Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
H,W=map(int,input().split())
S=[list(input())for _ in range(H)]

from collections import deque
import math


def bfs(h,w,sy,sx,gy,gx,S):
    maze=[[10**9]*(W)for _ in range(H)]

    maze[sy-1][sx-1]=0
    que=deque([[sy-1,sx-1]])
    while que:
        y,x=que.popleft()
        for i,j in [(1,0),(0,1),(-1,0),(0,-1)]:
            nexty,nextx=y+i,x+j
            if 0<=nexty<h and 0<=nextx<w:
                dist1=S[nexty][nextx]
                dist2=maze[nexty][nextx]
            else:
                continue
            if dist1!='#':
                if dist2>maze[y][x]+1:
                    maze[nexty][nextx]=maze[y][x]+1
                    que.append([nexty,nextx])
    return maze[gy-1][gx-1]

ans=0
for sy in range(H):
    for sx in range(W):
        for gy in range(H):
            for gx in range(W):
                if S[sy][sx]=='.' and S[gy][gx]=='.':
                    now=bfs(H,W,sy+1,sx+1,gy+1,gx+1,S)
                    ans=max(ans,now)

print(ans)               

Fixed submission:
H,W=map(int,input().split())
S=[list(input())for _ in range(H)]

from collections import deque
import math


def bfs(h,w,sy,sx,S):
    maze=[[10**9]*(W)for _ in range(H)]

    maze[sy-1][sx-1]=0
    que=deque([[sy-1,sx-1]])
    count=0
    while que:
        y,x=que.popleft()
        for i,j in [(1,0),(0,1),(-1,0),(0,-1)]:
            nexty,nextx=y+i,x+j
            if 0<=nexty<h and 0<=nextx<w:
                dist1=S[nexty][nextx]
                dist2=maze[nexty][nextx]
            else:
                continue
            if dist1!='#':
                if dist2>maze[y][x]+1:
                    maze[nexty][nextx]=maze[y][x]+1
                    count=max(count,maze[nexty][nextx])
                    que.append([nexty,nextx])
    return count

ans=0
for sy in range(H):
    for sx in range(W):
        if S[sy][sx]=='.':
            now=bfs(H,W,sy+1,sx+1,S)
            ans=max(ans,now)

print(ans)
Buggy python submission (verdict: Runtime Error):
A,B=map(int,input().split())

import math
print(A*B//math.gcd(A,B))

Fixed submission:
A,B=map(int,input().split())

import fractions
print(A*B//fractions.gcd(A,B))
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
S=input()
code=list(set(list(S)))
ans=0
for i in range(10):
    if str(i) not in code:
        continue
    for j in range(10):
        for k in range(10):
            count=0
            for s in S:
                if count==0:
                    if s==str(i):
                        count+=1
                elif count==1:
                    if s==str(j):
                        count+=1
                elif count==2:
                    if s==str(k):
                        count+=1
                if count==3:
                    ans+=1
                    break
print(ans)

Fixed submission:
N=int(input())
S=input()
ans=0
for i in range(10):
    for j in range(10):
        for k in range(10):
            count=0
            for s in S:
                if count==0:
                    if s==str(i):
                        count+=1
                elif count==1:
                    if s==str(j):
                        count+=1
                elif count==2:
                    if s==str(k):
                        count+=1
                if count==3:
                    ans+=1
                    break
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
S=input()
ans=0
for i in range(10):
    for j in range(10):
        for k in range(10):
            count=0
            for s in S:
                if count==0:
                    if s==str(i):
                        count+=1
                elif count==1:
                    if s==str(j):
                        count+=1
                elif count==2:
                    if s==str(k):
                        count+=1
                if count==3:
                    ans+=1
                    break
print(ans)

