ZhenlongDai/ACPR huggingface dataset:
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()


if len(S) <= K:
    print(S)
else:
    s = S.split(S[K])
    S = s[0]
    S = S + "..."
    print(S)

Failing test case input:
7
oiksbncooletics

Expected output:
oiksbnc...


Actual output:
...


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


if len(S) <= K:
    print(S)
else:
    s =""
    for i in range(K):
        s = s + S[i]

    s = s + "..."
    print(s)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()
if len(S)<=K:
    print(S)
else:
   print(S+"...")

Failing test case input:
7
ecitslosdnaokin

Expected output:
ecitslo...


Actual output:
ecitslosdnaokin...


Fixed submission (verdict: Accepted):
K=int(input())
S=input()
if len(S)<=K:
    print(S)
else:
   print(S[0:K]+"...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):





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

result = ""
if len(s) <= k:
    result = s
else:
    for i in range(0, k - 1):
        result += s[i]
    result += "..."

print(result)


Failing test case input:
7
uscvclfqokbiopk

Expected output:
uscvclf...


Actual output:
uscvcl...


Fixed submission (verdict: Accepted):





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

result = ""
if len(s) <= k:
    result = s
else:
    for i in range(0, k):
        result += s[i]
    result += "..."

print(result)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
n=int(input())
 
s=input()
l=len(s)
if l>n:
  print(s[:n].join('...'))
else:
  print(s)

Failing test case input:
7
oiksbncooletics

Expected output:
oiksbnc...


Actual output:
.oiksbnc.oiksbnc.


Fixed submission (verdict: Accepted):
n=int(input())
 
s=input()
l=len(s)
if l>n:
  print(s[:n]+'...')
else:
  print(s)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()

if len(s) <= k:
    print(s)
else:
    print(s[:k] + '・・・')


Failing test case input:
7
ksnjllnqtmbvdbf

Expected output:
ksnjlln...


Actual output:
ksnjlln・・・


Fixed submission (verdict: Accepted):
k = int(input())
s = input()

if len(s) <= k:
    print(s)
else:
    print(s[:k] + '...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k=input()
n=input()

m=len(n)

t=int (k)



if(m<=t):
  print("n")
  
else:
  for i, name in enumerate(n):
    if i==t:
      print("...")
      break
    print(name,end='')
    

   
    
    



Failing test case input:
40
feiclebhmterhnmioesrdquodvonunteretdnt

Expected output:
feiclebhmterhnmioesrdquodvonunteretdnt


Actual output:
n


Fixed submission (verdict: Accepted):
k=input()
n=input()

m=len(n)

t=int (k)



if(m<=t):
  print(n)
  
else:
  for i, name in enumerate(n):
    if i==t:
      print("...")
      break
    print(name,end='')
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()

if len(S) >= K:
  print(S)
else:
  print(S[:K] + "...")


Failing test case input:
40
tnctvsgtnfsodvuoerethoofihpetlqbmliddg

Expected output:
tnctvsgtnfsodvuoerethoofihpetlqbmliddg


Actual output:
tnctvsgtnfsodvuoerethoofihpetlqbmliddg...


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

if len(S) <= K:
  print(S)
else:
  print(S[:K] + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
import sys

K = int(input())
S = input()

print(K,len(S))

if K >= len(S):
    print(S)
else:
    print(S[:K]+'...')

Failing test case input:
40
gedilmbcltepphfoohtereouvdhsfntgsvtont

Expected output:
gedilmbcltepphfoohtereouvdhsfntgsvtont


Actual output:
40 38
gedilmbcltepphfoohtereouvdhsfntgsvtont


Fixed submission (verdict: Accepted):
import sys

K = int(input())
S = input()

if K >= len(S):
    print(S)
else:
    print(S[:K]+'...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=list(input())
if len(S)>=K:
  answer=[]
  for i in range(K):
    answer.append(S[i])
  answer.append('...')
  s=''
  for i in range(len(answer)):
    s+=answer[i]
  print(s)
  print(1)
else:
  g=''
  for i in range(len(S)):
    g+=S[i]
  g+='...'
  print(g)

Failing test case input:
40
gddhlfbqmteshimoohtreeuovdoovntgsftcnt

Expected output:
gddhlfbqmteshimoohtreeuovdoovntgsftcnt


Actual output:
gddhlfbqmteshimoohtreeuovdoovntgsftcnt...


Fixed submission (verdict: Accepted):
K=int(input())
S=list(input())
if len(S)>K:
  answer=[]
  for i in range(K):
    answer.append(S[i])
  answer.append('...')
  s=''
  for i in range(len(answer)):
    s+=answer[i]
  print(s)
else:
  g=''
  for i in range(len(S)):
    g+=S[i]
  print(g)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = str(input())

if len(S)>K:
  print(S[0:K], "...")
else:
  print(S)

Failing test case input:
7
fbdvbntqollinuk

Expected output:
fbdvbnt...


Actual output:
fbdvbnt ...


Fixed submission (verdict: Accepted):
K = int(input())
S = str(input())

if len(S)>K:
  print(S[0:K] + "...")
else:
  print(S)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
if len(S) <= K:
    print(S)
else:
    _S = S[K:] + '...'
    print(_S)

Failing test case input:
7
scctskoofnciljp

Expected output:
scctsko...


Actual output:
ofnciljp...


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
if len(S) <= K:
    print(S)
if len(S) > K:
    _S = S[:K] + '...'
    print(_S)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
print(s if len(s) <= k else s+"...")  


Failing test case input:
7
kumilkoqfbbvdtn

Expected output:
kumilko...


Actual output:
kumilkoqfbbvdtn...


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
print(s if len(s) <= k else s[:k] +"...")
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
num=int(input())
str=input()
if(len(str)<=num):
  print(str)
else:
  print(str[0:num],"...")

Failing test case input:
7
jpniclopfkcusct

Expected output:
jpniclo...


