Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
MOD = 1000000007
def fast_power(base, power):
    """
    Returns the result of a^b i.e. a**b
    We assume that a >= 1 and b >= 0

    Remember two things!
     - Divide power by 2 and multiply base to itself (if the power is even)
     - Decrement power by 1 to make it even and then follow the first step
    """

    result = 1
    while power > 0:
        # If power is odd
        if power % 2 == 1:
            result = (result * base) % MOD

        # Divide the power by 2
        power = power / 2
        # Multiply base to itself
        base = (base * base) % MOD

    return result


s = input()
k = int(input())

tyo = 5e15

char = [int(ss) for ss in s]

res = 0

_sum = 0
ok = 0

for i in range(k):
    _sum = _sum + (fast_power(int(s[i]), tyo))
    if _sum >= k and ok == 0:
        res = s[i]
        ok = 1

# for num in char:
#     _sum = _sum + (fast_power(num, tyo))
#     if _sum >= k and ok == 0:
#         res = num
#         ok = 1

print(res)


Fixed submission:
from math import pow
s = input()
k = int(input())

char = [ss for ss in s]


res = '1'

_sum = 0
for i in range(k):
    if s[i] != '1':
        res = s[i]
        break

print(res)

Buggy python submission (verdict: Runtime Error):
MOD = 1000000007
def fast_power(base, power):
    """
    Returns the result of a^b i.e. a**b
    We assume that a >= 1 and b >= 0

    Remember two things!
     - Divide power by 2 and multiply base to itself (if the power is even)
     - Decrement power by 1 to make it even and then follow the first step
    """

    result = 1
    while power > 0:
        # If power is odd
        if power % 2 == 1:
            result = (result * base) % MOD

        # Divide the power by 2
        power = power / 2
        # Multiply base to itself
        base = (base * base) % MOD

    return result


s = input()
k = int(input())

tyo = 5e15

char = [int(ss) for ss in s]

res = 0

_sum = 0
ok = 0

for i in range(k):
    _sum = _sum + (fast_power(s[i], tyo))
    if _sum >= k and ok == 0:
        res = s[i]
        ok = 1

# for num in char:
#     _sum = _sum + (fast_power(num, tyo))
#     if _sum >= k and ok == 0:
#         res = num
#         ok = 1

print(res)


Fixed submission:
from math import pow
s = input()
k = int(input())

char = [ss for ss in s]


res = '1'

_sum = 0
for i in range(k):
    if s[i] != '1':
        res = s[i]
        break

print(res)
Buggy python submission (verdict: Runtime Error):
n = int(input())
di = {}

for x in range(n):
  i = int(input())
  if (i in di.keys()):
    di.pop()
  else:
    di[i] = i
print(len(di))

Fixed submission:
n = int(input())
di = {}

for x in range(n):
  i = int(input())
  if (i in di.keys()):
    di.pop(i)
  else:
    di[i] = i
print(len(di))

Buggy python submission (verdict: Time Limit Exceeded):

def solve():
  n = int(input())
  l = []
  for i in range(n):
    a = int(input())
    l.append(a)
  
  bit = 0
  for j in l:
    bit ^= (1 << j)

  ans = countSetBits(bit)
  print(ans)

def countSetBits(n):
  count = 0
  while(n):
    count += n & 1
    n >>= 1
  return count

if __name__ == "__main__":
  solve()

Fixed submission:
n = int(input())
di = {}

for x in range(n):
  i = int(input())
  if (i in di.keys()):
    di.pop(i)
  else:
    di[i] = i
print(len(di))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
#k = int(input())
arr = list(map(int, input().split()))

a = [0 for i in range(1, max(arr)+2)]

# print(arr)
# print(a)

for ar in arr:
  a[ar] += 1

t = []
for i, z in enumerate(a):
  if z >= 2:
    t.append(i)

if len(t) < 2:
  print(0)
else:
  sort = sorted(t, reverse=True)

  ans = sort[0] * sort[1]

  print(ans)