Fixed submission:
N=int(input())
S=input()
ans=0
for i in range(10):
    for j in range(10):
        for k in range(10):
            count=0
            for s in S:
                if count==0:
                    if s==str(i):
                        count+=1
                elif count==1:
                    if s==str(j):
                        count+=1
                elif count==2:
                    if s==str(k):
                        count+=1
                if count==3:
                    ans+=1
                    break
print(ans)
Buggy python submission (verdict: Runtime Error):
N=int(input())
*A,=map(int,input().split())

count1=0
i=0
while True:
    count1+=A[i]
    i+=1
    ans1=count1-sum(A[i:])
    if ans1>=0 and ans1<=i:
        break


A=A[::-1]
count2=0
j=0
while True:
    count2+=A[j]
    j+=1
    ans2=count2-sum(A[j:])
    if ans2>=0 and ans2<=j:
        break

print(min(ans1,ans2))

Fixed submission:
N=int(input())
*A,=map(int,input().split())
S=sum(A)

count1=0
count2=[0]*N
i=0
while i<N:
    count1+=A[i]
    count2[i]=abs(S-2*count1)
    i+=1

print(min(count2))
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
*L,=map(int,input().split())

L.sort()
from bisect import*
i=0
ans=0
for i in range(N-1):
    for j in range(i+1,N):
        ans+=bisect_left(L[j:],L[i]+L[j])-1

print(ans)

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

L.sort()
from bisect import*
i=0
ans=0
while i<N:
    j=i+1
    while j<N:
        ans+=bisect_left(L[j:],L[i]+L[j])-1
        j+=1
    i+=1

print(ans)

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

L.sort()
from bisect import*
i=0
ans=0
while i<N:
    j=i+1
    while j<N:
        ans+=bisect_left(L[j:],L[i]+L[j])-1
        j+=1
    i+=1

print(ans)

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

L.sort()
from bisect import*
i=0
ans=0
while i<N:
    j=i+1
    while j<N:
        ans+=bisect_left(L[j:],L[i]+L[j])-1
        j+=1
    i+=1

print(ans)
Buggy python submission (verdict: Runtime Error):
S=input()
K=int(input())

i=1
count=0
N=len(S)
while i<N:
    if S[i]==S[i-1]:
        count+=1
        if i==N-1:
            S+='A'
        i+=1
    i+=1

if S[0]==S[-1]:
    if S[0]==S[1]:
        print(count*K--(K-1)//2)
    else:
        print(count*K+(K-1))
else:
    print(count*K)

Fixed submission:
S=input()
K=int(input())

i=1
count1=0
while i<len(S):
    if S[i]==S[i-1]:
        count1+=1
        i+=1
    i+=1

ss=S*2
i=1
count2=0
while i<len(ss):
    if ss[i]==ss[i-1]:
        count2+=1
        i+=1
    i+=1

if 2*count1+1==count2 and len(set(S))!=1:
    print(K*count1+(K-1))
else:
    print(K*count2//2)
Buggy python submission (verdict: Runtime Error):
n=int(input());print(-(-N//2)/N)

Fixed submission:
N = int(input())

print(-(-N//2)/N)
Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
*A,=map(int,input().split())
A=sorted(A)

while M:
    A[-1]//=2
    M-=1
    i=-2
    while M and (-N<=i and A[i]>=A[-1]):
        A[i]//=2
        M-=1
        print(A)
        i-=1
    A.sort()

print(sum(A))

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

while M:
    A[-1]//=2
    M-=1
    i=-2
    while M and (-N<=i and A[i]>=A[-1]):
        A[i]//=2
        M-=1
        i-=1
    A.sort()

print(sum(A))

Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
*A,=map(int,input().split())
A=sorted(A)[::-1]
count=0
now=0
while M:
    i=0
    while i<=now and M:
        if count<N-1:
            while A[i]<A[count+1]:
                A[count+1]//=2
                count+=1
                M-=1
                if M==0:
                    break
        if M==0:
            break
        A[i]//=2
        i+=1
        M-=1
    now=count
        
print(sum(A))

