qyliang/CodeNanoFix huggingface dataset:
Buggy code:
s = str(input())
k = int(input())
l = []
for i in range(len(s)):
    for j in range(k+1):
        l.append(s[i:i+j])

print(sorted(set(l))[k-1])

Fixed code:
s = str(input())
k = int(input())
l = []
for i in range(len(s)):
    for j in range(1,k+1):
        l.append(s[i:i+j])

print(sorted(set(l))[k-1])
Buggy code:
def calc( s , k , n):

	bruh = {}
	for i  in range(1, n + 1): # length
		for j in range( n - ( i - 1)): # start 
			bruh[s[j: j + i:]] = 0
	another = bruh.keys()
	another = sorted(another)
	return another[k - 1]

s = raw_input()

k = int(raw_input())

n = len(s)
 
print( calc( s , k , n))

Fixed code:
def calc( s , k , n):

	bruh = {}
	for i  in range(1, k + 1): # length
		for j in range( n - ( i - 1)): # start 
			bruh[s[j: j + i:]] = 0
	another = bruh.keys()
	another = sorted(another)
	print( another[k - 1])

s = input()

k = int(input())

n = len(s)
 
calc( s , k , n)
Buggy code:
s = input()
k = int(input())
result = []
for i in range(min(len(s),k)):
  result = result + [s[j:j+i+1] for j in range(len(s)-i)]
  
result = sorted(set(result))
print(result[3])

Fixed code:
s = input()
k = int(input())
result = []
for i in range(min(len(s),k)):
  result = result + [s[j:j+i+1] for j in range(len(s)-i)]
  
result = sorted(set(result))
print(result[k-1])
Buggy code:
s = input()
K = int(input())

strs = set()
for i in range(len(s)):
    for j in range(K + 1):
        if i >= j:
            continue

        strs.add(s[i:j])

strs = sorted(strs)
print (strs[K - 1])

Fixed code:
s = input()
K = int(input())

strs = set()
for i in range(len(s)):
    for j in range(i + K + 1):
        if i >= j:
            continue

        strs.add(s[i:j])

strs = sorted(strs)
print (strs[K - 1])
Buggy code:
s = input()
k = int(input())


list_pair = []
i = 0
while i <= len(s):
    for j in range(i+1,min(len(s)+1,k+1)):
        list_pair.append(s[i:j])
    i = i + 1

list_pair = list(set(list_pair))

list_pair.sort()
print(list_pair[k-1])


Fixed code:
s = input()
k = int(input())


list_pair = []
i = 0
while i <= len(s):
    for j in range(1,min(len(s)-i+1,k+1)):
#        print(j,s[i:i+j])
        list_pair.append(s[i:i+j])
    i = i + 1

list_pair = list(set(list_pair))

list_pair.sort()
print(list_pair[k-1])
Buggy code:
import sys
sys.setrecursionlimit(10**8)
def ii(): return int(sys.stdin.readline())
def mi(): return map(int, sys.stdin.readline().split())
def li(): return list(map(int, sys.stdin.readline().split()))
def li2(N): return [list(map(int, sys.stdin.readline().split())) for _ in range(N)]
def dp2(ini, i, j): return [[ini]*i for _ in range(j)]
def dp3(ini, i, j, k): return [[[ini]*i for _ in range(j)] for _ in range(k)]
#import bisect #bisect.bisect_left(B, a)
from collections import defaultdict #d = defaultdict(int) d[key] += value
import itertools #list(accumulate(A))

#S = input()
S = 'abcdefghijklmnopqrstuvwxyz'*200
K = ii()
N = len(S)
'''
N = len(S)
d = defaultdict(int)
for i in range(N+1):
    for j in range(N-i+1):
        d[S[j:j+i+1]] += 1
l = sorted(d.keys())
#print(l)
print(l[K])
'''

alphabets = list('abcdefghijklmnopqrstuvwxyz')

#print(len(alphabets))
l = []
for alpha in alphabets:
    for i, m in enumerate(S):
        if m == alpha:
            for j in range(1, N-i+1):
                l.append(S[i:i+j])

    l = sorted(set(l))
    if len(l) >= K:
        print(l[K-1])
        exit()

Fixed code:
import sys
sys.setrecursionlimit(10**8)
def ii(): return int(sys.stdin.readline())
def mi(): return map(int, sys.stdin.readline().split())
def li(): return list(map(int, sys.stdin.readline().split()))
def li2(N): return [list(map(int, sys.stdin.readline().split())) for _ in range(N)]
def dp2(ini, i, j): return [[ini]*i for _ in range(j)]
def dp3(ini, i, j, k): return [[[ini]*i for _ in range(j)] for _ in range(k)]
#import bisect #bisect.bisect_left(B, a)
from collections import defaultdict #d = defaultdict(int) d[key] += value
import itertools #list(accumulate(A))