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

li.sort(reverse=True)

vert = {}
even = []
ans = 0

for i in li:
	if i in vert:
		vert.pop(i)
		even.append(i)
		if len(even) == 2:
			ans = even[0] * even[1]
			break
	else:
		vert[i] = 1
print(ans)
Buggy python submission (verdict: Runtime Error):
a, b, c, d = map(int, input().split())

ans = (b - c) < 0 ? 0 : b - c

print(ans)

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

start = a if a > c else c
end = b if b < d else d

ans = 0 if b < c or d < a else end - start



print(ans)
Buggy python submission (verdict: Runtime Error):
n=int(input())
s=input()
p=[]
m=0
x=s.count("#.")
c=s.count("#.")
while x>0:
    x=s.count("#.")
    s=s.replace("#.","..",x)
    m+=x
    p.append(m)
p.append(c)
print(min(p))

Fixed submission:
n=input().split()
for i in range(3):
    n[i]=int(n[i])
if n[0]<n[2]<n[1] or n[1]<n[2]<n[0]:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
n=int(input())
s=input()
p=[]
m=0
x=s.count("#.")
c=s.count("#.")
while x>0:
    x=s.count("#.")
    s=s.replace("#.","..",x)
    m+=x
    if x==0:
        p.append(m)
p.append(c)
print(min(p))

Fixed submission:
n=input().split()
for i in range(3):
    n[i]=int(n[i])
if n[0]<n[2]<n[1] or n[1]<n[2]<n[0]:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
a=[int(input()) for i in range (5)]
m=[]
s=0
for i in range(5):
    x=a[i]%10
    if x!=0:
        s+=a[i]+10-x
    else:
        s+=a[i]
for k in range(5):
    y=a[k]%10
    b=s
    if y!=0:
        n=10-y
        b=s-n
        m.append(b)
    else:
        m.append(b)
print(min(m)

Fixed submission:
a=[int(input()) for i in range (5)]
m=[]
s=0
for j in range(5):
    x=a[j]%10
    if x!=0:
        s+=a[j]+10-x
    else:
        s+=a[j]
for k in range(5):
    y=a[k]%10
    b=s
    if y!=0:
        n=10-y
        b=b-n
        m.append(b)
    else:
        m.append(b)
print(min(m))
Buggy python submission (verdict: Runtime Error):
N, X = map(int, input().split())
positions = list(map(int, input().split()))


ans = 1
D = 0
for i in range(N + 1):
    if D + positions[i] <= X:
        D += positions[i]
        ans += 1
    else:
        print(ans)
        exit()
print(ans)


Fixed submission:
N, X = map(int, input().split())
positions = list(map(int, input().split()))


ans = 1
D = 0
for i in range(N):
    if D + positions[i] <= X:
        D += positions[i]
        ans += 1
    else:
        print(ans)
        exit()
print(ans)

Buggy python submission (verdict: Runtime Error):
N, X = map(int, input().split())
positions = list(map(int, input().split()))


ans = 1
D = 0
for i in range(N + 1):
    if D + positions[i] < X:
        D += positions[i]
        ans += 1
    else:
        print(ans)
        exit()
print(ans)


Fixed submission:
N, X = map(int, input().split())
positions = list(map(int, input().split()))


ans = 1
D = 0
for i in range(N):
    if D + positions[i] <= X:
        D += positions[i]
        ans += 1
    else:
        print(ans)
        exit()
print(ans)
Buggy python submission (verdict: Runtime Error):
r, D, x = map(int, input().split)


for i in range(10):
  x = (r * x) - D
  print(x)

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


for i in range(10):
  x = (r * x) - D
  print(x)
Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())

for i in range(M):
  L, R = map(int, input().split())
  pass_card = [i for i in range(L, R+1)]
  if  i == 0:
    ans = pass_card
  elif i > 0:
    ans = set(ans) & set(pass_card)

print(len(ans))

Fixed submission:
N, M = map(int, input().split())

L_list = []
R_list = []
for i in range(M):
  L, R = map(int, input().split())
  L_list.append(L)
  R_list.append(R)

