Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
n=int(input())
a=list(map(int,input().split()))
count4=0
count2=0

for i in a:
  if i%4==0:
    count4+=1
  elif i%2==0:
    count2+=1

if count2==1:
  count1=len(a)-count4
else:
  count1=len(a)-count4-count2
if len(a)==1 and a[0]==2:
elif count1-count4<=1:
  print("Yes")
else:
  print("No")

Fixed submission:
n=int(input())
a=list(map(int,input().split()))
count4=0
count2=0

for i in a:
  if i%4==0:
    count4+=1
  elif i%2==0:
    count2+=1

if count2<1:
  count1=len(a)-count4
else:
  count1=len(a)-count4-count2+1
if count1-count4<=1:
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Runtime Error):
a,b=map(int,input().split())
if (a+b)>=10:
  print("error")
else:
  pirnt(a+b)

Fixed submission:
a,b=map(int,input().split())
if (a+b)>=10:
  print("error")
else:
  print(a+b)

Buggy python submission (verdict: Runtime Error):
a,b=map(int,input.split())

if a+b>=10:
  print("error")
else:
  print(a+b)

Fixed submission:
a,b=map(int,input().split())
if (a+b)>=10:
  print("error")
else:
  print(a+b)
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
a=(1,3,5,7,8,10,12)
b=(4,6,9,11)
c=(2)
flag=False
if n in a and m in a:
  flag=True
  print("Yes")
elif n in b and m in b:
  flag=True
  print("Yes")
elif n in c and m in c:
  flag=True
  print("Yes")
else:
  print("No")

Fixed submission:
n,m=map(int,input().split())
a=(1,3,5,7,8,10,12)
b=(4,6,9,11)
c=(2,)
if n in a and m in a:
  print("Yes")
elif n in b and m in b:
  print("Yes")
elif n in c and m in c:
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Runtime Error):
a,b,c=map(int,input().split())

if c>=a andc<=b:
  print("Yes")
else:
  print("No")

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

if c>=a and c<=b:
  print("Yes")
else:
  print("No")
Buggy python submission (verdict: Runtime Error):
n=int(input())
a=list(map(int,input().split()))

increase_flag=False
decrease_flag=False
answer=0

for i in range(len(a)-1):
  if increase_flag==False and decrease_flag==False:

    if a[i+1]>a[i]:
      increase_flag=True
      answer+=1
    elif a[i+1]<a[i]:
      decrease_flag=True
      answer+=1
      
  else:
    if decrease_flag==True and a[i+1]>a[i]:
      decrease_flag=False
    elif increase_flag==True and a[i+1]<a[i]:
      increase_flag=False

if increase_flag==False and decrease_flag==False:
  if a[i+1]>a[i]:
    increase_flag=True
    answer+=1
  elif a[i+1]<a[i]:
    decrease_flag=True
    answer+=1
print(answer)
      
    

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

increase_flag=False
decrease_flag=False
answer=0
if n!=1:
  for i in range(len(a)-1):
    if increase_flag==False and decrease_flag==False:

      if a[i+1]>a[i]:
        increase_flag=True
        answer+=1
      elif a[i+1]<a[i]:
        decrease_flag=True
        answer+=1
      
    else:
      if decrease_flag==True and a[i+1]>a[i]:
        decrease_flag=False
      elif increase_flag==True and a[i+1]<a[i]:
        increase_flag=False

  if increase_flag==False and decrease_flag==False:
    if a[-1]>a[-2]:
      increase_flag=True
      answer+=1
    elif a[-1]<a[-2]:
      decrease_flag=True
      answer+=1
  print(answer)
else:
  print(1)
Buggy python submission (verdict: Runtime Error):
a,b=map(int,input().split())
if a!=b:
  print("D")
else:
  print("H")

Fixed submission:
a,b=map(str,input().split())
if a!=b:
  print("D")
else:
  print("H")
Buggy python submission (verdict: Runtime Error):
w,a,b=map(str,input().split())
if (w+a)<b:
  print(b-w-a)
else:
  print(0)

Fixed submission:
w,a,b=map(int,input().split())
if (w+a)<b:
  print(b-w-a)
elif (b+w)<a:
  print(a-b-w)
else:
  print(0)
Buggy python submission (verdict: Runtime Error):
#a,b=map(int,input().split())
n=int(input())
#s=input()
ans=1
for i in range(n):
  ans*=(n%mod)
  ans%=mod
print(ans)

