xc[n//2])/2)])

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
x = list(map(int, input().split()))
s = sorted(x)
for i in x:
    cp = s.copy()
    del cp[cp.index(i)]
    print(cp[n//2-1])

Fixed submission:
n,*x=map(int, open(0).read().split());xc=sorted(x);
for i in x:print(xc[n//2-(i>(xc[n//2-1]+xc[n//2])/2)])

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
x = list(map(int, input().split()))
for i in range(n):
    cp =x.copy()
    del cp[i]
    print(sorted(cp)[n//2-1])

Fixed submission:
n,*x=map(int, open(0).read().split());xc=sorted(x);
for i in x:print(xc[n//2-(i>(xc[n//2-1]+xc[n//2])/2)])
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
balls = list(map(int, input().split()))
amo = []

kinds = set(balls)
amo = sorted([balls.count(i) for i in kinds])
print(sum(amo[:max(0, len(kinds)-k)]))

Fixed submission:
n, k = map(int, input().split())
balls = sorted(input().split())
kinds = len(set(balls))
amo = [1] * kinds

balls.append(0)
j = 0
for i in range(n):
    if balls[i] == balls[i+1]:
        amo[j] += 1
    else:
        j += 1
amo.sort()
print(sum(amo[:max(0, kinds-k)]))
Buggy python submission (verdict: Runtime Error):
input(); a = sorted(map(int, input().split()), reverse=True)
print(sum(a[0::2])-sum(a[1::2]))

Fixed submission:
n = int(input())
L0, L1 = 2, 1
while True:
    if n == 1:
        print(L1)
        exit()
    L0 += L1
    n -= 1
    if n == 1:
        print(L0)
        exit()
    L1 += L0
    n -= 1
Buggy python submission (verdict: Runtime Error):
x, y = input().split();Sprint("=" if x==y else "<>"[x>y::2])

Fixed submission:
x, y = input().split();print("=" if x==y else "<>"[x>y::2])
Buggy python submission (verdict: Time Limit Exceeded):
def lowerBound(arr, n):
    arr += [10e9+7]
    low, high = 0, len(arr)
    mid = (low+high)//2
    while high-low>1:
        if arr[mid]>=n: high = mid
        else: low = mid
        mid = (low+high)//2
    return high

def upperBound(arr, n):
    arr = [0] + arr
    low, high = 0, len(arr)
    mid = (low+high)//2
    while high-low>1:
        if arr[mid]>n: high = mid
        else: low = mid
        mid = (low+high)//2
    return low

n = int(input())
a = sorted(map(int, input().split()))
b = sorted(map(int, input().split()))
c = sorted(map(int, input().split()))

ans = 0
for i in b:
    cnt_a = lowerBound(a, i)
    cnt_b = n - upperBound(c, i)
    ans += cnt_a * cnt_b
print(ans)

Fixed submission:
def lowerBound(arr, n):
    low, high = -1, len(arr)
    while high-low>1:
        mid = (low+high)//2
        if arr[mid]>=n: high = mid
        else: low = mid
    return high

def upperBound(arr, n):
    low, high = -1, len(arr)
    while high-low>1:
        mid = (low+high)//2
        if arr[mid]>n: high = mid
        else: low = mid
    return low+1

n = int(input())
a = sorted(map(int, input().split()))
b = sorted(map(int, input().split()))
c = sorted(map(int, input().split()))

ans = 0
for i in b:
    cnt_a = lowerBound(a, i)
    cnt_b = n - upperBound(c,i)
    ans += cnt_a * cnt_b
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
top = sorted(list(map(int, input().split())))
mid = sorted(list(map(int, input().split())))
bot = sorted(list(map(int, input().split())))

midc = [0]*n
for i in range(n):
    cnt = 0
    for j in range(n):
        if mid[i]>top[j]: cnt += 1
    midc[i] = cnt

botc = [0]*n
for i in range(n):
    cnt = 0
    for j in range(n):
        if bot[i]>mid[j]: cnt += 1
    botc[i] = cnt

ans = 0
for i in range(n):
    ans += sum(midc[:botc[i]])
print(ans)