Actual output:
jpniclo ...


Fixed submission (verdict: Accepted):
num=int(input())
str=input()
if(len(str)<=num):
  print(str)
else:
  print(str[0:num]+"...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = str(input())
if len(S) <= K:
    print(S)
else:
    print(S[:K]+'…')

Failing test case input:
7
ecitslosdnaokin

Expected output:
ecitslo...


Actual output:
ecitslo…


Fixed submission (verdict: Accepted):
K = int(input())
S = str(input())
if len(S) <= K:
    print(S)
else:
    print(S[:K]+'...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = list(input())

if len(s) <= k:
    print(s)

s_sub = s[:k]
print(''.join(s_sub) + '...')


Failing test case input:
40
tnctvsgtnfpodvouerethoofihsetlqbmlhddg

Expected output:
tnctvsgtnfpodvouerethoofihsetlqbmlhddg


Actual output:
['t', 'n', 'c', 't', 'v', 's', 'g', 't', 'n', 'f', 'p', 'o', 'd', 'v', 'o', 'u', 'e', 'r', 'e', 't', 'h', 'o', 'o', 'f', 'i', 'h', 's', 'e', 't', 'l', 'q', 'b', 'm', 'l', 'h', 'd', 'd', 'g']
tnctvsgtnfpodvouerethoofihsetlqbmlhddg...


Fixed submission (verdict: Accepted):
k = int(input())
s = list(input())

if len(s) <= k:
    print(''.join(s))
    exit()

s_sub = s[:k]
print(''.join(s_sub) + '...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
SS = (int(len(S)))
if SS-K < 0:
  print(S)
else:
  print((S[:SS-K])+('.'*K))

Failing test case input:
7
kooibkoqflcvcsu

Expected output:
kooibko...


Actual output:
kooibkoq.......


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
SS = (int(len(S)))
if SS-K <= 0:
  print(S)
else:
  print((S[:K-SS])+('.'*3))

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
Sl = len(S)
if Sl <= K:
  ans = S
else:
  newS = S[0 : K-1]
  ans = (newS + "...")
print(ans)

Failing test case input:
7
oikoandrolstice

Expected output:
oikoand...


Actual output:
oikoan...


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
Sl = len(S)
if Sl <= K:
  ans = S
else:
  newS = S[0 : K]
  ans = (newS + "...")
print(ans)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()

if(len(S) <= K) :
    print(S)
else :
    S+="..."
    print(S)

Failing test case input:
7
kumilkoqfbbvdtn

Expected output:
kumilko...


Actual output:
kumilkoqfbbvdtn...


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

if(len(S) <= K) :
    print(S)
else :
    S = S[:K]
    S+="..."
    print(S)
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
if len(S) <= K:
    print(S)
else:
    print(S[:K+1]+'...')


Failing test case input:
7
ktnjllnqtmbvdbf

Expected output:
ktnjlln...


Actual output:
ktnjllnq...


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
if len(S) <= K:
    print(S)
else:
    print(S[:K]+'...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()

if len(S) <= K:
  print(S)
else:
  print(S[:],'...')

Failing test case input:
7
scetiloocnbskio

Expected output:
scetilo...


Actual output:
scetiloocnbskio ...


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

if len(S) <= K:
  print(S)
else:
  print(S[:K]+'...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()
if len(S)<=K:
    print(S)
else:
   print(S[K]+"...")

Failing test case input:
7
uscvclfqokbiopk

Expected output:
uscvclf...


Actual output:
q...


Fixed submission (verdict: Accepted):
K=int(input())
S=input()
if len(S)<=K:
    print(S)
else:
   print(S[0:K]+"...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
n=int(input())
s=(input())
l=len(s)
if n<=l:
  print(s)
else:
  print(s[0:n]+"...")


Failing test case input:
40
ferelibenterhominesidquodvonuntcredunt

Expected output:
ferelibenterhominesidquodvonuntcredunt


Actual output:
ferelibenterhominesidquodvonuntcredunt...


Fixed submission (verdict: Accepted):
n=int(input())
s=(input())
l=len(s)
if n>=l:
  print(s)
else:
  print(s[0:n]+"...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
def inp():
    return(int(input()))


k = inp()

s = input()
res = s
if len(s) > k:
    res = s[:k+1] + "..."
print(res)


Failing test case input:
7
tcsuckfpolcinpj

Expected output:
tcsuckf...


Actual output:
tcsuckfp...


Fixed submission (verdict: Accepted):
def inp():
    return(int(input()))


k = inp()

s = input()
res = s
if len(s) > k:
    res = s[:k] + "..."
print(res)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
if(len(s) > k):
  print(s[:k+1] + '...')
else:
  print(s)

Failing test case input:
7
kuoibkoqflcvdso

Expected output:
kuoibko...


Actual output:
kuoibkoq...


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
if(len(s) > k):
  print(s[:k] + '...')
else:
  print(s)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()
if len(S)<=K:
    print(S)
else:
    print(S[:K],"...")

Failing test case input:
7
scctskoofnciljp

Expected output:
scctsko...


Actual output:
scctsko ...


Fixed submission (verdict: Accepted):
K=int(input())
S=input()
if len(S)<=K:
    print(S)
else:
    print(S[:K]+"...")
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
sen = input()
print(sen[:k] + '...' if len(sen) > k else '')

Failing test case input:
40
gehclebqmterhimnohrrdeuoveoovntfsftent

Expected output:
gehclebqmterhimnohrrdeuoveoovntfsftent


Actual output:

Fixed submission (verdict: Accepted):
k = int(input())
sen = input()
print(sen[:k] + ('...' if len(sen) > k else ''))

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = str(input())
if k>=len(s):
  print(s)
else:
  a = str(s+s[0:k])
  print(a)


Failing test case input:
7
ftdvbnbqollinuk

Expected output:
ftdvbnb...