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

while M:
    A[-1]//=2
    M-=1
    i=-2
    while M and (-N<=i and A[i]>=A[-1]):
        A[i]//=2
        M-=1
        i-=1
    A.sort()

print(sum(A))
Buggy python submission (verdict: Runtime Error):
S=list(input())
S=['_']+S
i=1
ans=0
while i<=len(S)-3:
    ans+=1
    if S[i-1]==S[i]:
        S[i+1]='_'
        i+=1
    i+=1

if len(S)==2:
    ans+=1
elif len(S)-i==1:
    ans+=1
elif S[i]!=S[i+1] and S[i+1]!=S[i+2]:
    ans+=2
else:
    ans+=1

print(ans)

Fixed submission:
S=list(input())
S=['_']+S
i=1
ans=0
while i<=len(S)-3:
    ans+=1
    if S[i-1]==S[i]:
        S[i+1]='_'
        i+=1
    i+=1

if len(S)==2:
    ans+=1
elif len(S)-i==1:
    ans+=1
elif S[i-1]!=S[i] and S[i]!=S[i+1]:
    ans+=2
else:
    ans+=1

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
L,R=map(int,input().split())

ans=2018
i=L
while i<R:
    j=i+1
    while j<=R:
        if i*j%2019==0:
            ans=0
            break
        else:
            ans=min(ans,i*j%2019)
            j+=1
    i+=1

print(ans)

Fixed submission:
L,R=map(int,input().split())

ans=2018
i=L
while i<R:
    j=i+1
    while j<=R:
        if i*j%2019==0:
            ans=0
            break
        else:
            ans=min(ans,i*j%2019)
            j+=1
    i+=1
    if ans==0:
        break

print(ans)

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

ans=2018
i=L
while i<R:
    j=i+1
    while j<=R:
        if i*j%2019==0:
            ans=0
            break
        else:
            ans=min(ans,i*j%2019)
            j+=1
    i+=1

print(ans)

Fixed submission:
L,R=map(int,input().split())

ans=2018
i=L
while i<R:
    j=i+1
    while j<=R:
        if i*j%2019==0:
            ans=0
            break
        else:
            ans=min(ans,i*j%2019)
            j+=1
    i+=1
    if ans==0:
        break

print(ans)
Buggy python submission (verdict: Runtime Error):
N=int(input())
xy=[list(map(int,input().split()))for _ in range(N)]

count=[]
for x1,y1 in xy:
    for x2,y2 in xy:
        if x1==x2 and y1==y2:
            continue
        c=str(x1-x2)+':'+str(y1-y2)
        count.append(c)

from collections import*
C=Counter(count)
print(N-max(C.values()))

Fixed submission:
N=int(input())
xy=[list(map(int,input().split()))for _ in range(N)]

count=[]
for x1,y1 in xy:
    for x2,y2 in xy:
        if x1==x2 and y1==y2:
            continue
        c=str(x1-x2)+':'+str(y1-y2)
        count.append(c)

from collections import*
C=Counter(count)
C['zentsu999']=0
print(N-max(C.values()))
Buggy python submission (verdict: Time Limit Exceeded):
H,W=map(int,input().split())
S=[input()for _ in range(H)]

w1=[[]for _ in range(H)]
for i in range(H):
    for j in range(W):
        if S[i][j]=='#':
            w1[i].append(j)
    w1[i].append(W)

w2=[[0]*W for _ in range(H)]
for i in range(H):
    k=0
    L=-1
    R=w1[i][k]
    for j in range(W):
        if S[i][j]=='#':
            L=w1[i][k]
            k+=1
            R=w1[i][k]
            continue
        w2[i][j]=R-L-1

h1=[[]for _ in range(W)]
for j in range(W):
    for i in range(H):
        if S[i][j]=='#':
            h1[j].append(i)
    h1[j].append(H)

h2=[[0]*W for _ in range(H)]
for j in range(W):
    k=0
    L=-1
    R=h1[j][k]
    for i in range(H):
        if S[i][j]=='#':
            L=h1[j][k]
            k+=1
            R=h1[j][k]
            continue
        h2[i][j]=R-L-1

print(max(w2[i][j]+h2[i][j]-1 for i in range(H)for j in range(W)))