S = input()
K = ii()
N = len(S)

'''
alphabets = list('abcdefghijklmnopqrstuvwxyz')
l = []

for alpha in alphabets:
    for i, m in enumerate(S):
        if m == alpha:
            flag = 1
            for j in range(1, min(K+1, N-i+1)):
                l.append(S[i:i+j])

    l = sorted(set(l))
    if len(l) >= K:
        print(l[K-1])
        exit()
'''
l = []
for i in range(N):
    for j in range(1, K+1):
        if i+j-1 < N:
            l.append(S[i:i+j])

print(sorted(set(l))[K-1])
Buggy code:
s = input()
k = int(input())

subs_list = []
for i in range(len(s)):
    for j in range(i+1, k+1):
        subs_list.append(s[i:j])

ans = sorted(set(subs_list))
print(ans[k-1])


Fixed code:
s = input()
k = int(input())
ans =[]
for i in range(k):
    for j in range(len(s)-i):
        ans.append(s[j:i+j+1])
print(sorted(set(ans))[k-1])
Buggy code:
s = input()
k = int(input())

se = set()
for i in range(len(s)+1):
    for j in range(i,i+k+1):
        se.add(s[i:j])
se.remove('')
l = sorted(list(se))
l.sort(key=len)
print(l[-k])

Fixed code:
s = input()
k = int(input())

se = set()
for i in range(len(s)+1):
    for j in range(i,i+k+1):
        se.add(s[i:j])
se.remove('')
l = sorted(list(se))
print(l[k-1])
Buggy code:
a=input()
p = int(input())
k = []
for i in range(len(a)):
    for j in range(i+1,min(i+6,len(a)-1)):
        k.append(a[i:j])
k = set(k)
k = list(k)
k.sort()
#print(k)
print(k[p-1])

Fixed code:
a=input()
p = int(input())
k = []
for i in range(len(a)):
    for j in range(i+1,min(i+6,len(a)+1)):
        k.append(a[i:j])
#(k)
k = set(k)
k = list(k)
k.sort()
#(k)
print(k[p-1])
Buggy code:
s = input()
k = int(input())

M=k
sss=set()
for i in range(M):
    for j in range(i+1,M+1):
        tmp = s[i:j]
        sss.add(tmp)
l = list(sss)
l.sort()
print(l[k-1])

Fixed code:
s = input()
k = int(input())

M=len(s)
sss=set()
for i in range(M):
    for j in range(i+1,i+k+1):
        tmp = s[i:j]
        sss.add(tmp)
l = list(sss)
l.sort()
print(l[k-1])
Buggy code:
s = input()
k = int(input())
ans = set()
for i in range(len(s)):
    for j in range(1, k + 1):
        ans.add(s[i: j])
ans = list(ans)
ans.sort()
print(ans[k - 1])


Fixed code:
s = input()
k = int(input())
ans = set()
for i in range(len(s)):
    for j in range(1, min(k + 1, len(s) - i + 1)):
        ans.add(s[i: i+j])
ans = list(ans)
ans.sort()
print(ans[k - 1])
Buggy code:
s = input()
K = int(input())
N = len(s)
ans = []

for i in range(1, min(N, 6)):
    for j in range(N - i + 1):
        ans.append(s[j:j+i])

ans = list(set(ans))
ans.sort()
print(ans[K-1])

Fixed code:
s = input()
K = int(input())
N = len(s)
ans = []

for i in range(1, min(N+1, 6)):
    for j in range(N - i + 1):
        ans.append(s[j:j+i])

ans = list(set(ans))
ans.sort()
print(ans[K-1])
Buggy code:
s = input()
K = int(input())
ans = []
for i in set(s):
    ans.append(i)

if K == 1:
    print(sorted(ans)[0])
else:
    for i in range(2, 6):
        for j in range(len(s) - i + 1):
            ans.append(s[j:j+i])
    ans = set(ans)
    ans.sort()
    print(ans[K - 1])

Fixed code:
s = input()
K = int(input())
ans = []
for i in set(s):
    ans.append(i)

if K == 1:
    print(sorted(ans)[0])
else:
    for i in range(2, 6):
        for j in range(len(s) - i + 1):
            ans.append(s[j:j+i])
    ans = list(set(ans))
    ans.sort()
    print(ans[K - 1])
Buggy code:
s=input()
k=int(input())
l=len(s)
a={s[i:i+j+1] for i in range(l) for j in range(k+1)}
a=list(a)
print(a)
a.sort()
print(a)
print(a[k-1])

Fixed code:
s=input()
k=int(input())
l=len(s)
a={s[i:i+j+1] for i in range(l) for j in range(k+1)}
a=list(a)
a.sort()
print(a[k-1])
Buggy code:
s = input()
k = int(input())
sub = []
for i in range(len(s)):
    for j in range(i, len(s)-1):
        sub.append(s[i:j+1])
sub = list(set(sub))
sub.sort()
print(sub[k-1])