Actual output:
ftdvbnbqollinukftdvbnb


Fixed submission (verdict: Accepted):
k = int(input())
s = str(input())
if k>=len(s):
  print(s)
else:
  a = s[0:k]+'...'
  print(a)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
ans= str()
for i in s:
    ans+=i
if len(s)<=k:
    print(ans)
else:
    print(ans+'...')

Failing test case input:
7
scctskfpolcinpj

Expected output:
scctskf...


Actual output:
scctskfpolcinpj...


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
ans= str()

if len(s)<=k:
    for i in s:
        ans+=i
    print(ans)
else:
    for i in range(k):
        ans+=s[i]
    print(ans+'...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()

S = list(S)
out = []
for i in range(K):
    if i >= len(S):
        break
    out.append(S[i])


if i+1 != len(S):
    out.append('...')

print(''.join(out))


Failing test case input:
40
fehclebhmterhnmioqsrdeuoevoounteretent

Expected output:
fehclebhmterhnmioqsrdeuoevoounteretent


Actual output:
fehclebhmterhnmioqsrdeuoevoounteretent...


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

S = list(S)
out = []
flag = 0
for i in range(K):
    if i >= len(S):
        flag = 1
        break
    out.append(S[i])


if (i+1 != len(S)) and flag == 0:
    out.append('...')

print(''.join(out))

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
s = [input() for i in range(2)]
if len(s[1]) > int(s[0]):
    print(s[1])
elif len(s[1]) <= int(s[0]):
    print(s[1][0:int(s[0])] + '...')



Failing test case input:
7
scetiloocnbskio

Expected output:
scetilo...


Actual output:
scetiloocnbskio


Fixed submission (verdict: Accepted):
s = [input() for i in range(2)]
if len(s[1]) <= int(s[0]):
    print(s[1])
elif len(s[1]) > int(s[0]):
    print(s[1][0:int(s[0])] + '...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = list(input())
len_S = int(len(S))
S1 = ' '

if len_S <= K:
  print(K)
else:
  del S[K:]
  for x in S:
    S1 += x
  print(S1 + '...')

Failing test case input:
40
tnetesftnvooevouedrrhoimnhretmqbelcheg

Expected output:
tnetesftnvooevouedrrhoimnhretmqbelcheg


Actual output:
40


Fixed submission (verdict: Accepted):
K = int(input())
S = list(input())
len_S = int(len(S))
S1 = ' '

if len_S <= K:
  for x in S:
    S1 += x
  print(S1)
else:
  del S[K:]
  for x in S:
    S1 += x
  print(S1 + '...')
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
 
if len(str(s)) <= k:
  print(s)
else:
  print(s[k:] + '...')

Failing test case input:
7
fbdvbmtqnllintk

Expected output:
fbdvbmt...


Actual output:
qnllintk...


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
 
if len(str(s)) <= k:
  print(s)
else:
  print(s[:k] + '...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = input()
s = input()
print(s)
if(len(s) <= int(k)):
  print(s)
else:
  print(s[:int(k)]+'...')

Failing test case input:
7
kpniclopfkcusct

Expected output:
kpniclo...


Actual output:
kpniclopfkcusct
kpniclo...


Fixed submission (verdict: Accepted):
k = input()
s = input()
if(len(s) <= int(k)):
  print(s)
else:
  print(s[:int(k)]+'...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=list(input())
answer=[]
if len(S)>K:
  for i in range(K):
    answer.append(S[i])
  answer.append('...')
  s=''
  for i in range(len(answer)):
    s+=answer[i]
  print(s)
else:
    print(S)

Failing test case input:
40
gddhlfbqmterhimoohsreeuovdoovntgsftcnt

Expected output:
gddhlfbqmterhimoohsreeuovdoovntgsftcnt


Actual output:
g d d h l f b q m t e r h i m o o h s r e e u o v d o o v n t g s f t c n t

Fixed submission (verdict: Accepted):
K=int(input())
S=list(input())
if len(S)>K:
  answer=[]
  for i in range(K):
    answer.append(S[i])
  answer.append('...')
  s=''
  for i in range(len(answer)):
    s+=answer[i]
  print(s)
else:
  g=''
  for i in range(len(S)):
    g+=S[i]
  print(g)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()

print(len(S), K)
if K < len(S):
    print(f"{S[:K]}...")
else:
    print(S)


Failing test case input:
40
gedilmacltnnphfeohtereouvdhsfptgsvtont

Expected output:
gedilmacltnnphfeohtereouvdhsfptgsvtont


Actual output:
38 40
gedilmacltnnphfeohtereouvdhsfptgsvtont


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

if K < len(S):
    print(f"{S[:K]}...")
else:
    print(S)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline

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

t = ""
a = len(s)


if k >= a:
    print(s)
else:
    for i in range(k, len(s)):
        t += "."

    print(s[:k] + t)


Failing test case input:
7
fbdvbntqollinuk

Expected output:
fbdvbnt...


Actual output:
fbdvbnt........


Fixed submission (verdict: Accepted):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline

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

t = ""
a = len(s)


if k >= a:
    print(s)
else:
    print(s[:k] + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
print(len(s))

if len(s) > k:
  print(s[:k] + '...')
else:
  print(s)

Failing test case input:
7
scctskoofnciljp

Expected output:
scctsko...


Actual output:
15
scctsko...


Fixed submission (verdict: Accepted):
k = int(input())
s = input()

if len(s) > k:
  print(s[:k] + '...')
else:
  print(s)
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
if(len(S)>K):
    for i in range(K):
        print(S[i],end="")
    print("…")
else:
    print(S)

Failing test case input:
7
ecitslosdnaokin

Expected output:
ecitslo...