Fixed submission:
H,W=map(int,input().split())
S=[input()for _ in range(H)]

w1=[[]for _ in range(H)]
for i in range(H):
    for j in range(W):
        if S[i][j]=='#':
            w1[i].append(j)
    w1[i].append(W)

w2=[[0]*W for _ in range(H)]
for i in range(H):
    k=0
    L=-1
    R=w1[i][k]
    for j in range(W):
        if S[i][j]=='#':
            L=w1[i][k]
            k+=1
            R=w1[i][k]
            continue
        w2[i][j]=R-L-1

h1=[[]for _ in range(W)]
for j in range(W):
    for i in range(H):
        if S[i][j]=='#':
            h1[j].append(i)
    h1[j].append(H)

h2=[[0]*W for _ in range(H)]
for j in range(W):
    k=0
    L=-1
    R=h1[j][k]
    for i in range(H):
        if S[i][j]=='#':
            L=h1[j][k]
            k+=1
            R=h1[j][k]
            continue
        h2[i][j]=R-L-1

print(max(w2[i][j]+h2[i][j]-1 for i in range(H)for j in range(W)))
Buggy python submission (verdict: Time Limit Exceeded):
N,M=map(int,input().split())
*A,=map(int,input().split())
BC=[list(map(int,input().split()))[::-1]for _ in range(M)]

L=[0]
for c,b in BC:
    L+=[c]*b

ans=sorted(A+L)[::-1]
print(sum(ans[:N]))

Fixed submission:
N,M=map(int,input().split())
*A,=map(int,input().split())
BC=[list(map(int,input().split()))[::-1]for _ in range(M)]
BC=sorted(BC)[::-1]

L=[0]
for c,b in BC:
    L+=[c]*b
    if len(L)-1>N:
        break

ans=sorted(A+L)[::-1]
print(sum(ans[:N]))

Buggy python submission (verdict: Time Limit Exceeded):
N,M=map(int,input().split())
*A,=map(int,input().split())
BC=[list(map(int,input().split()))[::-1]for _ in range(M)]

L=[0]
for c,b in BC:
    L+=[c]*b

ans=sorted(A+L)[::-1]
print(sum(ans[:N]))

Fixed submission:
N,M=map(int,input().split())
*A,=map(int,input().split())
BC=[list(map(int,input().split()))[::-1]for _ in range(M)]
BC=sorted(BC)[::-1]

L=[0]
for c,b in BC:
    L+=[c]*b
    if len(L)-1>N:
        break

ans=sorted(A+L)[::-1]
print(sum(ans[:N]))
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
S=list(input())

from collections import*
C=Counter(S)
M=min(26,len(C))

from itertools import*

ans=0
i=1
while i<=M:
    L=list(combinations(C.values(),i))
    j=0
    while j<len(L):
        a=1
        for l in L[j]:
            a=a*l%(10**9+7)
        ans+=a
        ans%=(10**9+7)
        j+=1
    i+=1

print(ans)

Fixed submission:
N=int(input())
S=list(input())

from collections import*
C=Counter(S)

ans=1
for c in C.values():
    ans*=(c+1)%(10**9+7)
ans=(ans-1)%(10**9+7)

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
S=list(input())

from collections import*
C=Counter(S)
M=min(26,len(C))

from itertools import*

ans=0
i=1
while i<=M:
    L=list(combinations(C.values(),i))
    j=0
    while j<len(L):
        a=1
        for l in L[j]:
            a=a*l%(10**9+7)
        ans+=a
        ans%=(10**9+7)
        j+=1
    i+=1

print(ans)

Fixed submission:
N=int(input())
S=list(input())

from collections import*
C=Counter(S)

ans=1
for c in C.values():
    ans*=(c+1)%(10**9+7)
ans=(ans-1)%(10**9+7)

