Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
from __future__ import division, print_function
import sys
if sys.version_info[0] < 3:
    from __builtin__ import xrange as range
    from future_builtins import ascii, filter, hex, map, oct, zip

import os, sys, bisect, copy
from collections import defaultdict, Counter, deque
#from functools import lru_cache   #use @lru_cache(None)
if os.path.exists('in.txt'): sys.stdin=open('in.txt','r')
if os.path.exists('out.txt'): sys.stdout=open('out.txt', 'w')
#
def input(): return sys.stdin.readline()
def mapi(arg=0): return map(int if arg==0 else str,input().split())
#------------------------------------------------------------------


n,k = mapi()
a = [0]+list(mapi())
gr = defaultdict(int)
for i in range(1,n+1):
    gr[i]=a[i]

vis ={}
path = []
p = 1
def dfs(s):
    global p
    if s in vis:
        p = s
        return
    path.append(s)
    vis[s] = 1
    dfs(gr[s])
dfs(1)
i = 0
ln = 0
path2 = path[:]
while i<len(path):
    if p==path[i]:
        path2 = path2[i:]
        break
    i+=1
#print(path)
if k<len(path)-len(path2):
    print(path[k])
else:
    k -= len(path)-len(path2)
    print(path2[k%len(path2)])
#print(dfs(1,k))


Fixed submission:
from __future__ import division, print_function
import sys
if sys.version_info[0] < 3:
    from __builtin__ import xrange as range
    from future_builtins import ascii, filter, hex, map, oct, zip

import os, sys, bisect, copy
from collections import defaultdict, Counter, deque
#from functools import lru_cache   #use @lru_cache(None)
if os.path.exists('in.txt'): sys.stdin=open('in.txt','r')
if os.path.exists('out.txt'): sys.stdout=open('out.txt', 'w')
#
def input(): return sys.stdin.readline()
def mapi(arg=0): return map(int if arg==0 else str,input().split())
#------------------------------------------------------------------
import sys
sys.setrecursionlimit(10**6)
from types import GeneratorType
#use:- put @bootstrap overrecursive function
def bootstrap(func, stack=[]):
    def wrapped_function(*args, **kwargs):
        if stack:
            return func(*args, **kwargs)
        else:
            call = func(*args, **kwargs)
            while True:
                if type(call) is GeneratorType:
                    stack.append(call)
                    call = next(call)
                else:
                    stack.pop()
                    if not stack:
                        break
                    call = stack[-1].send(call)
            return call
    return wrapped_function


n,k = mapi()
a = [0]+list(mapi())
gr = defaultdict(int)
for i in range(1,n+1):
    gr[i]=a[i]

vis ={}
path = []
p = 1

@bootstrap
def dfs(s):
    global p
    if s in vis:
        p = s
        yield 0
    path.append(s)
    vis[s] = 1
    res =0
    res+= yield dfs(gr[s])
    yield res
dfs(1)
i = 0
ln = 0
path2 = path[:]
while i<len(path):
    if p==path[i]:
        path2 = path2[i:]
        break
    i+=1
#print(path)
if k<len(path)-len(path2):
    print(path[k])
else:
    k -= len(path)-len(path2)
    print(path2[k%len(path2)])
#print(dfs(1,k))
Buggy python submission (verdict: Runtime Error):
n,k = map(int,input().split())
mp = [0]*(k+1)
for i in range(k):
  a = list(map(int,input().split()))
  for j in a:
    mp[j]+=1
res = 0
for i in range(1,k+1):
  if mp[i]==0:
    res+=1
print(res)