Actual output:
ecitslo…


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
if(len(S)>K):
    for i in range(K):
        print(S[i],end="")
    print("...")
else:
    print(S)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k=int(input())
s=input()
t=len(list(s))
print(t)
n=""
if(t<=k):
    print(s)
else:
    for i in range(k):
        n=n+s[i]
    n=n+"..."
    print(n)

Failing test case input:
40
gddhlfbqmteshimoohtreeuovdoovntgsftcnt

Expected output:
gddhlfbqmteshimoohtreeuovdoovntgsftcnt


Actual output:
38
gddhlfbqmteshimoohtreeuovdoovntgsftcnt


Fixed submission (verdict: Accepted):
k=int(input())
s=input()
t=len(list(s))

n=""
if(t<=k):
    print(s)
else:
    for i in range(k):
        n=n+s[i]
    n=n+"..."
    print(n)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()

print(len(S), K)
if len(S) <= K:
    print(S)
else:
    print(S[:K] + '...')


Failing test case input:
40
fehclebhmterhnmioqsrdeuoevonunteretent

Expected output:
fehclebhmterhnmioqsrdeuoevonunteretent


Actual output:
38 40
fehclebhmterhnmioqsrdeuoevonunteretent


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

if len(S) <= K:
    print(S)
else:
    print(S[:K] + '...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input().split()
if len(S) > K:
  print("S")
else:
  print(S [:K])


Failing test case input:
40
gedilmbqltepcifoohtereouvdosfntgsvthnt

Expected output:
gedilmbqltepcifoohtereouvdosfntgsvthnt


Actual output:
gedilmbqltepcifoohtereouvdosfntgsvthnt

Fixed submission (verdict: Accepted):
K = int(input())
S = input()
if len(S) <= K:
  print(S)
else:
  print(S[:K] + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
l = len(list(s))
if l <=k:
    print(s)
else:
    t = s+"..."
    print(t)


Failing test case input:
7
uscvckfqolbiopk

Expected output:
uscvckf...


Actual output:
uscvckfqolbiopk...


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
n = len(list(s))
if n <= k:
    print(s)
else:
    t = s[:k]+"..."
    print(t)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input().split()
num=len(S)
S=str(S[0])

if num>=K:
    print(S)
else:
    res=S[:K]
    print(res+"...")

Failing test case input:
40
gddhlfbqmteshimoohtereuovdopvntgsftcnt

Expected output:
gddhlfbqmteshimoohtereuovdopvntgsftcnt


Actual output:
gddhlfbqmteshimoohtereuovdopvntgsftcnt...


Fixed submission (verdict: Accepted):
K=int(input())
S=input().split()
S=str(S[0])

num=len(S)


if num<=K:
    print(S)
    
elif num>K:
    res=S[:K]
    print(res+"...")
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
num = int(input())
word = str(input())

if len(word) <= num:
    print(word)
else:
    word_r = word[:num]
    for _ in range(len(word) - num):
        word_r += '.'
    print(word_r)

Failing test case input:
7
nikoandsolstice

Expected output:
nikoand...

Actual output:
nikoand........


Fixed submission (verdict: Accepted):
num = int(input())
word = str(input())

if len(word) <= num:
    print(word)
else:
    word_r = word[:num] + '...'
    print(word_r)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()
if (K>=len(S)):
    print (S)
else:
    print ((S[0:(K+1)]) + "...")

Failing test case input:
7
nikoandrolstice

Expected output:
nikoand...


Actual output:
nikoandr...


Fixed submission (verdict: Accepted):
K=int(input())
S=input()
if (K>=len(S)):
    print (S)
else:
    print ((S[0:(K)]) + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
s = len(S)

if s <= K:
  print(S)
else:
  print(S[:K+1] + "...")


Failing test case input:
7
scctskoofnciljp

Expected output:
scctsko...


Actual output:
scctskoo...


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
s = len(S)

if s <= K:
  print(S)
else:
  print(S[:K] + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
split_str = S[:K]
if len(S) > K:
    print(split_str)
else:
    print(S)

Failing test case input:
7
tcctskfpolcinpj

Expected output:
tcctskf...


Actual output:
tcctskf


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
split_str = S[:K]
if len(S) > K:
    print(split_str+"...")
else:
    print(S)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()

if len(S)>K:
  print(S[:K],"...")
else:
  print(S[:])
  

Failing test case input:
7
scctslooenbikjp

Expected output:
scctslo...


Actual output:
scctslo ...


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

if len(S)>K:
  print(S[:K]+"...")
else:
  print(S[:])

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k=int(input())
s=str(input())

if len(s) <=k:
    print(s)

else:
    print(s[0:k],'...')

Failing test case input:
7
ftdvbnbqollinuk

Expected output:
ftdvbnb...


Actual output:
ftdvbnb ...


Fixed submission (verdict: Accepted):
k=int(input())
s=str(input())

if len(s) <=k:
    print(s)

else:
    c=s[0:k]+ '...'
    print(c)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
a=int(input())
b=input()
if a>len(b):
  print(b)
else:
  print(b[0:a],"...")

Failing test case input:
7
uscvckfqolbiopk

Expected output:
uscvckf...


Actual output:
uscvckf ...


Fixed submission (verdict: Accepted):
a=int(input())
b=input()
if a>=len(b):
  print(b)
else:
  print(b[0:a]+"...")
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
print((s[:k], s)[k >= len(s)])

Failing test case input:
7
tcctskfpolcinpj

Expected output:
tcctskf...


Actual output:
tcctskf


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
print(('{}...'.format(s[:k]), s)[k >= len(s)])

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()




if len(S) <= K :
  print(S)
else:
  print(S[1:K] + "...")

Failing test case input:
7
nikoandsolstice

Expected output:
nikoand...

Actual output:
ikoand...


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




if len(S) <= K :
  print(S)
else:
  print(S[0:K] + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
s = input()

if len(s)>K:
    print(s[:K]+"...")