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
S=list(input())

from collections import*
C=Counter(S)
M=min(26,len(C))

from itertools import*

ans=0
i=1
while i<=M:
    L=list(combinations(C.values(),i))
    j=0
    while j<len(L):
        a=1
        for l in L[j]:
            a*=l 
        ans+=a
        ans%=(10**9+7)
        j+=1
    i+=1

print(ans)

Fixed submission:
N=int(input())
S=list(input())

from collections import*
C=Counter(S)

ans=1
for c in C.values():
    ans*=(c+1)%(10**9+7)
ans=(ans-1)%(10**9+7)

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

ans='NO'
if 'keyence'in S:
    ans='YES'
elif S.find('k')>=0 and S.find('k')<S.rfind('eyence'):
    ans='YES'
elif S.find('ke')>=0 and S.find('ke')<S.rfind('yence'):
    ans='YES'
elif S.find('key')>=0 and S.find('key')<S.rfind('ence'):
    ans='YES
elif S.find('keye')>=0 and S.find('keye')<S.rfind('nce'):
    ans='YES'
elif S.find('keyen')>=0 and S.find('keyen')<S.rfind('ce'):
    ans='YES'
elif S.find('keyenc')>=0 and S.find('keyenc')<S.rfind('e'):
    ans='YES'

print(ans)

Fixed submission:
S=input()

ans='NO'
if S.find('k')==0 and S.rfind('eyence')==len(S)-6:
    ans='YES'
elif S.find('ke')==0 and S.rfind('yence')==len(S)-5:
    ans='YES'
elif S.find('key')==0 and S.rfind('ence')==len(S)-4:
    ans='YES'
elif S.find('keye')==0 and S.rfind('nce')==len(S)-3:
    ans='YES'
elif S.find('keyen')==0 and S.rfind('ce')==len(S)-2:
    ans='YES'
elif S.find('keyenc')==0 and S.rfind('e')==len(S)-1:
    ans='YES'

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

ans=int(P**(1/N))
ans+=1
while ans>0:
    if P%(ans**N)==0:
        break
    ans-=1

print(ans)

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

if N>=10**4:
    print(1)
else:
    ans=int(P**(1/N))
    ans+=1
    while ans>0:
        if P%(ans**N)==0:
            break
        ans-=1

    print(ans)

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

ans=int(P**(1/N))+1
while ans>0:
    if P%(ans**N)==0:
        break
    ans-=1

print(ans)

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

if N>=10**4:
    print(1)
else:
    ans=int(P**(1/N))
    ans+=1
    while ans>0:
        if P%(ans**N)==0:
            break
        ans-=1

    print(ans)

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

ans=int(P**(1/N))+1
while ans>0:
    if P%(ans**N)==0:
        break
    ans-=1

print(ans)

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

if N>=10**4:
    print(1)
else:
    ans=int(P**(1/N))
    ans+=1
    while ans>0:
        if P%(ans**N)==0:
            break
        ans-=1

    print(ans)
Buggy python submission (verdict: Runtime Error):
N=int(input())
*V,=map(int,input().split())

from collections import*
C1=Counter(V[::2])
C1=sorted(C1.items(),key=lambda x:x[1])
C2=Counter(V[1::2])
C2=sorted(C2.items(),key=lambda x:x[1])

K1=C1[-1][0]
V1=C1[-1][1]
K2=C2[-1][0]
V2=C2[-1][1]
if V1>V2:
    if K1==K2:
        V2=C2[-2][1]
elif V2>V1:
    if K1==k2:
        V1=C1[-2][1]
elif K1==K2:
    if len(set(C1))==1:
        V2=C2[-2*(len(set(C2))>1)][1]*(len(set(C2))>1)
    else:
        V1=C1[-2*(len(set(C1))>1)][1]*(len(set(C1))>1)

print(N-V1-V2)

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

from collections import*
C1=Counter(V[::2])
C1=sorted(C1.items(),key=lambda x:x[1])
C2=Counter(V[1::2])
C2=sorted(C2.items(),key=lambda x:x[1])