Fixed submission:
n,k = map(int,input().split())
mp = [0]*(n+1)
for i in range(k):
  d = int(input())
  a = list(map(int,input().split()))
  for j in a:
    mp[j]+=1
res = 0
for i in range(1,n+1):
  if mp[i]==0:
    res+=1
print(res)
Buggy python submission (verdict: Time Limit Exceeded):
from __future__ import division, print_function
import sys
if sys.version_info[0] < 3:
    from __builtin__ import xrange as range
    from future_builtins import ascii, filter, hex, map, oct, zip

import os, sys, bisect, copy
from collections import defaultdict, Counter, deque
#from functools import lru_cache   #use @lru_cache(None)
if os.path.exists('in.txt'): sys.stdin=open('in.txt','r')
if os.path.exists('out.txt'): sys.stdout=open('out.txt', 'w')
#
def input(): return sys.stdin.readline()
def mapi(arg=0): return map(int if arg==0 else str,input().split())
#------------------------------------------------------------------

x = int(input())
def bs(n):
    l = -1000
    r = n
    while r-l>=0:
        mid = (l+r)>>1
        tmp = pow(mid,5)
        if tmp==n:
            return True, mid
        elif tmp<n:
            #print(mid,tmp,n)
            l = mid+1
        else:
            r = mid
    if pow(l,5)==n:
        return True,l
    return False,0
for i in range(-1000,1000):
    key = pow(i,5)-x
    f,b = bs(key)
    if f:
        print(i,b)
        break


Fixed submission:
from __future__ import division, print_function
import sys
if sys.version_info[0] < 3:
    from __builtin__ import xrange as range
    from future_builtins import ascii, filter, hex, map, oct, zip

import os, sys, bisect, copy
from collections import defaultdict, Counter, deque
#from functools import lru_cache   #use @lru_cache(None)
if os.path.exists('in.txt'): sys.stdin=open('in.txt','r')
if os.path.exists('out.txt'): sys.stdout=open('out.txt', 'w')
#
def input(): return sys.stdin.readline()
def mapi(arg=0): return map(int if arg==0 else str,input().split())
#------------------------------------------------------------------
x = int(input())
def power(x,y):
    res = 1
    #print(x,y)
    while y>0:
        if y%2:
            res*=x
        x*=x
        y//=2
        #print(x,y)
    return res
def bs(n):
    l = -250
    r = 250
    while r-l>=0:
        mid = (l+r)//2
        tmp = power(mid,5)
        if tmp==n:
            return True, mid
        elif tmp<n:
            #print(mid,tmp,n)
            l = mid+1
        else:
            r = mid-1
    if power(l,5)==n:
        return True,l
    elif power(r,5)==n:
        return True,r
    return False,0
for i in range(-250,250):
    key = power(i,5)-x
    f,b = bs(key)
    if f:
        print(i,b)
        break
Buggy python submission (verdict: Time Limit Exceeded):
from __future__ import division, print_function
import sys
if sys.version_info[0] < 3:
    from __builtin__ import xrange as range
    from future_builtins import ascii, filter, hex, map, oct, zip

import os, sys, bisect, copy
from collections import defaultdict, Counter, deque
#from functools import lru_cache   #use @lru_cache(None)
if os.path.exists('in.txt'): sys.stdin=open('in.txt','r')
if os.path.exists('out.txt'): sys.stdout=open('out.txt', 'w')
#
def input(): return sys.stdin.readline()
def mapi(arg=0): return map(int if arg==0 else str,input().split())
#------------------------------------------------------------------


n = int(input())
a = list(mapi())
mpi = defaultdict(list)
mpj = defaultdict(list)
for i in range(n):
    mpi[a[i]+i].append(i+1)
    mpj[-a[i]+i].append(i+1)
res =0
for i in mpi.keys():
    tmpi = mpi[i]
    tmpj = mpj[i]
    #print(i,tmpi,tmpj)
    for j in tmpi:
        for k in tmpj:
            if k>j:res+=1
print(res)


Fixed submission:
from __future__ import division, print_function
import sys
if sys.version_info[0] < 3:
    from __builtin__ import xrange as range
    from future_builtins import ascii, filter, hex, map, oct, zip

import os, sys, bisect, copy
from collections import defaultdict, Counter, deque
#from functools import lru_cache   #use @lru_cache(None)
if os.path.exists('in.txt'): sys.stdin=open('in.txt','r')
if os.path.exists('out.txt'): sys.stdout=open('out.txt', 'w')
#
def input(): return sys.stdin.readline()
def mapi(arg=0): return map(int if arg==0 else str,input().split())
#------------------------------------------------------------------


n = int(input())
a = list(mapi())
mpi = defaultdict(list)
mpj = defaultdict(list)
for i in range(n):
    mpi[a[i]+i].append(i+1)
    mpj[-a[i]+i].append(i+1)
res =0
for i in mpi.keys():
    tmpi = mpi[i]
    tmpj = mpj[i]
    m = len(tmpj)
    #print(i,tmpi,tmpj)
    for j in tmpi:
        res+=m-bisect.bisect_left(tmpj,j)
print(res)
Buggy python submission (verdict: Runtime Error):
n = int(input())
res = 0
from math import *
for i in range(1,n+1):
  for j in range(1,n+1):
    for k in range(1,n+1):
      res+=gcd(i,j,k)
print(res)
      