Failing test case input:
40
gddhlfbqmterhimoohrreeuovdoovntgsftcnt

Expected output:
gddhlfbqmterhimoohrreeuovdoovntgsftcnt


Actual output:

Fixed submission (verdict: Accepted):
K = int(input())
s = input()

if len(s)>K:
    print(s[:K]+"...")
else:
    print(s)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k=int(input())
s=str(input())
if len(s)>k:
  print(s[0:k]+"...")


Failing test case input:
40
gedilmbcltepphfoohtereouvdhsfntgsvtont

Expected output:
gedilmbcltepphfoohtereouvdhsfntgsvtont


Actual output:

Fixed submission (verdict: Accepted):
k=int(input())
s=str(input())
if len(s)>k:
  print(s[0:k]+"...")
else:
  print(s)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
slen = len(s)
if slen > k:
    print(s)
else:
    print(s[:k])


Failing test case input:
7
kuoilkoqfbcvdso

Expected output:
kuoilko...


Actual output:
kuoilkoqfbcvdso


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
slen = len(s)
if slen > k:
    print(s[:k] + "...")
else:
    print(s)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k, s = int(input()), input()
print(s[::k] + "..." if len(s) > k else s)

Failing test case input:
7
kpniclopfkcusct

Expected output:
kpniclo...


Actual output:
kpt...


Fixed submission (verdict: Accepted):
k, s = int(input()), input()
print(s[:k] + "..." if len(s) > k else s)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()

if len(s) <= k:
    print(s)
else:
    print(s[:7])

Failing test case input:
7
ktnjllnqtmbvdbf

Expected output:
ktnjlln...


Actual output:
ktnjlln


Fixed submission (verdict: Accepted):
k = int(input())
s = input()

if len(s) <= k:
    print(s)
else:
    print(s[:k]+'...')

Problem: p02676
Buggy submission (PyPy3 (7.3.0), verdict: Wrong Answer):

k = int(input())
s = input()
if k == len(s):
    print(s)
else:
    print(s[:k] + '...')

Failing test case input:
40
gedilmbpltepchfoohtereouvdhsfntgsvtont

Expected output:
gedilmbpltepchfoohtereouvdhsfntgsvtont


Actual output:
gedilmbpltepchfoohtereouvdhsfntgsvtont...


Fixed submission (verdict: Accepted):

k = int(input())
s = input()
n = len(s)
if  n <= k:
    print(s)
elif  n != k:
    print(s[:k]+'...')
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
list_s =list(S)
T = len(list_s)
if T > K:
    for i in range(K,T):
        list_s[i] = '.'
    S =""
    for i in range(T):
        S += list_s[i]
print(S)

Failing test case input:
7
kumilloqfnbvdtb

Expected output:
kumillo...


Actual output:
kumillo........


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
list_s =list(S)
T = len(list_s)
if T > K:
    for i in range(K,T):
        del list_s[K]
    S =""
    for i in range(K):
        S += list_s[i]
    S += '...'
print(S)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k=int(input())
s=input()
print(s if len(s)<=k else s[1:k+1]+"...")

Failing test case input:
7
nikoandsolstice

Expected output:
nikoand...

Actual output:
ikoands...


Fixed submission (verdict: Accepted):
k=int(input())
s=input()
print(s if len(s)<=k else s[0:k]+"...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()

if (len(S) <= K):
    print(S)
else:
    print(S[0:K-1])

Failing test case input:
7
jpniclfookstccs

Expected output:
jpniclf...


Actual output:
jpnicl


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

if (len(S) <= K):
    print(S)
else:
    print(S[0:K] + "...")

Problem: p02676
Buggy submission (PyPy3 (7.3.0), verdict: Wrong Answer):
k = int(input())
s = input()
if len(s) <= k:
  print(s)
else:
  print(s[:k] + '.' * (len(s) - k))


Failing test case input:
7
tcctskfpolcinpj

Expected output:
tcctskf...


Actual output:
tcctskf........


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
if len(s) <= k:
  print(s)
else:
  print(s[:k] + '...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()
ans = ""
if K >= len(S):
    print(S)
else:
    for i in range(K):
        ans += S[i]
    print(ans + "…")

Failing test case input:
7
tcsuckfpolcinpj

Expected output:
tcsuckf...


Actual output:
tcsuckf…


Fixed submission (verdict: Accepted):
K = int(input())
S = input()
ans = ""
if K >= len(S):
    print(S)
else:
    for i in range(K):
        ans += S[i]
    print(ans + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()
if len(s) <= k:
    print(s)
else:
    for i in range(k):
        print(s[i],end="")
print("...")

Failing test case input:
40
gddilmbqltepcifoohtereouvdosfntgsvthnt

Expected output:
gddilmbqltepcifoohtereouvdosfntgsvthnt


Actual output:
gddilmbqltepcifoohtereouvdosfntgsvthnt
...


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
if len(s) <= k:
    print(s)
else:
    for i in range(k):
        print(s[i],end="")
    print("...")
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = input()
s = input(str())



print('-------------')
if len(s) <= int(k):
    print(s)

else:

    print(s[0:int(k)] + '...')

Failing test case input:
7
jpniclopfkcusct

Expected output:
jpniclo...


Actual output:
-------------
jpniclo...


Fixed submission (verdict: Accepted):
k = input()
s = input(str())

if len(s) <= int(k):
    print(s)

else:
    print(s[0:int(k)] + '...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
def triple_dot():
    k = int(input())
    s = list(input())
    len_s =len(s)
    result_s = []
    
    if len_s > k:
        for i in range(k):
            result_s.append(s[i])
    print("".join(result_s) + "...")


triple_dot()

Failing test case input:
40
tndteretnunovdouqdisenimohretnebhlcref

Expected output:
tndteretnunovdouqdisenimohretnebhlcref


Actual output:
...