Fixed submission:
def lowerBound(arr, n):
    low, high = -1, len(arr)
    while high-low>1:
        mid = (low+high)//2
        if arr[mid]>=n: high = mid
        else: low = mid
    return high

def upperBound(arr, n):
    low, high = -1, len(arr)
    while high-low>1:
        mid = (low+high)//2
        if arr[mid]>n: high = mid
        else: low = mid
    return low+1

n = int(input())
a = sorted(map(int, input().split()))
b = sorted(map(int, input().split()))
c = sorted(map(int, input().split()))

ans = 0
for i in b:
    cnt_a = lowerBound(a, i)
    cnt_b = n - upperBound(c,i)
    ans += cnt_a * cnt_b
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
from sys import stdin
n = int(stdin.readline())
memo = []
for i in range(n):
    m = int(stdin.readline())
    if m in memo: del memo[memo.index(m)]
    else: memo.append(m)
print(len(memo))

Fixed submission:
memo = set()
for i in range(int(input())):
    a = input()
    if a in memo: memo.remove(a)
    else: memo.add(a)
print(len(memo))

Buggy python submission (verdict: Time Limit Exceeded):
from sys import stdin
n = int(stdin.readline())
memo = []
for i in range(n):
    m = int(stdin.readline())
    if m in memo: memo.pop(memo.index(m))
    else: memo.append(m)
print(len(memo))

Fixed submission:
memo = set()
for i in range(int(input())):
    a = input()
    if a in memo: memo.remove(a)
    else: memo.add(a)
print(len(memo))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
nums = [int(input()) for _ in range(n)]
memo = set(nums)
ans = 0
for m in memo:
    if nums.count(m)%2: ans += 1
print(ans)

Fixed submission:
memo = set()
for i in range(int(input())):
    a = input()
    if a in memo: memo.remove(a)
    else: memo.add(a)
print(len(memo))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
memo = []
for i in range(n):
    m = int(input())
    if m in memo: memo.pop(memo.index(m))
    else: memo.append(m)
print(len(memo))

Fixed submission:
memo = set()
for i in range(int(input())):
    a = input()
    if a in memo: memo.remove(a)
    else: memo.add(a)
print(len(memo))
Buggy python submission (verdict: Runtime Error):
from math import gcd
from functools import reduce

def lcm(x, y):
    return x*y // gcd(x, y)

n = int(input())
nums = [int(input()) for _ in range(n)]
print(reduce(lcm, nums))

Fixed submission:
from functools import reduce

def gcd(a, b):
    while b:
        a, b = b, a%b
    return a

def lcm(x, y):
    return x*y // gcd(x, y)

n = int(input())
nums = [int(input()) for _ in range(n)]
print(reduce(lcm, nums))
Buggy python submission (verdict: Runtime Error):
if a/3 == 0 or b/3 == 0 or (a+b)/3 == 0:
  print("Possible")
else :
  print("Inpossible")


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

if a%3 == 0 or b%3 == 0 or (a+b)%3 == 0:
  print("Possible")
else :
  print("Impossible")
Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
ans = 0

nums = list(map(int, input().split()))

nums.sort(reverse="True")

for i in range(k):
  ans += nums.pop(0)
  
print(ans)

Fixed submission:
n, k = map(int, input().split())
ans = 0

nums = list(map(int, input().split()))

nums.sort(reverse=True)

for i in range(k):
  ans += nums.pop(0)
  
print(ans)

Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
ans = 0

nums = list(map(int, input().split()))

nums.sort

for i in range(k):
  ans += pop.nums(0)
  
print(ans)

Fixed submission:
n, k = map(int, input().split())
ans = 0

nums = list(map(int, input().split()))

nums.sort(reverse=True)

for i in range(k):
  ans += nums.pop(0)
  
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
dec = list(map(int, input().split()))
diff = []
for i in range(1, n):
    diff.append(abs(sum(dec[:i])-sum(dec[i:])))
print(min(diff))

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

snk = a[0]
ari = sum(a)-snk
ans = abs(snk-ari)
for i in range(n-2):
    snk += a[i+1]
    ari -= a[i+1]
    ans = min(ans, abs(snk-ari))
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
As = list(map(int, input().split()))
sunuke = 0
anslist = []

for i in range(n-1):
  sunuke += As[i]
  arai = sum(As) - sunuke
  
  anslist.append(abs(sunuke-arai))

print(min(anslist))