Fixed submission:
n = int(input())
res = 0
from math import *
for i in range(1,n+1):
  for j in range(1,n+1):
    for k in range(1,n+1):
      res+=gcd(gcd(i,j),k)
print(res)
Buggy python submission (verdict: Runtime Error):
import os, sys, bisect, copy
from collections import defaultdict, Counter, deque
from functools import lru_cache   #use @lru_cache(None)
if os.path.exists('in.txt'): sys.stdin=open('in.txt','r')
if os.path.exists('out.txt'): sys.stdout=open('out.txt', 'w')
#
def input(): return sys.stdin.readline()
def mapi(arg=0): return map(int if arg==0 else str,input().split())
#------------------------------------------------------------------

mod = 1000000007
N=int(2*1e5+100)
sz = [0]*N
dp = [0]*N
gr = defaultdict(list)
def modPow(a,b):
    ans=1
    while (b):
        if (b&1): ans=(ans*a)%mod
        b>>=1
        a=(a*a)%mod
    return ans

def modInv(x):
    return modPow(x,mod-2)

def dfs(x, par):
    sz[x]=1
    for item in gr[x]:
        if item==par: continue
        dfs(item,x)
        sz[x]+=sz[item]

def dfs1(x, par):
    for item in gr[x]:
        if item==par: continue
        dp[item]=(dp[x]*(n-sz[item]))%mod
        dp[item]=(dp[item]*modInv(sz[item]))%mod
        dfs1(item,x)

n = int(input())
for i in range(n-1):
    x,y = mapi()
    gr[x].append(y)
    gr[y].append(x)
dfs(1,0)
dp[1]=1
for i in range(1,n+1):
    dp[1]=(dp[1]*sz[i])%mod
dfs1(1,0)
res = 1
for i in range(1,n+1):
    res = (res*i)%mod
for i in range(1,n+1):
    dp[i]=(res*modInv(dp[i]))%mod
for i in range(1,n+1):
    print(dp[i])


Fixed submission:
import os, sys, bisect, copy
from collections import defaultdict, Counter, deque
from functools import lru_cache   #use @lru_cache(None)
if os.path.exists('in.txt'): sys.stdin=open('in.txt','r')
if os.path.exists('out.txt'): sys.stdout=open('out.txt', 'w')
#
def input(): return sys.stdin.readline()
def mapi(arg=0): return map(int if arg==0 else str,input().split())
#------------------------------------------------------------------
sys.setrecursionlimit(100005)
mod = 1000000007
N=int(2*1e5+100)
sz = [0]*N
dp = [0]*N
gr = defaultdict(list)
def modPow(a,b):
    ans=1
    while (b):
        if (b&1): ans=(ans*a)%mod
        b>>=1
        a=(a*a)%mod
    return ans

def modInv(x):
    return modPow(x,mod-2)

def dfs(x, par):
    sz[x]=1
    for item in gr[x]:
        if item==par: continue
        dfs(item,x)
        sz[x]+=sz[item]

def dfs1(x, par):
    for item in gr[x]:
        if item==par: continue
        dp[item]=(dp[x]*(n-sz[item]))%mod
        dp[item]=(dp[item]*modInv(sz[item]))%mod
        dfs1(item,x)

n = int(input())
for i in range(n-1):
    x,y = mapi()
    gr[x].append(y)
    gr[y].append(x)
dfs(1,0)
dp[1]=1
for i in range(1,n+1):
    dp[1]=(dp[1]*sz[i])%mod
dfs1(1,0)
res = 1
for i in range(1,n+1):
    res = (res*i)%mod
for i in range(1,n+1):
    dp[i]=(res*modInv(dp[i]))%mod
for i in range(1,n+1):
    print(dp[i])
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=[int(i)for i in input().split()]
res=0
for i in range(n-1):
    res+=sum(map(lambda x:x*a[i]%(1000000000+7),a[i+1:]))

print(res%(1000000000+7))