Fixed submission (verdict: Accepted):
def triple_dot():
    k = int(input())
    s = input()
    len_s =len(s)
    result_s = []
    
    if len_s > k:
        for i in range(k):
            result_s.append(s[i])
        print("".join(result_s) + "...")
    else:
        print("".join(s))
triple_dot()

Problem: p02676
Buggy submission (PyPy3 (7.3.0), verdict: Wrong Answer):
k = int(input())
s = input()

if len(s) <= k:
  print(s)
else:
  print("...{}".format(s[:k]))

Failing test case input:
7
scctskfpolcinpj

Expected output:
scctskf...


Actual output:
...scctskf


Fixed submission (verdict: Accepted):
k = int(input())
s = input()
if len(s) <= k:
  print(s)
else:
  print("{}...".format(s[:k]))

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
if __name__ == "__main__":
    k = int(input())
    s = input()
    
    ls = len(s)
    print(len(s))
    
    if ls<=k:
        print(s)
    else:
        print(s[0:k] + "...")

Failing test case input:
7
tcsuckfpolcinpj

Expected output:
tcsuckf...


Actual output:
15
tcsuckf...


Fixed submission (verdict: Accepted):
if __name__ == "__main__":
    k = int(input())
    s = input()
    ls = len(s)
    
    if ls<=k:
        print(s)
    else:
        print(s[0:k] + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = input()

if len(s) > 7:
  print("{}...".format(s))
else:
  print(s)
  

Failing test case input:
7
kuoilkoqfbcvdso

Expected output:
kuoilko...


Actual output:
kuoilkoqfbcvdso...


Fixed submission (verdict: Accepted):
k = int(input())
s = input()

if len(s) > k:
  print("{}...".format(s[0:k]))
else:
  print(s)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()
if len(S)<=K:
    print(S)
else:
    T=[]
    S=list(S)
    for i in range(K):
        T.append(S[i])
        K="".join(T)
    print(K,"...")

Failing test case input:
7
oikobncsoletics

Expected output:
oikobnc...


Actual output:
oikobnc ...


Fixed submission (verdict: Accepted):
K=int(input())
S=input()
if len(S)<=K:
    print(S)
else:
    T=[]
    S=list(S)
    for i in range(K):
        T.append(S[i])
        K="".join(T)
    print(K+"...")
Problem: p02676
Buggy submission (PyPy3 (7.3.0), verdict: Wrong Answer):
K = int(input())
S = input()

leng = len(S)
print(leng)

if(leng > K):
  word = S[0:K] + '...'
else:
  word = S

print(word)


Failing test case input:
40
tnetfsftnvooevouedrrhonmihretmqbelcheg

Expected output:
tnetfsftnvooevouedrrhonmihretmqbelcheg


Actual output:
38
tnetfsftnvooevouedrrhonmihretmqbelcheg


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

leng = len(S)


if(leng > K):
  word = S[0:K] + '...'
else:
  word = S

print(word)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = input()

if len(S) < K:
    print(K)
else:
    print(S[:K] + "...")

Failing test case input:
40
fehclebqmtfrhnmiohsrdeuoveoovnteretent

Expected output:
fehclebqmtfrhnmiohsrdeuoveoovnteretent


Actual output:
40


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

if len(S) <= K:
    print(S)
else:
    print(S[:K] + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k = int(input())
s = str(input())

if len(s) == k:
    print(s)
else:
    print(s[:k] + "...")


Failing test case input:
40
tnetesftnvooevouedrrhoimnhretmqbelchef

Expected output:
tnetesftnvooevouedrrhoimnhretmqbelchef


Actual output:
tnetesftnvooevouedrrhoimnhretmqbelchef...


Fixed submission (verdict: Accepted):
k = int(input())
s = str(input())

if len(s) <= k:
    print(s)
else:
    print(s[:k] + "...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = input()
S = input()

if len(S) <= int(K):
  print(S)
else:
  print(S+"...")

Failing test case input:
7
kumilloqfnbvdtb

Expected output:
kumillo...


Actual output:
kumilloqfnbvdtb...


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

if len(S) <= K:
  print(S)
else:
  print(S[0:K]+"...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()
print(S if len(S)<=K else S[0:K]+"."*(len(S)-K)) 

Failing test case input:
7
ktnillnqtmbvdbf

Expected output:
ktnilln...


Actual output:
ktnilln........


Fixed submission (verdict: Accepted):
K=int(input())
S=input()
print(S if len(S)<=K else S[0:K]+"."*3)

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=list(input())

if (len(S)+1) <= K:
    print(S)
else:
    print(S[0:K:1],"...")


Failing test case input:
40
ferelibenterhominesidquodvonuntcreudnt

Expected output:
ferelibenterhominesidquodvonuntcreudnt


Actual output:
f e r e l i b e n t e r h o m i n e s i d q u o d v o n u n t c r e u d n t

Fixed submission (verdict: Accepted):
K=int(input())
S=input()
s=list(S)

if len(s) <= K:
    print(S)
else:
    print(S[0:K:]+"...")

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()
if len(S)<=K:
  print(S)
else:
  print(S[0:K])


Failing test case input:
7
scetsloocnbikjo

Expected output:
scetslo...


Actual output:
scetslo


Fixed submission (verdict: Accepted):
K=int(input())
S=input()
if len(S)<=K:
  print(S)
else:
  print(S[0:K]+'...')
Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = str(input())

SK = S[0 : (K)]

if len(S) <= K:
    answer = S
else:
    print(SK + '...')

Failing test case input:
40
gddhlmbqlteshifoohtereuovdopvntgsftcnt

Expected output:
gddhlmbqlteshifoohtereuovdopvntgsftcnt


Actual output:

Fixed submission (verdict: Accepted):
K = int(input())
S = str(input())

SK = S[0 : (K)]

if len(S) <= K:
    print(S)
else:
    print(SK + '...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
k=int(input())
s=input()
if(k>len(s)):
  print(s)
else:
  print(s[0:k],"...")


Failing test case input:
7
ftdvbnbqollinuk

Expected output:
ftdvbnb...


Actual output:
ftdvbnb ...