L = max(L_list)
R = min(R_list)

if R < L:
  print(0)
else:
  print(R - L + 1)

Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())

for i in range(M):
  L, R = map(int, input().split())
  pass_card = [i for i in range(L, R+1)]
  if  i == 0:
    ans = pass_card
  elif i > 0:
    ans = list(set(ans) & set(pass_card))

print(len(ans))

Fixed submission:
N, M = map(int, input().split())

L_list = []
R_list = []
for i in range(M):
  L, R = map(int, input().split())
  L_list.append(L)
  R_list.append(R)

L = max(L_list)
R = min(R_list)

if R < L:
  print(0)
else:
  print(R - L + 1)

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

for i in range(M):
  L, R = map(int, input().split())
  pass_card = [i for i in range(L, R+1)]
  if  i == 0:
    ans = pass_card
  elif i > 0:
    ans = list(set(pass_card[i - 1]) & set(pass_card[i]))

print(len(ans))

Fixed submission:
N, M = map(int, input().split())

L_list = []
R_list = []
for i in range(M):
  L, R = map(int, input().split())
  L_list.append(L)
  R_list.append(R)

L = max(L_list)
R = min(R_list)

if R < L:
  print(0)
else:
  print(R - L + 1)

Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
ans = [i for i in range(1, N + 1)]

for i in range(M):
  L, R = map(int, input().split())
  pass_card= [i for i in range(L, R+1)]
  ans = list(set(ans) & set(pass_card))

print(len(ans))

Fixed submission:
N, M = map(int, input().split())

L_list = []
R_list = []
for i in range(M):
  L, R = map(int, input().split())
  L_list.append(L)
  R_list.append(R)

L = max(L_list)
R = min(R_list)

if R < L:
  print(0)
else:
  print(R - L + 1)
Buggy python submission (verdict: Time Limit Exceeded):
import heapq
N, M = map(int, input().split())
A = list(map(int, input().split()))


heapq.heapify(A)

for i in range(M):
  B, C = map(int, input().split())
  for i in range(B):
    heapq.heappush(A, C)

print(sum(heapq.nlargest(N, A)))

Fixed submission:
N, M = map(int, input().split())
A = list(map(int, input().split()))
BC = [list(map(int, input().split())) for _ in range(M)]
BC = sorted(BC, key= lambda x:x[1], reverse=True)


BC2 = []
for i in range(M):
  BC2.extend([BC[i][1]] * BC[i][0])
  if len(BC2) > N : break
A.extend(BC2)
A.sort(reverse=True)

print(sum(A[:N]))
Buggy python submission (verdict: Runtime Error):
from fractions import Fraction

N, K = map(int, input().split())
ans = 0

flag = True
score = 1
times = 0
while flag:
  times += 1
  score *= 2
  if score >= K:
    flag = False

for i in range(1, N+1):
  ans += Fraction(1, N) * (Fraction(1, 2) ** times)
  times -= 1

print(float(ans))



Fixed submission:
N, K = map(int, input().split())
ans = 0

for i in range(1, N+1):
  tmp = 1 / N
  now = i
  while now < K:
    now *= 2
    tmp /= 2
  ans += tmp
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))

for i in range(N - 1):
  if A[i] < 0 :
    A[i] *= -1
    A[i + 1] *= -1
  elif i == N - 2 and A[i] == 0:
    A[i + 1] *= -1
    A[i + 2] *= -1
print(sum(A))

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
count = 0

for i in range(N):
  if A[i] < 0:
    count += 1
    A[i] *= -1
print(sum(A) if count % 2 == 0 else sum(A) - min(A) * 2)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))

for i in range(N):
  if A[i] < 0:
    A[i] *= -1
    A[i + 1] *= -1
print(sum(A))

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
count = 0

for i in range(N):
  if A[i] < 0:
    count += 1
    A[i] *= -1
print(sum(A) if count % 2 == 0 else sum(A) - min(A) * 2)
Buggy python submission (verdict: Runtime Error):
N = int(input())
S = list(input())
K = int(input())

for i in range(len(S)):
  if S[i] != S[K]:
    S[i] = '*'
print(''.join(S))