K1=C1[-1][0]
V1=C1[-1][1]
K2=C2[-1][0]
V2=C2[-1][1]
if V1>V2:
    if K1==K2:
        V2=C2[-2][1]
elif V2>V1:
    if K1==K2:
        V1=C1[-2][1]
else:
    if K1==K2:
        if len(set(V))==1:
            V2=0
        else:
            V2=max(C1[-2][1],C2[-2][1])

print(N-V1-V2)
Buggy python submission (verdict: Runtime Error):
N=int(input())
*H,=map(int,input().split())
RH=H[::-1]

ans='Yes'
i=0
while i+1<=N-1:
    if RH[i+1]-RH[i]==1:
        RH[i+1]-=1
    elif RH[i+1]-RH[i]>=

Fixed submission:
N=int(input())

ans='No'
i=0
while 7*i<=N:
    if (N-7*i)%4==0:
        ans='Yes'
    i+=1

print(ans)
Buggy python submission (verdict: Runtime Error):
K=int(input());print('ABC'(K<1200)or'ARC'(K<2800)or'AGC')

Fixed submission:
K=int(input());print('ABC'*(K<1200)or'ARC'*(K<2800)or'AGC')
Buggy python submission (verdict: Time Limit Exceeded):
A,B=map(int,input().split())
H=[0]*1000

i=1
while i<=999:
    H[i]=i+H[i-1]
    i+=1

ans=0
while True:
    if (A+ans in H)and(B+ans==H[H.index(A+ans)+1] in H):
        break
    else:
        ans+=1
    
print(ans)

Fixed submission:
A,B=map(int,input().split())
H=[0]*1000

i=1
while i<=999:
    H[i]=i+H[i-1]
    i+=1

ans=0
while True:
    if (A+ans in H)and(B+ans==H[H.index(A+ans)+1] in H):
        break
    else:
        ans+=1
    
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
S=input()
N=len(S)
K=int(input())

from collections import*
ans=set([])
for i in range(1,N+1):
    now=S[:i]
    ans.add(now)
    now=list(now)
    now=deque(now)
    for s in S[i:]:
        now.append(s)
        now.popleft()
        a=''.join(now)
        ans.add(a)
ans=sorted(list(ans))
print(ans[K-1])

Fixed submission:
S=input()
N=len(S)
K=int(input())
A=[]
for i in range(1,K+1):
    j=0
    while j+i<=N:
        A.append(S[j:j+i])
        j+=1
A=list(set(A))
A.sort()
print(A[K-1])

Buggy python submission (verdict: Time Limit Exceeded):
S=input()
N=len(S)
K=int(input())

from collections import*
ans=set([])
for i in range(1,N+1):
    now=S[:i]
    ans.add(now)
    now=list(now)
    now=deque(now)
    for s in S[i:]:
        now.append(s)
        now.popleft()
        a=''.join(now)
        ans.add(a)
ans=sorted(list(ans))
print(ans[K-1])

Fixed submission:
S=input()
N=len(S)
K=int(input())
A=[]
for i in range(1,K+1):
    j=0
    while j+i<=N:
        A.append(S[j:j+i])
        j+=1
A=list(set(A))
A.sort()
print(A[K-1])

Buggy python submission (verdict: Time Limit Exceeded):
S=input()
N=len(S)
K=int(input())

ans=set([])
for i in range(1,N+1):
    j=0
    while j+i<=N:
        ans.add(S[j:j+i])
        j+=1
ans=sorted(list(ans))
print(ans[K-1])

Fixed submission:
S=input()
N=len(S)
K=int(input())
A=[]
for i in range(1,K+1):
    j=0
    while j+i<=N:
        A.append(S[j:j+i])
        j+=1
A=list(set(A))
A.sort()
print(A[K-1])