Fixed submission:
n=int(input())
a=[int(i) for i in input().split()]
s=sum(a)
mod=10**9+7
res=0
for i in a:
    s-=i
    res+=i*s%mod
print(res%mod)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=[int(i)for i in input().split()]
res=0
for i in range(n-1):
    for j in range(i+1,n):
        res+=a[i]*a[j]%(1000000000+7)
print(res%(1000000000+7))

Fixed submission:
n=int(input())
a=[int(i) for i in input().split()]
s=sum(a)
mod=10**9+7
res=0
for i in a:
    s-=i
    res+=i*s%mod
print(res%mod)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=[int(i)%(1000000000+7) for i in input().split()]
res=0
for i in range(n-1):
    for j in range(i+1,n):
        res+=(a[i]*a[j])%(1000000000+7)
print(res%(1000000000+7))

Fixed submission:
n=int(input())
a=[int(i) for i in input().split()]
s=sum(a)
mod=10**9+7
res=0
for i in a:
    s-=i
    res+=i*s%mod
print(res%mod)

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=[int(i)for i in input().split()]
res=0
for i in range(n-1):
    for j in range(i+1,n):
        res+=(a[i]*a[j])%(1000000000+7)
print(res%(1000000000+7))

Fixed submission:
n=int(input())
a=[int(i) for i in input().split()]
s=sum(a)
mod=10**9+7
res=0
for i in a:
    s-=i
    res+=i*s%mod
print(res%mod)
Buggy python submission (verdict: Runtime Error):
n=int(input())
c=list(input())
numW=0
numR=c.count("R")
W=n-numR
a=[]
if numR==0 or W==0:
    print(0)
else:
    for i in range(n):
        if c[i]=="W":
            numW+=1
        else:
            numR-=1
        a.append(max(numR,numW))
print(min(a))

Fixed submission:
n=int(input())
c=list(input())
numW=0
numR=c.count("R")
W=n-numR
a=[]
if numR==0 or W==0:
    print(0)
else:
    for i in range(n):
        if c[i]=="W":
            numW+=1
        else:
            numR-=1
        a.append(max(numR,numW))
    print(min(a))

Buggy python submission (verdict: Runtime Error):
n=int(input())
c=list(input())
numW=0
numR=c.count("R")
a=[]
if numR==0:
    print(0)
else:
    for i in range(n):
        if c[i]=="W":
            numW+=1
        else:
            numR-=1
        a.append(max(numR,numW))
print(min(a))

Fixed submission:
n=int(input())
c=list(input())
numW=0
numR=c.count("R")
W=n-numR
a=[]
if numR==0 or W==0:
    print(0)
else:
    for i in range(n):
        if c[i]=="W":
            numW+=1
        else:
            numR-=1
        a.append(max(numR,numW))
    print(min(a))
Buggy python submission (verdict: Time Limit Exceeded):
h,w=map(int,input().split())
canMove=sum([[(i+j)%2==0 for i in range(w)]for j in range(h)],[])
print(canMove.count(True))

Fixed submission:
h,w=map(int,input().split())
ans=0
if h==1 or w==1:
    ans=1
elif (h*w)%2==0:
    ans=int(h*w//2)
else:
    ans=(h*w//2+1)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=[int(i)for i in input().split()]
res=[1 for i in range(n)]
for i in range(n):
    res[i]+=a.index(i+1)
print(" ".join(map(str,res)))

Fixed submission:
n=int(input())
a=[int(i)for i in input().split()]
res=[0 for i in range(n)]
for i in range(n):
    res[a[i]-1]=i+1
print(" ".join(map(str,res)))

Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=[int(i)for i in input().split()]
res=[]
for i in range(1,n+1):
    res.append(str(a.index(i)+1))
print(" ".join(res))