Fixed submission:
#a,b=map(int,input().split())
n=int(input())
mod=10**9+7
#s=input()
ans=1
for i in range(1,n+1):
  ans*=(i%mod)
  ans%=mod
print(ans%mod)

Buggy python submission (verdict: Runtime Error):
#a,b=map(int,input().split())
n=int(input())
#s=input()
ans=0
for i in range(n):
  ans*=(n%mod)
  ans%=mod
print(ans)

Fixed submission:
#a,b=map(int,input().split())
n=int(input())
mod=10**9+7
#s=input()
ans=1
for i in range(1,n+1):
  ans*=(i%mod)
  ans%=mod
print(ans%mod)
Buggy python submission (verdict: Runtime Error):
#a,b,c,d=map(int,input().split())
n=int(input())
s=input()
ans=0
for i in s:
  if i=="I":
    ans+=1
  elif i=="D":
    ans-=1
  
if x<0:
  print(0)
else:
  print(ans)

Fixed submission:
#a,b,c,d=map(int,input().split())
n=int(input())
s=input()
ans=0
hantei=0
for i in s:
  if i=="I":
    ans+=1
  elif i=="D":
    ans-=1
  if ans>hantei:
    hantei=ans
  
print(hantei)

Buggy python submission (verdict: Runtime Error):
#a,b,c,d=map(int,input().split())
n=int(input())
s=input()
ans=0
for i in s:
  if i=="I":
    ans+=1
  elif i=="D":
    ans-=1
  
if x<0:
  print(0)
else:
  print(x)

Fixed submission:
#a,b,c,d=map(int,input().split())
n=int(input())
s=input()
ans=0
hantei=0
for i in s:
  if i=="I":
    ans+=1
  elif i=="D":
    ans-=1
  if ans>hantei:
    hantei=ans
  
print(hantei)
Buggy python submission (verdict: Runtime Error):
a=int(iput())
b=int(input())
h=int(input())
print(int((a+b)*h/2))

Fixed submission:
a=int(input())
b=int(input())
h=int(input())
print( int( (a+b)*h/2 ) )
Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline

a,b,c,d = map(int,input().split())
answer = -10000000001
for x in range(a,b+1):
    for y in range(c,d+1):
        answer = max(answer,x*y)
print(answer)



Fixed submission:
import sys
from itertools import combinations
input = sys.stdin.readline

a,b,c,d = map(int,input().split())
h = []
h.append(a*c)
h.append(a*d)
h.append(b*c)
h.append(b*d)

print(max(h))
Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline

def multipleSum(A, n):
    sum = 0
    for i in range(n):
        for j in range(i + 1, n):
            sum += A[i] * A[j]
    return sum%1000000007

N = int(input())
A = list(map(int,input().split()))
n = len(A)
print(multipleSum(A,n))

Fixed submission:
import sys
input = sys.stdin.readline

def multipleSum(A, n):
    sum = 0
    for i in range(n):
        sum += A[i]
    mulsum = sum*sum
    insum = 0
    for i in range(n):
        insum+=A[i]*A[i]
    return (mulsum-insum)//2

N = int(input())
A = list(map(int,input().split()))
n = len(A)
print(multipleSum(A,n)%1000000007)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
from itertools import combinations

input = sys.stdin.readline

N = int(input())
A = list(map(int,input().split()))
B = list(combinations(A,2))
sum = 0
for i in range(len(B)):
    sum += B[i][0]*B[i][1]

print(sum%1000000007)



Fixed submission:
import sys
input = sys.stdin.readline

def multipleSum(A, n):
    sum = 0
    for i in range(n):
        sum += A[i]
    mulsum = sum*sum
    insum = 0
    for i in range(n):
        insum+=A[i]*A[i]
    return (mulsum-insum)//2

N = int(input())
A = list(map(int,input().split()))
n = len(A)
print(multipleSum(A,n)%1000000007)
Buggy python submission (verdict: Runtime Error):
n = int(input())
num = [0] * 1001
for i in range(1, 142):
    for j in range(1, 142):
        for k in range(1, 142):
            temp = i + j + k
            if temp % 2 == 0:
                if i + j > k and j + k > i and k + i > j:
                    temp2 = (i ** 2 + j ** 2 + k ** 2) // 2
                    if 0 <= temp2 <= 1000:
                        num[temp2] += 1
for i in range(1, n + 1):
    print(num[i])