Fixed submission:
N = int(input())
S = list(input())
K = int(input()) - 1

for i in range(len(S)):
  if S[i] != S[K]:
    S[i] = '*'
print(''.join(S))
Buggy python submission (verdict: Runtime Error):
N = int(input())
S = list(input())

middle = S[1:-1]
white = middle.count('.')
black = middle.count('#')

if (S.count('.') == 0 or S.count('#') == 0) or ((S.count('.') == 1 and S[0] == '.') or (S.count('#') == 1 and S[-1] == '#')):
  print('0')
else:
  if white < black:
    if S[-1] == '.':
      print(white+1)
    else:
      print(white)
  else:
    if S[0] == '#':
      print(black+1)
    else:
      print(black)


Fixed submission:
S = [ i for i in input()]

if len(S) <= 1:
  print(0)
  exit()

zerone = ['0', '1']
a = 0
b = 0

def is_even(num):
  return 0  if num % 2 == 0 else 1

for i in range(len(S)):
  if S[i] != zerone[is_even(i)]:
    a += 1
  else:
    b += 1

print(a if a < b else b)
Buggy python submission (verdict: Runtime Error):
n,k =input().split()
K = int(k)
N = int(n)

import math
P = 0
if N < K:
for i in range(1,K):
    P += ((0.5)**(math.ceil( math.log2(float(K/i)) )))/N
else:
    P += (N-K)/N 
    for i in range(K,N+1):
        P += ((0.5)**(math.ceil( math.log2(float(K/i)) )))/N
print(P)

Fixed submission:
n,k =input().split()
K = int(k)
N = int(n)

import math
P = 0
if N < K:
    for i in range(1,N+1):
        P += ((0.5)**(math.ceil( math.log2(float(K/i)) )))/N
else:
    P += (N-K+1)/N 
    for i in range(1,K):
        P += ((0.5)**(math.ceil( math.log2(float(K/i)) )))/N
print(P)

Buggy python submission (verdict: Runtime Error):
n,k =input().split()
K = int(k)
N = int(n)

import math
P = 0
if N < K:
for i in range(1,K):
    P += ((0.5)**(math.ceil( math.log2(float(K/i)) )))/N
else:
    P += (N-K)/N 
    for i in range(K,N+1)
        P += ((0.5)**(math.ceil( math.log2(float(K/i)) )))/N
print(P)

Fixed submission:
n,k =input().split()
K = int(k)
N = int(n)

import math
P = 0
if N < K:
    for i in range(1,N+1):
        P += ((0.5)**(math.ceil( math.log2(float(K/i)) )))/N
else:
    P += (N-K+1)/N 
    for i in range(1,K):
        P += ((0.5)**(math.ceil( math.log2(float(K/i)) )))/N
print(P)
Buggy python submission (verdict: Runtime Error):
N,X = map(int,input().split())
num = 0
count = 0
listA=list(map(int,input().split()))
    #listA<-[1,2,2,3,1]
    #ここに逐次処理を書けばいいと思う。

for i in range(N+1):
    if num<=X:
        num = num+listA[i]
        count=count+1
    else:
        break
print(count)


Fixed submission:
N,X = map(int,input().split())
num = 0
count = 0
listA=list(map(int,input().split()))
    #listA<-[1,2,2,3,1]
    #ここに逐次処理を書けばいいと思う。

for i in range(N+1):
    if num<=X and i==N:
        count=i+1
        break
    elif num<=X:
        num = num+listA[i]
        count=count+1
    else:
        break
print(count)
Buggy python submission (verdict: Runtime Error):
N,K = map(int,input().split())
i=0
p=0
u=0
sum_a=0
number=[]
if N>=K:
    num = K-1
else:
    num = N
for a in range(1,num+1):
    sum_a=a
    while u<=1:
        sum_a1=sum_a*2
        sum_a =+sum_a1
        #print(sum_a)
        i=i+1
        #print(sum_a)
        if (sum_a)>=K:
            u=2
    number.append(i)
    u=0
    i=0
    sum_a1=0
if num!=N:
    for i in range(N-K):
        number.append(0)
for i in range(N):
    if number[i]!=0:
        a=(1/2)**int(number[i])
        #print(a)
        p = p +((1/N)*a)
        #print(p)
    else:
        p=p + (1/N)
    

print(p)