Buggy python submission (verdict: Time Limit Exceeded):
S=input()
N=len(S)
K=int(input())

ans=set([])
for i in range(1,N+1):
    j=0
    while j+i<=N:
        ans.add(S[j:j+i])
        j+=1
ans=sorted(list(ans))
print(ans[K-1])

Fixed submission:
S=input()
N=len(S)
K=int(input())
A=[]
for i in range(1,K+1):
    j=0
    while j+i<=N:
        A.append(S[j:j+i])
        j+=1
A=list(set(A))
A.sort()
print(A[K-1])
Buggy python submission (verdict: Runtime Error):
N,X=map(int,input().split())
*M,=map(int,open(0))
print(N+(X-sum(M))//min(M))

Fixed submission:
N,X,*M,=map(int,open(0).read().split())
print(N+(X-sum(M))//min(M))
Buggy python submission (verdict: Runtime Error):
N=input()
N=int(N)
S=[0]*N
for i in range(N):
    S[i]=input()

M=input()
M=int(M)
T=[0]*M
for i in range(M):
    T[i]=input()

A=[]
for i in S:
    A.append(S.count(i)-T.count(i))

print(max(*A,0))

Fixed submission:
N=input()
N=int(N)
S=[0]*N
for i in range(N):
    S[i]=input()

M=input()
M=int(M)
T=[0]*M
for i in range(M):
    T[i]=input()

A=[]
for i in S:
    A.append(S.count(i)-T.count(i))

print(max(0,max(A)))

Buggy python submission (verdict: Runtime Error):
N=int(input())
S=[0]*N
for i in range(N):
    S[i]=input()

M=int(input())
T=[0]*M
for i in range(M):
    T[i]=input()

A=[]
for i in S:
    A.append(S.count(i)-T.count(i))

print(max(*A,0))

Fixed submission:
N=input()
N=int(N)
S=[0]*N
for i in range(N):
    S[i]=input()

M=input()
M=int(M)
T=[0]*M
for i in range(M):
    T[i]=input()

A=[]
for i in S:
    A.append(S.count(i)-T.count(i))

print(max(0,max(A)))

Buggy python submission (verdict: Runtime Error):
N=int(input())
S=[0]*N
for i in range(N):
    S[i]=input()

M=int(input())
T=[0]*M
for i in range(M):
    T[i]=input()

A=[]
for i in S:
    A.append(S.count(i)-T.count(i))

print(max(*A,0))

Fixed submission:
N=input()
N=int(N)
S=[0]*N
for i in range(N):
    S[i]=input()

M=input()
M=int(M)
T=[0]*M
for i in range(M):
    T[i]=input()

A=[]
for i in S:
    A.append(S.count(i)-T.count(i))

print(max(0,max(A)))
Buggy python submission (verdict: Runtime Error):
A,B=input().split()
print('YNeos'[int(A+B)**0.5%1!=0::2])

Fixed submission:
N,*D=open(0);print(len(set(D)))
Buggy python submission (verdict: Runtime Error):
S=input()
T=input()

Rs=list(S)[::-1]
Rt=list(T)[::-1]
N=len(S)
M=len(T)
i=0
while i+M<N:
    j=0
    while j<M:
        if Rs[i+j]=='?' or Rs[i+j]==Rt[j]:
            j+=1
        else:
            i+=1
            break
    if j==M:
        break

if j!=M:
    ans='UNRESTORABLE'
else:
    for t in Rt:
        Rs[i]=t
        i+=1
    ans=''.join(Rs[::-1]).replace('?','a')
print(ans)

Fixed submission:
S=input()
T=input()
ns=len(S)
nt=len(T)
ans=[]
i=0
while i+nt<=ns:
    j=0
    while j<nt:
        if S[i+j]=='?' or S[i+j]==T[j]:
            j+=1
        else:
            break
    if j==nt:
        A=S[:i]+T+S[i+nt:]
        A=A.replace('?','a')
        ans.append(A)
    i+=1
    
if ans:
    print(sorted(ans)[0])
else:
    print('UNRESTORABLE')