Fixed submission:
n = int(input())
num = [0] * 10001
for i in range(1, 142):
    for j in range(1, 142):
        for k in range(1, 142):
            temp = i + j + k
            if temp % 2 == 0:
                if i + j > k and j + k > i and k + i > j:
                    temp2 = (i ** 2 + j ** 2 + k ** 2) // 2
                    if 0 <= temp2 <= 10000:
                        num[temp2] += 1
for i in range(1, n + 1):
    print(num[i])

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
for i in range(1, n + 1):
    count = 0
    num = int(n ** 0.5)
    for j in range(1, num + 1):
        for k in range(1, num + 1):
            for l in range(1, num + 1):
                if j ** 2 + k ** 2 + l ** 2 + j * k + k * l + l * j == i:
                    count += 1
    print(count)

Fixed submission:
n = int(input())
num = [0] * 10001
for i in range(1, 142):
    for j in range(1, 142):
        for k in range(1, 142):
            temp = i + j + k
            if temp % 2 == 0:
                if i + j > k and j + k > i and k + i > j:
                    temp2 = (i ** 2 + j ** 2 + k ** 2) // 2
                    if 0 <= temp2 <= 10000:
                        num[temp2] += 1
for i in range(1, n + 1):
    print(num[i])
Buggy python submission (verdict: Runtime Error):
import random, copy

D = int(input())
c = list(map(int, input().split()))
s = []
for i in range(D):
    s.append(list(map(int, input().split())))
t = []
temp = [0] * 26
for i in range(D):
    num = []
    num2 = []
    for j in range(26):
        temp2 = [temp[k] + 1 for k in range(26)]
        temp2[j] = 0
        temp3 = s[i][j]
        for k in range(26):
            temp3 -= temp2[k] * c[k]
        num.append(temp3)
        num2.append(temp2)
    index = num.index(max(num)) + 1
    t.append(index)
    temp = num2[index]
dq = [[random.randint(1, D), random.randint(1, 26)] for i in range(10 ** 5)]
last0 = []
last = [0] * 26
score = 0
for i in range(D):
    contest = t[i] - 1
    score += s[i][contest]
    last = [last[i] + 1 for i in range(26)]
    last[contest] = 0
    last0.append(last)
    for j in range(26):
        score -= c[j] * last[j]
ans = t
for i in range(10 ** 5):
    temp = score
    temp2 = copy.copy(t)
    d, q = dq[i][0] - 1, dq[i][1] - 1
    contest = t[d] - 1
    score += s[d][q]
    score -= s[d][contest]
    num = last0[d][q] - last0[d][contest]
    for j in range(d, D):
        if last0[j][q] == 0:
            break
        else:
            score += c[q] * num
            last0[j][q] -= num
    for j in range(d, D):
        if last0[j][contest] == 0:
            if j == d:
                score -= c[contest] * num
                last0[j][contest] += num
                pass
            else:
                break
        else:
            score -= c[contest] * num
            last0[j][contest] += num
    t[d] = q + 1
    if temp < score:
        ans = copy.copy(t)
for i in ans:
    print(i)

Fixed submission:
import random, copy

D = int(input())
c = list(map(int, input().split()))
s = []
for i in range(D):
    s.append(list(map(int, input().split())))
t = [random.randint(1, 26) for i in range(D)]
dq = [[random.randint(1, D), random.randint(1, 26)] for i in range(10 ** 5)]
last0 = []
last = [0] * 26
score = 0
for i in range(D):
    contest = t[i] - 1
    score += s[i][contest]
    last = [last[i] + 1 for i in range(26)]
    last[contest] = 0
    last0.append(last)
    for j in range(26):
        score -= c[j] * last[j]
ans = t
for i in range(10 ** 5):
    temp = score
    temp2 = copy.copy(t)
    d, q = dq[i][0] - 1, dq[i][1] - 1
    contest = t[d] - 1
    score += s[d][q]
    score -= s[d][contest]
    num = last0[d][q] - last0[d][contest]
    for j in range(d, D):
        if last0[j][q] == 0:
            break
        else:
            score += c[q] * num
            last0[j][q] -= num
    for j in range(d, D):
        if last0[j][contest] == 0:
            if j == d:
                score -= c[contest] * num
                last0[j][contest] += num
                pass
            else:
                break
        else:
            score -= c[contest] * num
            last0[j][contest] += num
    t[d] = q + 1
    if temp < score:
        ans = copy.copy(t)
for i in ans:
    print(i)
Buggy python submission (verdict: Time Limit Exceeded):
import copy