Fixed submission:
n=int(input())
a=[int(i)for i in input().split()]
res=[0 for i in range(n)]
for i in range(n):
    res[a[i]-1]=i+1
print(" ".join(map(str,res)))
Buggy python submission (verdict: Time Limit Exceeded):
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
for i in range(n):
    print("Yes" if k-q+a.count(i)>0 else "No")

Fixed submission:
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
point=[k-q for i in range(n)]
for i in a:
    point[i]+=1

for i in point:
    print("Yes" if i>0 else "No")

Buggy python submission (verdict: Time Limit Exceeded):
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
point=k-q

for i in range(n):
    print("Yes" if a.count(i)+point>0 else "No")

Fixed submission:
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
point=[k-q for i in range(n)]
for i in a:
    point[i]+=1

for i in point:
    print("Yes" if i>0 else "No")

Buggy python submission (verdict: Time Limit Exceeded):
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
point=[k-q for i in range(n)]

for i in range(n):
    print("Yes" if point[i]+a.count(i)>0 else "No")

Fixed submission:
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
point=[k-q for i in range(n)]
for i in a:
    point[i]+=1

for i in point:
    print("Yes" if i>0 else "No")

Buggy python submission (verdict: Time Limit Exceeded):
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
for i in range(n):
    print("Yes" if k-q+a.count(i)>0 else "No")

Fixed submission:
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
point=[k-q for i in range(n)]
for i in a:
    point[i]+=1

for i in point:
    print("Yes" if i>0 else "No")

Buggy python submission (verdict: Time Limit Exceeded):
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
point=[k-(q-a.count(i)) for i in range(n)]
for i in point:
    print("Yes" if i>0 else "No")

Fixed submission:
n,k,q=map(int,input().split())
a=[int(input())-1 for i in range(q)]
point=[k-q for i in range(n)]
for i in a:
    point[i]+=1

for i in point:
    print("Yes" if i>0 else "No")
Buggy python submission (verdict: Runtime Error):
#include <iostream>
using namespace std;
int main(void){
    int a,b;
    cin>>a>>b;
    int x=0;
    while(x*(a-1)+1<b){
        x++;
    }
    cout<<x<<endl;
}


Fixed submission:
a,b=map(int,input().split())
x=0
while x*(a-1)+1<b:
    x+=1
print(x)
Buggy python submission (verdict: Runtime Error):
from math import ceil
time=[int(input())for i in range(5)]
mod=[i%10 for i in time]
a=124
res=0
for i in range(len(mod)):
    if mod[i] !=0:
        a=min(a,mod[i])
for i in range(5):
    if i==mod.index(a):
        res+=time[i]
    else:
        res+=ceil(time[i]/10)*10
print(res)

Fixed submission:
from math import ceil
time=[int(input())for i in range(5)]
mod=[i%10 for i in time]
a=124
res=0
for i in range(len(mod)):
    if mod[i] !=0:
        a=min(a,mod[i])
if a==124:
    a=0
for i in range(5):
    if i==mod.index(a):
        res+=time[i]
    else:
        res+=ceil(time[i]/10)*10
print(res)
Buggy python submission (verdict: Runtime Error):
a,b=map(int,input())
if a>8 or b>8:
    print(":(")
else:
    print("Yay!")

Fixed submission:
a,b=map(int,input().split())
if a>8 or b>8:
    print(":(")
else:
    print("Yay!")
Buggy python submission (verdict: Runtime Error):
N = int(input())
Alist = list(map(int, input().split()))
V = [0 for v in range(N)]
for i in range(N):
  V[Alist[i]] += i+1

print(' '.join(map(str,V)))


Fixed submission:
N = int(input())
Alist = list(map(int, input().split()))
V = [0]*N
for i in range(N):
  V[Alist[i]-1] += i+1

print(' '.join(map(str,V)))

Buggy python submission (verdict: Runtime Error):
N = int(input())
Alist = list(map(int, input().split()))
V = [0 for v in range(N)]
for i in range(1,N+1):
  A = Alist[i]
  V[A] += i
print(' '.join(map(str,V)))

Fixed submission:
N = int(input())
Alist = list(map(int, input().split()))
V = [0]*N
for i in range(N):
  V[Alist[i]-1] += i+1

print(' '.join(map(str,V)))