Fixed submission:
N,K = map(int,input().split())
i=0
p=0
u=0
sum_a=0
number=[]
if N>=K:
    num = K-1
else:
    num = N
for a in range(1,num+1):
    sum_a=a
    while u<=1:
        sum_a1=sum_a*2
        sum_a =+sum_a1
        #print(sum_a)
        i=i+1
        #print(sum_a)
        if (sum_a)>=K:
            u=2
    number.append(i)
    u=0
    i=0
    sum_a1=0
if num!=N:
    for i in range(N):
        number.append(0)
for i in range(N):
    if number[i]!=0:
        a=(1/2)**int(number[i])
        p = p +((1/N)*a)
        #print(p)
    else:
        p=p + (1/N)
    

print(p)
Buggy python submission (verdict: Runtime Error):
S = input()                 
count = 0
j=0
num=[]
for i in range(len(S)):
    # for j in range(4):
    #     if S[i]==ATCG[j]:
    if S[i] == 'A' or S[i]=='T' or S[i]=='C' or S[i]== 'G':
        count=count+1
        #print(S[i])
    else:
        num.append(count)
        j=j+1

max_num=max(num)
print(max_num)



Fixed submission:
S = input()
S = S +'R'
#ATCG = 'ATCG'                   
count = 0
j=0
num=[]
for i in range(len(S)):
    # for j in range(4):
    #     if S[i]==ATCG[j]:
    # if (S[i] == 'A' or S[i]=='T' or S[i]=='C' or S[i]== 'G') and (i==(len(S)-1)):
    #     count =count+1
    #     print(S[i])
    #     num.append(count)

    if S[i] == 'A' or S[i]=='T' or S[i]=='C' or S[i]== 'G':
        count=count+1
        #print(S[i])
       
    else:
        num.append(count)
        j=j+1
        count=0


#print(num)
max_num=max(num)
print(max_num)
Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())
# A_2=0
# B_2=0
list_A=[]
list_B=[]
sum_num=0
for i in range(n):
    A,B = map(int,input().split())
    list_A.append(A)
    list_B.append(B)

for i in range(n):
    minj = i
    for j in range(i,n):
        if list_A[j]<list_A[minj]:
            minj=j
    hokan=list_A[i]
    list_A[i]=list_A[minj]
    list_A[minj]=hokan
    hokan_b=list_B[i]
    list_B[i]=list_B[minj]
    list_B[minj]=hokan_b

list_AB = []
for i in range(n):
    list_AB.append( (list_A[i], list_B[i]))

list_AB.sort()
list_A , list_B = zip(*list_AB)
# list_A.sort()
# list_B.sort()
# print(list_A)
# print(list_B)


m_1=m
for i in range(n):
    m_2=m_1
    m_1=m_1-int(list_B[i])
    if m_1<0:
        sum_num=sum_num + int(list_A[i])*m_2
    else:
        sum_num=sum_num +int(list_A[i])*int(list_B[i])
    #print(sum_num)
    #print("m_1",m_1,"m_2",m_2)
    if m_1<0:
        break

print(sum_num)


Fixed submission:
n,m = map(int,input().split())
# A_2=0
# B_2=0
list_A=[]
list_B=[]
sum_num=0
for i in range(n):
    A,B = map(int,input().split())
    list_A.append(A)
    list_B.append(B)


list_AB = []
for i in range(n):
    list_AB.append( (list_A[i], list_B[i]))

list_AB.sort()
list_A , list_B = zip(*list_AB)
# list_A.sort()
# list_B.sort()
# print(list_A)
# print(list_B)


m_1=m
for i in range(n):
    m_2=m_1
    m_1=m_1-int(list_B[i])
    if m_1<0:
        sum_num=sum_num + int(list_A[i])*m_2
    else:
        sum_num=sum_num +int(list_A[i])*int(list_B[i])
    #print(sum_num)
    #print("m_1",m_1,"m_2",m_2)
    if m_1<0:
        break

print(sum_num)

Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int,input().split())
# A_2=0
# B_2=0
list_A=[]
list_B=[]
sum_num=0
for i in range(n):
    A,B = map(int,input().split())
    list_A.append(A)
    list_B.append(B)

for i in range(n):
    minj = i
    for j in range(i,n):
        if list_A[j]<list_A[minj]:
            minj=j
    hokan=list_A[i]
    list_A[i]=list_A[minj]
    list_A[minj]=hokan
    hokan_b=list_B[i]
    list_B[i]=list_B[minj]
    list_B[minj]=hokan_b
m_1=m
for i in range(n):
    m_2=m_1
    m_1=m_1-int(list_B[i])
    if m_1<0:
        sum_num=sum_num + int(list_A[i])*m_2
    else:
        sum_num=sum_num +int(list_A[i])*int(list_B[i])
    # print(sum_num)
    # print("m_1",m_1,"m_2",m_2)
    if m_1<0:
        break

print(sum_num)


Fixed submission:
n,m = map(int,input().split())
# A_2=0
# B_2=0
list_A=[]
list_B=[]
sum_num=0
for i in range(n):
    A,B = map(int,input().split())
    list_A.append(A)
    list_B.append(B)


list_AB = []
for i in range(n):
    list_AB.append( (list_A[i], list_B[i]))

list_AB.sort()
list_A , list_B = zip(*list_AB)
# list_A.sort()
# list_B.sort()
# print(list_A)
# print(list_B)


m_1=m
for i in range(n):
    m_2=m_1
    m_1=m_1-int(list_B[i])
    if m_1<0:
        sum_num=sum_num + int(list_A[i])*m_2
    else:
        sum_num=sum_num +int(list_A[i])*int(list_B[i])
    #print(sum_num)
    #print("m_1",m_1,"m_2",m_2)
    if m_1<0:
        break

print(sum_num)
Buggy python submission (verdict: Runtime Error):
 = input()

# #for i in range(int(4)):
# a_y = int(A[0]) * 1000
# b_y = int(A[1]) *100
# c_y = int(A[2])*10
# d_y = int(A[3])

# yyyy = a_y + b_y + c_y + d_y
#print(yyyy)
if int(A[5])!=0:
    mm = (int(A[5])*10) + (int(A[6]))
else:
    mm = int(A[6])

if int(A[8])!=0:
    dd = (int(A[8])*10) + (int(A[9]))
else:
    dd = int(A[9])
    

# if yyyy>2019:
#     print("TBD")
# elif yyyy==2019 and mm>=5:
#     print("TBD")
# else:
#     print("Heisei")

if mm>4:
    print("TBD")
else:
    print("Heisei")


Fixed submission:
A = input()

# #for i in range(int(4)):
# a_y = int(A[0]) * 1000
# b_y = int(A[1]) *100
# c_y = int(A[2])*10
# d_y = int(A[3])

# yyyy = a_y + b_y + c_y + d_y
#print(yyyy)
if int(A[5])!=0:
    mm = (int(A[5])*10) + (int(A[6]))
else:
    mm = int(A[6])

if int(A[8])!=0:
    dd = (int(A[8])*10) + (int(A[9]))
else:
    dd = int(A[9])
    

# if yyyy>2019:
#     print("TBD")
# elif yyyy==2019 and mm>=5:
#     print("TBD")
# else:
#     print("Heisei")

if mm>4:
    print("TBD")
else:
    print("Heisei")
Buggy python submission (verdict: Runtime Error):
N,M = map(int,input().split())
num =0
line_m=[]
line_s=[]
for k in range(M):
    line_m.append(0)
for i in range(N):
    line_s = list(map(int, input().split()))
    for n in range(int(line_s[0])):
        line_m[int(line_s[n+1])] = int(line_m[int(line_s[n+1])]) + 1

for s in range(M):
    if line_m[s] == N:
        num = num+1

print(num)
        