n = int(input())
a = list(map(int, input().split()))
size = max(a)
a.sort()
a2 = copy.copy(a)
b = [0] * (size + 1)
while a:
    test = a.pop(0)
    count = 1
    if not a:
        pass
    else:
        while a[0] == test:
            a.pop(0)
            count += 1
            if not a:
                break
    for i in range(size // test):
        b[test * (i + 1)] += count
ans = 0
for i in range(n):
    if b[a2[i]] == 1:
        ans += 1
print(ans)

Fixed submission:
import copy, collections

n = int(input())
a = list(map(int, input().split()))
size = max(a)
a.sort()
a = collections.deque(a)
a2 = copy.copy(a)
b = [0] * (size + 1)
while a:
    test = a.popleft()
    count = 1
    if not a:
        pass
    else:
        while a[0] == test:
            a.popleft()
            count += 1
            if not a:
                break
    for i in range(size // test):
        b[test * (i + 1)] += count
ans = 0
for i in range(n):
    if b[a2[i]] == 1:
        ans += 1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import copy

n = int(input())
a = list(map(int, input().split()))
size = max(a)
a.sort()
a2 = copy.copy(a)
b = [0] * (size + 1)
while a:
    test = a.pop(0)
    count = 1
    if not a:
        pass
    else:
        while a[0] == test:
            a.pop(0)
            count += 1
            if not a:
                break
    for i in range(size // test):
        b[test * (i + 1)] += count
ans = 0
for i in range(n):
    if b[a2[i]] == 1:
        ans += 1
print(ans)

Fixed submission:
import copy, collections

n = int(input())
a = list(map(int, input().split()))
size = max(a)
a.sort()
a = collections.deque(a)
a2 = copy.copy(a)
b = [0] * (size + 1)
while a:
    test = a.popleft()
    count = 1
    if not a:
        pass
    else:
        while a[0] == test:
            a.popleft()
            count += 1
            if not a:
                break
    for i in range(size // test):
        b[test * (i + 1)] += count
ans = 0
for i in range(n):
    if b[a2[i]] == 1:
        ans += 1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int, input().split())
a = list(map(int, input().split()))

for i in range(k):
    if a == [n] * n:
        break
    else:
        a2 = [0] * (n + 1)
        for j in range(n):
            temp = a[j]
            a2[max(j - temp, 0)] += 1
            a2[min(j + temp + 1, n)] -= 1
        a3 = [0]
        for j in range(n):
            a3.append(a3[-1] + a2[j])
        a = a3[1:]
for i in range(n):
    print(a[i], end = " ")
print()

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

for i in range(k):
    if a == [n] * n:
        break
    else:
        a2 = [0] * (n + 1)
        for j in range(n):
            temp = a[j]
            a2[max(j - temp, 0)] += 1
            a2[min(j + temp + 1, n)] -= 1
        a3 = [0]
        for j in range(n):
            a3.append(a3[-1] + a2[j])
        a = a3[1:]
for i in range(n):
    print(a[i], end = " ")
print()
Buggy python submission (verdict: Runtime Error):
x = int(input())
temp = int(x ** 0.25)
for i in range(-temp, temp + 1):
    temp2 = int((i ** 5 + x) ** 0.2)
    if temp2 ** 5 - i ** 5 == x:
        print(temp2, i)
        break
    temp3 = int((i ** 5 - x) ** 0.2)
    if i ** 5 - temp3 ** 5 == x:
        print(i, temp3)
        break

Fixed submission:
x = int(input())
temp = int(x ** 0.25)
flag = True
for i in range(-temp, temp + 1):
    for j in range(-temp, temp + 1):
        if i ** 5 - j ** 5 == x:
            print(i, j)
            flag = False
            break
    if flag == False:
        break

Buggy python submission (verdict: Runtime Error):
x = int(input())
temp = int(x ** 0.25)
for i in range(-temp, temp + 1):
    temp2 = int((i ** 5 + x) ** 0.2)
    if temp2 ** 5 - i ** 5 == x:
        print(temp2, i)
        break