Fixed submission (verdict: Accepted):
k=int(input())
s=input()
if(k>=len(s)):
  print(s)
else:
  print(s[0:k]+'...')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K=int(input())
S=input()

if len(S)<=K:
    print(S)
else:
    print(S[:K],'...')

Failing test case input:
7
uscuckfqolcinpk

Expected output:
uscuckf...


Actual output:
uscuckf ...


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

if len(S)<=K:
    print(S)
else:
    print(S[:K],'...',sep='')

Problem: p02676
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
K = int(input())
S = str(input())

print(len(S))

if len(S) <= K :
    print(S)
else :
    a = S[:K] + '...'
    print(a)


Failing test case input:
40
tneteretnvooevouedrshoimnhrftmqbelchef

Expected output:
tneteretnvooevouedrshoimnhrftmqbelchef


Actual output:
38
tneteretnvooevouedrshoimnhrftmqbelchef


Fixed submission (verdict: Accepted):
K = int(input())
S = str(input())


if len(S) <= K :
    print(S)
else :
    a = S[:K] + '...'
    print(a)
Problem: p02769
Buggy submission (PyPy3 (2.4.0), verdict: Wrong Answer):
mod=10**9+7
comb1=1
comb2=1
N,K=map(int,input().split())
k=min(K,N-1)
x=0
for i in range(k):
 comb1=(comb1*(N-i)*pow(i+1,mod-2,mod))%(mod)
 comb2=(comb2*(N-1-i)*pow(i+1,mod-2,mod))%(mod)
 x+=(comb1*comb2)%(mod)
print(x%(mod))


Failing test case input:
136854 1011001000

Expected output:
665630318


Actual output:
665630317


Fixed submission (verdict: Accepted):
mod=10**9+7
comb1=1
comb2=1
N,K=map(int,input().split())
k=min(K,N-1)
x=0
for i in range(k):
 comb1=(comb1*(N-i)*pow(i+1,mod-2,mod))%(mod)
 comb2=(comb2*(N-1-i)*pow(i+1,mod-2,mod))%(mod)
 x+=(comb1*comb2)%(mod)
print((x+1)%(mod))

Problem: p02769
Buggy submission (PyPy3 (2.4.0), verdict: Wrong Answer):
mod=10**9+7
n,k=map(int,input().split())
ans=1-k%2
coef1=n
coef2=n-1
for i in range(1,min(k+1,n)):
  tmp=1
  tmp*=coef1
  tmp%=mod
  tmp*=coef2
  tmp%=mod
  ans+=tmp
  ans%=mod  
  coef1*=n-i
  coef1%=mod
  coef1*=pow(i+1,mod-2,mod)
  coef1%=mod
  coef2*=n-1-i
  coef2%=mod
  coef2*=pow(i+1,mod-2,mod)
  coef2%=mod
print(ans)

Failing test case input:
90099 0001001001

Expected output:
153178923


Actual output:
153178922


Fixed submission (verdict: Accepted):
mod=10**9+7
n,k=map(int,input().split())
ans=1
coef1=n
coef2=n-1
for i in range(1,min(k+1,n)):
  tmp=1
  tmp*=coef1
  tmp%=mod
  tmp*=coef2
  tmp%=mod
  ans+=tmp
  ans%=mod  
  coef1*=n-i
  coef1%=mod
  coef1*=pow(i+1,mod-2,mod)
  coef1%=mod
  coef2*=n-1-i
  coef2%=mod
  coef2*=pow(i+1,mod-2,mod)
  coef2%=mod
print(ans)

Problem: p02769
Buggy submission (Python (3.4.3), verdict: Wrong Answer):
n, k = map(int, input().split())
mod = 10**9+7

k = min([k, n-1])


ans = 0
key = 1

for i in range(k):
    ans += key
    ans %= mod
    key = (((key*(n-i)%mod)*(n-i-1)%mod)*pow(pow(i+1, mod-2, mod), 2, mod))%mod
print(ans)

Failing test case input:
87493 1101000010

Expected output:
203844701


Actual output:
203757208


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

k = min([k, n-1])


ans = 0
key = 1

for i in range(k+1):
    ans += key
    ans %= mod
    key = (((key*(n-i)%mod)*(n-i-1)%mod)*pow(pow(i+1, mod-2, mod), 2, mod))%mod
print(ans)

Problem: p02769
Buggy submission (Python (3.4.3), verdict: Wrong Answer):
n, k = map(int, input().split())
c1 = 1
c2 = 1
mod = 10**9+7
ans = 0

for i in range(min(n, k+1)):
  ans += c1 * c2
  c1 *= (n-i) * pow(i+1, mod-2, mod)
  c1 %= mod
  c2 *= (n-i-1) * pow(i+1, mod-2, mod)
  c2 %= mod

print(ans)

Failing test case input:
29941 1101010110

Expected output:
661394850


Actual output:
7531761447084991155384


Fixed submission (verdict: Accepted):
n, k = map(int, input().split())
c1 = 1
c2 = 1
mod = 10**9+7
ans = 0

for i in range(min(n, k+1)):
  ans += c1 * c2
  c1 *= (n-i) * pow(i+1, mod-2, mod)
  c1 %= mod
  c2 *= (n-i-1) * pow(i+1, mod-2, mod)
  c2 %= mod

print(ans%mod)
Problem: p02769
Buggy submission (PyPy3 (2.4.0), verdict: Wrong Answer):
n,k=map(int,input().split())
mod=10**9+7
k=min(k,n)
ans=1
g=1
h=1
for i in range(k):
    g*=(n-i)*pow(k+i,mod-2,mod)
    g%=mod
    h*=(n-1-i)*pow(k+i,mod-2,mod)
    h%=mod
    ans+=g*h%mod
    ans%=mod
print(ans)