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

snk = a[0]
ari = sum(a)-snk
ans = abs(snk-ari)
for i in range(n-2):
    snk += a[i+1]
    ari -= a[i+1]
    ans = min(ans, abs(snk-ari))
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
def main():
    n = int(input())
    a = input().split()
    ans = []
    add = ans.append
    rev = ans.reverse
    for i in range(n):
        add(a[i])
        rev()
    print(" ".join(ans))
if __name__=="__main__": main()

Fixed submission:
def main():
    n = int(input())
    a = input().split()
    if n%2: ans = a[n-1::-2] + a[1:n-1:2]
    else: ans = a[n-1:0:-2] + a[0:n-1:2]
    print(" ".join(ans))
if __name__=="__main__": main()

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

for i in range(n):
    if i%2: b.insert(0, a[i])
    else: b.append(a[i])
print(" ".join(map(str, b[::(-1)**(n%2)])))

Fixed submission:
def main():
    n = int(input())
    a = input().split()
    if n%2: ans = a[n-1::-2] + a[1:n-1:2]
    else: ans = a[n-1:0:-2] + a[0:n-1:2]
    print(" ".join(ans))
if __name__=="__main__": main()

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
nums = input().split()
ans = []
for num in nums:
    ans.append(num)
    ans = ans[::-1]
print(" ".join(ans))

Fixed submission:
def main():
    n = int(input())
    a = input().split()
    if n%2: ans = a[n-1::-2] + a[1:n-1:2]
    else: ans = a[n-1:0:-2] + a[0:n-1:2]
    print(" ".join(ans))
if __name__=="__main__": main()
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = [int(input()) for _ in range(n)]

count = 0
i = 0
while count <= 10e+7:
    count += 1
    if a[i] == 2:
        print(count)
        break
    else:
        i = a[i]-1
else:
    print(-1)

Fixed submission:
n = int(input())
a = [int(input()) for _ in range(n)]

count = 0
i = 0
while count <= 10e+5:
    count += 1
    if a[i] == 2:
        print(count)
        break
    else:
        i = a[i]-1
else:
    print(-1)
Buggy python submission (verdict: Runtime Error):
n = int(input());l = [0]*9
for i in map(int, input().split()):l[i//400]+=1
mn = len(list(filter(lambda x:x>0, l[:8])))
print(mn, min(8, mn+l[8]))

Fixed submission:
n = int(input());l = [0]*9
for i in map(int, input().split()):l[min(8,i//400)]+=1
mn = len(list(filter(lambda x:x>0, l[:8])))
print(max(1, mn), mn+l[8])
Buggy python submission (verdict: Runtime Error):
from sys import exit
n, m = map(int, input().split())
s1 = " ".join([input() for _ in range(n)])
s2 = [input() for _ in range(m)]
flag = True

i = 0
while i < m:
    #try:
        if s1.count(s2[i]) == 0:
            print("No")
            exit()
        ind = s1.index(s2[i])
        s1 = list(s1)
        del s1[ind]
        s1 = "".join(s1)
        if s1[ind+n+1:ind+n+m+1:] == s2[i+1]:
            i += 1
    #except:
        """print("No")
        exit()"""
print("Yes")

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

for i in range(n-m+1):
    for j in range(n-m+1):
        if a[i][j] == b[0][0]:
            cnt = 0
            for k in range(m):
                if a[i+k][j:j+m] == b[k]: cnt+=1
            if cnt == m:
                print("Yes")
                exit()
print("No")
Buggy python submission (verdict: Time Limit Exceeded):
k, s = map(int, input().split())
ans = 0
for l in range(k+1):
  for n in range(k+1):
    for m in range(k+1):
      if l+n+m==s: ans += 1
print(ans)

Fixed submission:
k, s = map(int, input().split())
ans = 0
for i in range(k+1):
    for j in range(k+1):
        if 0 <= s-i-j <= k: ans += 1
print(ans)
Buggy python submission (verdict: Runtime Error):
a, b, c = input().split()
if b == '+':
  print(a+c)
else:
  print(a-c)

Fixed submission:
a, b, c = input().split()
if b == '+':
  print(int(a)+int(c))
else:
  print(int(a)-int(c))
Buggy python submission (verdict: Runtime Error):
def main(): 
  MOD = 10e9+7
  n = int(input())
  a = sorted(map(int, input().split()))
  ans = 2**(n//2)
  if n%2:
    if a.pop(0)!=0:ans=0
  i = n%2 - 1
  for j in range(n//2):
    i += 2
    if a[j*2]!=i or a[j*2+1]!=i: ans=0
  print(int(ans%MOD))

if __name__=="__main__":main()