Fixed submission:
x = int(input())
temp = int(x ** 0.25)
flag = True
for i in range(-temp, temp + 1):
    for j in range(-temp, temp + 1):
        if i ** 5 - j ** 5 == x:
            print(i, j)
            flag = False
            break
    if flag == False:
        break
Buggy python submission (verdict: Runtime Error):
n = int(input())
n1 = n // 15
n2 = n % 15
n3 = [0, 1, 3, 3, 7, 7, 7, 14, 22, 22, 22, 33, 46, 60]
ans = 60 * (n1 ** 2) + n3[n2] + 15 * n1 * (n2 - n2 // 3 - n2 // 5)
print(ans)

Fixed submission:
n = int(input())
ans = 0
for i in range(n):
    if (i + 1) % 3 != 0:
        if (i + 1) % 5 != 0:
            ans += i + 1
print(ans)
Buggy python submission (verdict: Runtime Error):
n, k = map(int, input().split())
mod = 10 ** 9 + 7

def yakusuu(n):
    a = []
    for i in range(1, int(n ** 0.5)):
        if n % i == 0:
            a.append(i, n // i)
    return sum(a)

ans = 0
for i in range(1, k + 1):
    temp = 1
    for j in range(n):
        temp *= (k // i)
        temp %= mod
    ans += (i * 2 - yakusuu(i)) * temp
print(ans)

Fixed submission:
n, k = map(int, input().split())
mod = 10 ** 9 + 7

gcd = [0] * k
for i in range(k):
    test = k - i
    temp = 0
    for j in range(k // test):
        if j == 0:
            temp2 = 1
            temp3 = [k // test]
            for l in range(len(bin(n)) - 2):
                temp3.append(temp3[-1] ** 2 % mod)
            test3 = bin(n)
            for l in range(len(test3) - 2):
                if test3[-1-l] == "1":
                    temp2 *= temp3[l]
                    temp2 %= mod
            temp += temp2
        else:
            test2 = test * (j + 1)
            temp -= gcd[test2 - 1]
    gcd[test - 1] = temp
ans = 0
for i in range(k):
    ans += gcd[i] * (i + 1)
    ans %= mod
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
k = int(input())
a = [1,2,3,4,5,6,7,8,9]
for i in range(k):
    test = a.pop(0)
    temp = test % 10
    if temp == 0:
        a.append(test * 10)
        a.append(test * 10 + 1)
    elif temp == 9:
        a.append(test * 10 + 8)
        a.append(test * 10 + 9)
    else:
        a.append(test * 10 + temp - 1)
        a.append(test * 10 + temp)
        a.append(test * 10 + temp + 1)
print(test)

Fixed submission:
import queue

k = int(input())
a = queue.Queue()
for i in range(9):
    a.put(i + 1)
for i in range(k):
    test = a.get()
    temp = test % 10
    if temp == 0:
        a.put(test * 10)
        a.put(test * 10 + 1)
    elif temp == 9:
        a.put(test * 10 + 8)
        a.put(test * 10 + 9)
    else:
        a.put(test * 10 + temp - 1)
        a.put(test * 10 + temp)
        a.put(test * 10 + temp + 1)
print(test)
Buggy python submission (verdict: Runtime Error):
h, w = map(int, input().split())
s = []
s.append(["."] * (w + 1))
for i in range(h):
    s.append(["."] + list(input()))
s2 = []
for i in range(h + 1):
    s2.append([0] * (w + 1))
for i in range(h - 1):
    if s[1][i + 1] == "#":
        s2[0][i + 2] = s2[0][i + 1] + 1
    else:
        s2[0][i + 2] = s2[0][i + 1]
for i in range(w - 1):
    if s[i + 1][1] == "#":
        s2[i + 2][0] = s2[i + 1][0] + 1
    else:
        s2[i + 2][0] = s2[i + 1][0]
for i in range(h):
    for j in range(w):
        if s[i + 1][j + 1] == ".":
            s2[i + 1][j + 1] = min(s2[i][j + 1], s2[i + 1][j])
        else:
            s2[i + 1][j + 1] = min(s2[i][j + 1], s2[i + 1][j]) + 1
print(s2[h][w])