Fixed submission:
N,M = map(int,input().split())
num =0
line_m=[]
line_s=[]
for k in range(M+1):
    line_m.append(0)
for i in range(N):
    line_s = list(map(int, input().split()))
    for n in range(int(line_s[0])):
        line_m[int(line_s[n+1])] = int(line_m[int(line_s[n+1])]) + 1

for s in range(M+1):
    if line_m[s] == N:
        num = num+1

# print(line_s)
# print(line_m)

print(num)

Buggy python submission (verdict: Runtime Error):
N,M = map(int,input().split())
num =0
line_m=[]
line_s=[]
for k in range(M):
    line_m.append(0)
for i in range(N):
    line_s = list(map(int, input().split()))
    for n in range(int(line_s[0])):
        line_m[int(line_s[n])] = int(line_m[int(line_s[n])]) + 1

for s in range(M):
    if line_m[s] == N:
        num = num+1

print(num)
        

Fixed submission:
N,M = map(int,input().split())
num =0
line_m=[]
line_s=[]
for k in range(M+1):
    line_m.append(0)
for i in range(N):
    line_s = list(map(int, input().split()))
    for n in range(int(line_s[0])):
        line_m[int(line_s[n+1])] = int(line_m[int(line_s[n+1])]) + 1

for s in range(M+1):
    if line_m[s] == N:
        num = num+1

# print(line_s)
# print(line_m)

print(num)
Buggy python submission (verdict: Runtime Error):
n,k = map(int,input().split())
num = int(n/2) + 1
if n!=2andnum>=k:
    print('YES')
else:
    print('NO')

Fixed submission:
n,k = map(int,input().split())
if n%2==0:
    num = int(n/2)
else:
    num = int(n/2) + 1
if num>=k:
    print('YES')
else:
    print('NO')

Buggy python submission (verdict: Runtime Error):
n,k = map(int,input().split())
num = int(n/2) + 1
if n!=2&&num>=k:
    print('YES')
else:
    print('NO')

Fixed submission:
n,k = map(int,input().split())
if n%2==0:
    num = int(n/2)
else:
    num = int(n/2) + 1
if num>=k:
    print('YES')
else:
    print('NO')
Buggy python submission (verdict: Time Limit Exceeded):
a=[]
cp_a=[]
an = input()
a.append(int(an))
i=0
cp_a.append(a[0])
t_or_f = 0
m = 0
n = 0

for k in range(1000000):
    if int(a[i])%2==0:
        cal = int(a[i])* (1/2)
        next_i = i+1
        a.append(int(cal))
        cp_a.append(a[next_i])
        i = i+1
    elif int(a[i])%2!=0:
        next_i = i+1
        cal  = 3*int(a[i]) + 1
        a.append(int(cal))
        cp_a.append(a[next_i])
        i = i+1


for s in range(i):
    for t in range(s+1,i):
        if a[s]==cp_a[t]:
            n = s
            m = t
            print(m+1)
            t_or_f = 1
            break
    if t_or_f:
        break

# print(a)
# print(cp_a)





Fixed submission:
a=[]
cp_a=[]
an = input()
a.append(int(an))
i=0
cp_a.append(a[0])
t_or_f = 0
m = 0
n = 0

for k in range(1000000):
    if int(a[i])%2==0:
        cal = int(a[i])* (1/2)
        next_i = i+1
        a.append(int(cal))
        cp_a.append(a[next_i])
        i = i+1
    elif int(a[i])%2!=0:
        next_i = i+1
        cal  = 3*int(a[i]) + 1
        a.append(int(cal))
        cp_a.append(a[next_i])
        i = i+1


    for s in range(i):
        for t in range(s+1,i):
            if a[s]==cp_a[t]:
                n = s
                m = t
                print(m+1)
                t_or_f = 1
                break
        if t_or_f:
            break
    if t_or_f:
        break

# print(a)
# print(cp_a)