Failing test case input:
140753 0011001000

Expected output:
810481869


Actual output:
791452245


Fixed submission (verdict: Accepted):
n,k=map(int,input().split())
mod=10**9+7
k=min(k,n-1)
ans=1
g=1
h=1
for i in range(k):
    g*=(n-i)*pow(i+1,mod-2,mod)
    g%=mod
    h*=(n-1-i)*pow(i+1,mod-2,mod)
    h%=mod
    ans+=g*h%mod
    ans%=mod
print(ans)

Problem: p02769
Buggy submission (PyPy3 (7.3.0), verdict: Wrong Answer):
n,k = map(int,input().split())
mod = 10**9 + 7

fact = [1]
finv = [1]
for i in range(1, 2*n):
    fact.append((fact[i-1] * i) % mod)
    finv.append(pow(fact[i], mod-2, mod))

if n-1 <= k:
    print((fact[2*n-1] * finv[n] * finv[n-1]) % mod)


Failing test case input:
29 12

Expected output:
88909006


Actual output:

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

fact = [1]
finv = [1]
for i in range(1, 2*n):
    fact.append((fact[i-1] * i) % mod)
    finv.append(pow(fact[i], mod-2, mod))

if n-1 <= k:
    print((fact[2*n-1] * finv[n] * finv[n-1]) % mod)
    exit()

ans = 0
for i in range(k+1):
    ans += fact[n] * finv[n-i] * finv[i] * fact[n-1] * finv[n-1-i] * finv[i]
    ans %= mod

print(ans)

Problem: p02769
Buggy submission (Python (3.4.3), verdict: Wrong Answer):
n, k = map(int, input().split())
mod = 10**9 + 7


















ans = 1
comb = 1
for i in range(1, min(n, k+1)):
	comb *= (n-i+1)
	comb %= mod
	comb *= pow(i, mod-2, mod)
	comb %= mod

	tmp = 1
	tmp *= comb
	tmp *= pow(n-i, i, mod)
	tmp %= mod
	ans += tmp
	ans %= mod
ans %= mod
print(ans)

Failing test case input:
86789 0001010000

Expected output:
169846132


Actual output:
201837788


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

ans = 1
comb = 1
H = 1
for i in range(1,min(n, k+1)):
	tmp = 1
	comb *= (n-i+1)
	comb %= mod
	comb *= pow(i, mod-2, mod)
	comb %= mod

	tmp *= comb
	tmp %= mod

	H *= n-i
	H %= mod
	H *= pow(i, mod-2, mod)
	H %= mod

	tmp *= H
	tmp %= mod

	ans += tmp
	ans %= mod

print(ans)
Problem: p03197
Buggy submission (PyPy3 (7.3.0), verdict: Wrong Answer):

def main():
	n = int(input())
	ans =0
	for i in range(0 , n):
		t = int(input())
		ans = ans+(t%2)
	if ans%2!=0:
		print("first")
	else:
		print("second")
if __name__=="__main__":
	main()

Failing test case input:
3
001111
2
63165

Expected output:
first


Actual output:
second


Fixed submission (verdict: Accepted):

def main():
	n = int(input())
	ans =0
	f=0
	for i in range(0 , n):
		t = int(input())
		if t%2!=0:
			f=1
	if f==1:
		print("first")
	else:
		print("second")
if __name__=="__main__":
	main()

Problem: p03197
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
def main():
    n = int(input())
    a = list([int(input()) for i in range(n)])
    ans = sum(a)
    if(ans % 2 == 0):
        print('second')
    else:
        print('first')

main()

Failing test case input:
3
100110
625
19247

Expected output:
first


Actual output:
second


Fixed submission (verdict: Accepted):
def main():
    n = int(input())
    a = list([(int(input())) % 2 for i in range(n)])
    ans = sum(a)
    if(ans == 0):
        print('second')
    else:
        print('first')

main()

Problem: p03197
Buggy submission (Python (3.8.2), verdict: Wrong Answer):
N = int(input())
A = [int(input()) for _ in range(N)]
cnt1 = A.count(1)

if cnt1 % 2 == 1:
    print("first")
else:
    print("second")


Failing test case input:
3
001010
7813
42166

Expected output:
first


Actual output:
second


Fixed submission (verdict: Accepted):
N = int(input())
A = [int(input()) % 2 == 0 for _ in range(N)]

if all(A):
    print("second")
else:
    print("first")

Problem: p03197
Buggy submission (PyPy3 (2.4.0), verdict: Wrong Answer):
N=int(input())
a=[int(i) for i in range(N)]
for i in a:
  if i%2==1:
    print("first")
    exit()
print("second")


Failing test case input:
3
101110
2
34268

Expected output:
second


Actual output:
first


Fixed submission (verdict: Accepted):
N=int(input())
a=[int(input()) for i in range(N)]
for i in a:
  if i%2==1:
    print("first")
    exit()
print("second")

Problem: p03197
Buggy submission (PyPy3 (7.3.0), verdict: Wrong Answer):
n = int(input())
l = []
for _ in range(n):
    a = int(input())
    l.append(a)
b = True
for i in range(n):
    if l[i] % 2 != 0:
        b = False
if b:
    print('first')
else:
    print('second')

Failing test case input:
3
100010
24068
29639

Expected output:
first


Actual output:
second


Fixed submission (verdict: Accepted):
n = int(input())
l = []
for _ in range(n):
    a = int(input())
    l.append(a)
b = True
for i in range(n):
    if l[i] % 2 != 0:
        b = False
if b:
    print('second')
else:
    print('first')

Problem: p03197
Buggy submission (Python (3.4.3), verdict: Wrong Answer):
N = int(input())
A = sorted(list(map(int, input().split())))

if [a for a in A if a % 2 == 1]:
    print('first')
else:
    print('second')


Failing test case input:
3
000110
729
19247

Expected output:
first


Actual output:
second


Fixed submission (verdict: Accepted):
N = int(input())
A = [int(input()) for i in range(N)]

if [a for a in A if a % 2 == 1]:
    print('first')
else:
    print('second')