Fixed submission:
n=int(input())
a=sorted(map(int, input().split()))
if n%2: b = [i if not(i%2) else i+1 for i in range(n)]
else: b = [i if i%2 else i+1 for i in range(n)]
if a==b:print((2**(n//2))%(10**9+7))
else: print(0)

Buggy python submission (verdict: Runtime Error):
def main(): 
  MOD = 10e9+7
  n = int(input())
  a = sorted(map(int, input().split()))
  ans = 2**(n//2)%MOD
  if n%2:
    if a.pop(0)!=0:ans=0
  i = n%2 - 1
  for j in range(n//2):
    i += 2
    if a[j*2]!=i or a[j*2+1]!=i: ans=0
  print(int(ans))

if __name__=="__main__":main()

Fixed submission:
n=int(input())
a=sorted(map(int, input().split()))
if n%2: b = [i if not(i%2) else i+1 for i in range(n)]
else: b = [i if i%2 else i+1 for i in range(n)]
if a==b:print((2**(n//2))%(10**9+7))
else: print(0)
Buggy python submission (verdict: Runtime Error):
s = list(input())
ans = []
for i in range(len(s)):
    if s[i] == '0' or s[i] == '1':
        ans.append(s[i])
    else:
        if len(ans) > 0:
            ans.pop(i-1)
print("".join(ans))

Fixed submission:
s = list(input())
ans = []
for i in range(len(s)):
    if s[i] == '0' or s[i] == '1':
        ans.append(s[i])
    else:
        if len(ans) > 0:
            ans.pop(-1)
print("".join(ans))
Buggy python submission (verdict: Runtime Error):
def getdata_input():
    while True:
        yield input()

def callFunc2(it):
    A0,B0,K=map(int, next(it).split())
    A=[0]
    B=[0]
    n=K//2

    A.append(min(n,A0))
    B.append(min(n,B0))

    n=K-(sum(A)+sum(B))
    
    if n>0:
        t=A0-sum(A)
        A.append(min(n, t))
        n=n-t
    if n > 0:
        t=B0-sum(B)
        B.append(min(n,t))
    return(f'{A0-sum(A)} {B0-sum(B)}')
  
it=getdata_input()
print(callFunc2(it))

Fixed submission:
def getdata_input():
    while True:
        yield input()
def callFunc2(it):
    A0,B0,K=map(int, next(it).split())
    A=[0]
    B=[0]
    
    t=min(K,A0)
    A.append(t)
    t=min(K-t,B0)
    B.append(min(t,B0))
    return(" ".join([str(A0-sum(A)), str(B0-sum(B))]))
  
it=getdata_input()
print(callFunc2(it))
Buggy python submission (verdict: Runtime Error):
def s_gen():
    for x in S: 
        yield x
def t_gen():
    for x in T:
        yield x
        

N=int(input())
S=input()[:N]
T=input()[:N]
it=s_gen()
it2=t_gen()

print("".join([next(it)+next(it2) for _ in range(N)]))

Fixed submission:
def s_gen():
    for x in S: 
        yield x
def t_gen():
    for x in T:
        yield x
        

N=int(input())
S,T=input().split()
S,T=S[:N],T[:N]

it=s_gen()
it2=t_gen()

print("".join([next(it)+next(it2) for _ in range(N)]))
Buggy python submission (verdict: Runtime Error):
A1,A2,A3=map(int, input().split())
print(f'{"bust" if A1+A2+A3>=22 else "win"}' )

Fixed submission:
A1,A2,A3=map(int, input().split())
if A1+A2+A3>=22:
  print("bust")
else:
  print("win")
Buggy python submission (verdict: Runtime Error):
t, x = map(int input().split())

print(t / x)

Fixed submission:
t, x = map(int, input().split())

print(t / x)
Buggy python submission (verdict: Runtime Error):
x = input()
 
if x in "753":
  print("Yes")
else:
  print("No"

Fixed submission:
x = input()
 
if x in "753":
  print("YES")
else:
  print("NO")
Buggy python submission (verdict: Runtime Error):
s = int(input())

print(s.count(1))

Fixed submission:
s = input()

print(s.count("1"))