Buggy python submission (verdict: Runtime Error):
N = int(input())
Alist = list(map(int, input().split()))
V = [0 for v in range(N)]
for i in range(1,N+1):
  A = Alist[i]
  V[A] += i
print(*A)

Fixed submission:
N = int(input())
Alist = list(map(int, input().split()))
V = [0]*N
for i in range(N):
  V[Alist[i]-1] += i+1

print(' '.join(map(str,V)))
Buggy python submission (verdict: Time Limit Exceeded):
K=int(input())
if K%2==0:
    print('-1')
    exit()
a=0
i=1
while True:
    a=(a*10+7)%K
    if a==0:
        print(i)
        break
    i+=1


Fixed submission:
K=int(input())
if K%2==0 or K%5==0:
    print('-1')
    exit()
a=0
i=1
while True:
    a=(a*10+7)%K
    if a==0:
        print(i)
        break
    i+=1

Buggy python submission (verdict: Time Limit Exceeded):
K=int(input())
if K%2==0:
    print('-1')
    exit()
A='7'*(10**6)
a=int(A)
i=10**6
l=[]
while True:
    a//=10
    if a%K==0:
        break
    elif a in l:
        print('-1')
        break
    l.append(a)
    i-=1
arr=[]
x=i
for j in range(2,int(i**0.5)+1):
    if x%j==0:
        arr.append(i)
        while x%j==0:
            x//=j
if x!=1:
    arr.append(x)
for k in arr:
    if int('7'*k)%K!=0:
        arr.remove(k)
if arr==[]:
    print(i)
else:
    print(min(arr))





Fixed submission:
K=int(input())
if K%2==0 or K%5==0:
    print('-1')
    exit()
a=0
i=1
while True:
    a=(a*10+7)%K
    if a==0:
        print(i)
        break
    i+=1

Buggy python submission (verdict: Time Limit Exceeded):
K=int(input())
a=0
i=1
l=[]
while True:
    a=a*10+7
    a%=K
    if a==0:
        print(i)
        break
    elif a in l:
        print('-1')
        break
    l.append(a)
    i+=1


Fixed submission:
K=int(input())
if K%2==0 or K%5==0:
    print('-1')
    exit()
a=0
i=1
while True:
    a=(a*10+7)%K
    if a==0:
        print(i)
        break
    i+=1
Buggy python submission (verdict: Runtime Error):
N=int(input())
a=list(map(int,input().split()))
ans=0
for i in range(0,N+1,2):
    if a[i]%2==1:
        ans+=1
print(ans)

Fixed submission:
N=int(input())
a=list(map(int,input().split()))
ans=0
for i in range(N):
    if (i+1)%2==1 and a[i]%2==1:
        ans+=1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
a=list(map(int,input().split()))
ans=1
for i in range(n):
    ans*=a[i]
if ans>(10)**(18):
    print('-1')
else:
    print(ans)

Fixed submission:
import sys
n=int(input())
a=list(map(int,input().split()))
for i in range(n):
    if a[i]==0:
        print(0)
        sys.exit()
ans=1
for i in range(n):
    ans*=a[i]
    if ans>10**(18):
        print('-1')
        sys.exit()
print(ans)
Buggy python submission (verdict: Runtime Error):
n,k=list(map(int,input().split()))
h=[range(1,n+1)]
a=[]
for i in range(k):
    d=int(input())
    b=list(map(int,input().split()))
    a.append(*b)
c=set(a)
ans=n-len(c)
print(ans)

Fixed submission:
N,K=list(map(int,input().split()))
h=[]
for k in range(K):
    d_i=int(input())
    a=list(map(int,input().split()))
    for i in range(d_i):
        h.append(a[i])
h2=set(h)
ans=N-len(h2)
print(ans)
Buggy python submission (verdict: Runtime Error):
a=input()
b=input()
l=[1,2,3]
l.remove(a)
l.remove(b)
ans=l[0]
print(ans)

Fixed submission:
a=int(input())
b=int(input())
l=[1,2,3]
l.remove(a)
l.remove(b)
ans=l[0]
print(ans)