Fixed submission:
h, w = map(int, input().split())
s = []
s.append(["."] * (w + 1))
for i in range(h):
    s.append(["."] + list(input()))
s2 = []
for i in range(h + 1):
    s2.append([0] * (w + 1))

for i in range(w - 1):
    if s[1][i + 1] == "#":
        if s[1][i] != "#":
            s2[0][i + 2] = s2[0][i + 1] + 1
        else:
            s2[0][i + 2] = s2[0][i + 1]
    else:
        s2[0][i + 2] = s2[0][i + 1]
for i in range(h - 1):
    if s[i + 1][1] == "#":
        if s[i][1] != "#":
            s2[i + 2][0] = s2[i + 1][0] + 1
        else:
            s2[i + 2][0] = s2[i + 1][0]
    else:
        s2[i + 2][0] = s2[i + 1][0]

for i in range(h):
    for j in range(w):
        if s[i + 1][j + 1] == ".":
            s2[i + 1][j + 1] = min(s2[i][j + 1], s2[i + 1][j])
        else:
            if s[i][j + 1] == "#":
                if s[i + 1][j] == "#":
                    s2[i + 1][j + 1] = min(s2[i][j + 1], s2[i + 1][j])
                else:
                    s2[i + 1][j + 1] = min(s2[i][j + 1], s2[i + 1][j] + 1)
            else:
                if s[i + 1][j] == "#":
                    s2[i + 1][j + 1] = min(s2[i][j + 1] + 1, s2[i + 1][j])
                else:
                    s2[i + 1][j + 1] = min(s2[i][j + 1], s2[i + 1][j]) + 1
print(s2[h][w])
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
a = input()
a2 = [int(a[i]) for i in range(n)]
n2 = bin(n)
b = [0] * n
c = [1] * (2 ** (len(n2) - 3))
for i in range(len(c)):
    b[i] += c[i]
temp = len(n2) - 4
count = len(c)
while temp>= 0:
    if n2[-1-temp] == "1":
        c = [b[i] for i in range(count)]
        for i in range(count):
            b[i + 2 ** temp] += c[i]
        count += 2 ** temp
    temp -= 1
e = [b[i] % 2 for i in range(len(b))]
d = 0
for i in range(n):
    if e[i] % 2 == 1:
        d += a2[i]
if d % 2 == 1:
    print(1)
else:
    a3 = [abs(a2[i] - a2[i + 1]) for i in range(n - 1)]
    if 1 in a3:
        print(0)
    else:
        n3 = bin(n - 1)
        b = [0] * (n - 1)
        c = [1] * (2 ** (len(n3) - 3))
        for i in range(len(c)):
            b[i] += c[i]
        temp = len(n3) - 4
        count = len(c)
        while temp>= 0:
            if n3[-1-temp] == "1":
                c = [b[i] for i in range(count)]
                for i in range(count):
                    b[i + 2 ** temp] += c[i]
                count += 2 ** temp
            temp -= 1
        e = [b[i] % 2 for i in range(len(b))]
        d = 0
        for i in range(n - 1):
            if e[i] % 2 == 1:
                d += a3[i]
        if d % 4 == 0:
            print(0)
        else:
            print(2)

Fixed submission:
n = int(input())
a = input()
a2 = [int(a[i]) for i in range(n)]
n2 = bin(n)
b = [0] * n
c = [1] * (2 ** (len(n2) - 3))
for i in range(len(c)):
    b[i] += c[i]
temp = len(n2) - 4
count = len(c)
while temp>= 0:
    if n2[-1-temp] == "1":
        c = [b[i] for i in range(count)]
        for i in range(count):
            b[i + 2 ** temp] += c[i]
        count += 2 ** temp
    temp -= 1
e = [b[i] % 2 for i in range(len(b))]
d = 0
for i in range(n):
    if e[i] % 2 == 1:
        d += a2[i]
if d % 2 == 1:
    print(1)
else:
    a3 = [abs(a2[i] - a2[i + 1]) for i in range(n - 1)]
    if 1 in a3:
        print(0)
    else:
        n3 = bin(n - 1)
        b = [0] * (n - 1)
        c = [1] * (2 ** (len(n3) - 3))
        for i in range(len(c)):
            b[i] += c[i]
        temp = len(n3) - 4
        count = len(c)
        while temp>= 0:
            if n3[-1-temp] == "1":
                c = [b[i] for i in range(count)]
                for i in range(count):
                    b[i + 2 ** temp] += c[i]
                count += 2 ** temp
            temp -= 1
        e = [b[i] % 2 for i in range(len(b))]
        d = 0
        for i in range(n - 1):
            if e[i] % 2 == 1:
                d += a3[i]
        if d % 4 == 0:
            print(0)
        else:
            print(2)