Buggy python submission (verdict: Time Limit Exceeded):
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])


Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
t = input()
ls = len(s)
lt = len(t)

dp = [["" for i in range(lt+1)] for j in range(ls+1)]

def main(s,t,ls,lt):
    for i in range(ls):
        for j in range(lt):
            if s[i] == t[j]:
                dp[i+1][j+1] = dp[i][j] + s[i]
            else:
                if len(dp[i][j+1]) > len(dp[i+1][j]):
                    dp[i+1][j+1] = dp[i][j+1]
                else:
                    dp[i+1][j+1] = dp[i+1][j]
    return dp[ls][lt]

if __name__ == '__main__':
    print(main(s, t,  ls, lt))



Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
t = input()
ls = len(s)
lt = len(t)

dp = [["" for i in range(lt+1)] for j in range(ls+1)]



for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + s[i]
        else:
            if len(dp[i][j+1]) > len(dp[i+1][j]):
                dp[i+1][j+1] = dp[i][j+1]
            else:
                dp[i+1][j+1] = dp[i+1][j]
print(dp[ls][lt])



Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
t = input()
ls = len(s)
lt = len(t)

dp = [["" for i in range(lt+1)] for j in range(ls+1)]
dp2 = [[0 for i in range(lt+1)] for j in range(ls+1)]


for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + s[i]
            dp2[i+1][j+1] = dp2[i][j] + 1
        else:
            if dp2[i][j+1] > dp2[i+1][j]:
                dp[i+1][j+1] = dp[i][j+1]
                dp2[i+1][j+1] = dp2[i][j+1]
            else:
                dp[i+1][j+1] = dp[i+1][j]
                dp2[i+1][j+1] = dp2[i+1][j]
print(dp[ls][lt])



Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Runtime Error):
import numpy as np


s = input()
t = input()
ls = len(s)
lt = len(t)

dp = np.array([[""]*(lt+2)]*(ls+2), dtype=object)
dp2 = np.zeros(((ls+2), (lt+2)))

for i in range(ls):
    flag = 0
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + s[i]
            dp2[i+1][j+1] = dp2[i][j] + 1
        else:
            if dp2[i][j+1] > dp2[i+1][j]:
                dp[i+1][j+1] = dp[i][j+1]
                dp2[i+1][j+1] = dp2[i][j+1]
            else:
                dp[i+1][j+1] = dp[i+1][j]
                dp2[i+1][j+1] = dp2[i+1][j]
print(dp[ls][lt])



Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Runtime Error):
import numpy as np


s = input()
t = input()
ls = len(s)
lt = len(t)

dp = np.array([[""]*(ls+2)]*(lt+2), dtype=object)
dp2 = np.zeros(((ls+2), (lt+2)))

for i in range(ls):
    flag = 0
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + s[i]
            dp2[i+1][j+1] = dp2[i][j] + 1
        else:
            if dp2[i][j+1] > dp2[i+1][j]:
                dp[i+1][j+1] = dp[i][j+1]
                dp2[i+1][j+1] = dp2[i][j+1]
            else:
                dp[i+1][j+1] = dp[i+1][j]
                dp2[i+1][j+1] = dp2[i+1][j]
print(dp[ls][lt])



Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Runtime Error):
import numpy as np


s = input()
t = input()
ls = len(s)
lt = len(t)

dp = np.array([[""]*(ls+2)]*(lt+2), dtype=object)
dp2 = np.zeros(((ls+2), (lt+2)))

for i in range(ls):
    flag = 0
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + s[i]
            dp2[i+1][j+1] = dp2[i][j] + 1
        else:
            if dp2[i][j+1] > dp2[i+1][j]:
                dp[i+1][j+1] = dp[i][j+1]
                dp2[i+1][j+1] = dp2[i][j+1]
            else:
                dp[i+1][j+1] = dp[i+1][j]
                dp2[i+1][j+1] = dp2[i+1][j]
print(dp[ls][lt])



Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Time Limit Exceeded):
#dp[i+1][j+1]:=Sのi文字目までとTのj文字目までのLCSの長さ
def main():
    S=input()
    T=input()
    ls=len(S)
    lt=len(T)

    dp=[["" for j in range(lt+1)] for i in range(ls+1)]

    for i in range(ls):
        for j in range(lt):
            if S[i]==T[j]: 
                dp[i+1][j+1]=max(dp[i][j]+S[i],dp[i+1][j],dp[i][j+1],key=len)
            else:
                dp[i+1][j+1]=max(dp[i+1][j],dp[i][j+1],key=len)
    print(dp[ls][lt])

main()

Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Time Limit Exceeded):
#dp[i+1][j+1]:=Sのi文字目までとTのj文字目までのLCSの長さ
S=input()
T=input()
ls=len(S)
lt=len(T)

dp=[["" for j in range(lt+1)] for i in range(ls+1)]

for i in range(ls):
    for j in range(lt):
        if S[i]==T[j]: 
            dp[i+1][j+1]=max(dp[i][j]+S[i],dp[i+1][j],dp[i][j+1],key=len)
        else:
            dp[i+1][j+1]=max(dp[i+1][j],dp[i][j+1],key=len)
print(dp[ls][lt])


Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])

Buggy python submission (verdict: Time Limit Exceeded):
#dp[i+1][j+1]:=Sのi文字目までとTのj文字目までのLCSの長さ
S=input()
T=input()
ls=len(S)
lt=len(T)

dp=[["" for j in range(lt+1)] for i in range(ls+1)]

for i in range(ls):
    for j in range(lt):
        if S[i]==T[j]: 
            dp[i+1][j+1]=max(dp[i][j]+S[i],dp[i+1][j],dp[i][j+1],key=len)
        else:
            dp[i+1][j+1]=max(dp[i+1][j],dp[i][j+1],key=len)
print(dp[ls][lt])

Fixed submission:
s = input()
t = input()
ls = len(s)
lt = len(t)


dp = [[0 for i in range(lt+1)] for j in range(ls+1)]
answer = ''

for i in range(ls):
    for j in range(lt):
        if s[i] == t[j]:
            dp[i+1][j+1] = dp[i][j] + 1
        else:
            dp[i+1][j+1] = max(dp[i][j+1], dp[i+1][j])


i = ls-1
j = lt-1
while (0 <= i) & (0 <= j):
    if s[i] == t[j]:
        answer += s[i]
        i -= 1
        j -= 1
    elif dp[i+1][j+1] == dp[i+1][j]:
        j -= 1
    else:
        i -= 1
if len(answer) == 0:
  print('')
else:
  print(answer[::-1])