Fixed code:
s = input()
k = int(input())
sub = []
for i in range(len(s)):
    for j in range(i, i+5):
        sub.append(s[i:j+1])
sub = list(set(sub))
sub.sort()
print(sub[k-1])
Buggy code:
s = input()
k = int(input())
n = len(s)
heads = []
d = set()
for c in s:
    d.add(c)

for key in d:
    heads.append(key)

heads.sort()
ind = 0
ans = []
while True:
    if ind > len(heads)-1:
        break
    head = heads[ind]
    p = set()
    for i in range(len(s)):
        if s[i] == head:
            p.add(i)
    # print(head)
    ext = 0
    while True:
        flag = False
        dis = -1
        for key in p:
            if key+ext > n-1:
                flag = True
                dis = key
        if flag:
            p.discard(dis)
        if not p:
            break
        for key in p:
            temp = s[key]
            for j in range(1,ext):
                temp += s[key+j]
            if temp not in ans:
                ans.append(temp)
        ext += 1
        if len(ans) >= 500:
            break
    if len(ans) >= 500:
        break
    else:
        ind += 1
# print(ans)
ans.sort()
print(ans[k-1])

# for i in range(len(s)):
#     if


Fixed code:
s = input()
k = int(input())
n = len(s)
heads = []
d = set()
for c in s:
    d.add(c)

for key in d:
    heads.append(key)

heads.sort()
ind = 0
ans = []
while True:
    if ind > len(heads)-1:
        break
    head = heads[ind]
    p = set()
    for i in range(len(s)):
        if s[i] == head:
            p.add(i)
    # print(head)
    ext = 0
    while True:
        flag = False
        dis = -1
        for key in p:
            if key+ext > n-1:
                flag = True
                dis = key
        if flag:
            p.discard(dis)
            # print(ext)
            # print(p)
        if not p:
            break
        for key in p:
            temp = s[key]
            for j in range(1,ext+1):
                temp += s[key+j]
            # print(temp)
            if temp not in ans:
                ans.append(temp)
        ext += 1
        if ext > 5:
            break
        if len(ans) >= 500:
            break
    if len(ans) >= 500:
        break
    else:
        ind += 1

# print(ans)
ans.sort()
print(ans[k-1])

# for i in range(len(s)):
#     if
Buggy code:
s = input()
K = int(input())
sub = {}
for d in range(1,6):
    for i in range(len(s)-d+1):
        sub |= {s[i:i+d]}
print(sorted(sub)[K-1])

Fixed code:
s = input()
K = int(input())
sub = {s}
for d in range(1,6):
    for i in range(len(s)-d+1):
        sub |= {s[i:i+d]}
print(sorted(sub)[K-1])
Buggy code:
s=input();print(sorted(s[i:i+j]for i in range(len(s))for j in range(6))[int(input())])

Fixed code:
s=input();print(sorted({s[i:i+j]for i in range(len(s))for j in range(6)})[int(input())])
Buggy code:
# -*- coding: utf-8 -*-
s = input()
K = int(input())


def substring(s, K):
    substrings = []
    length = len(s)
    for i in range(length):
        for j in range(K+1):
            if i + j >= length:
                break
            substrings.append(s[i:i + j])
    unique_substrings = list(set(substrings))
    unique_substrings.sort()
    return substrings[K]


print(substring(s, K))


Fixed code:
# -*- coding: utf-8 -*-
s = input()
K = int(input())


def substring(s, K):
    substrings = []
    length = len(s)
    for i in range(length):
        for j in range(1, K+1):
            if i + j > length:
                break
            substrings.append(s[i:i + j])
    unique_substrings = list(set(substrings))
    unique_substrings.sort()
    return unique_substrings[K - 1]


print(substring(s, K))
Buggy code:
s = input()
k = int(input())

subs = set()

for i in range(len(s)):
  for j in range(i+1, min(5+i+1, len(s)+1)):
    print(s[i:j])
    subs.add(s[i:j])
subs = list(subs) 
subs.sort()
print(subs[k-1])

Fixed code:
s = input()
k = int(input())

subs = set()

for i in range(len(s)):
  for j in range(i+1, min(5+i+1, len(s)+1)):

    subs.add(s[i:j])
subs = list(subs) 
subs.sort()
print(subs[k-1])
Buggy code:
s = (str)(input())
k = (int)(input())

dic = []

for i in range(len(s)):
    for j in range(i+1, k+1):
        dic.append(s[i:j])

dic = (list)(set(dic))
dic.sort()

print(dic[k-1])


Fixed code:
s = (str)(input())
k = (int)(input())

dic = []

for i in range(len(s)):
    for j in range(1, k+1):
        dic.append(s[i:i+j])

dic = (list)(set(dic))
dic.sort()


print(dic[k-1])
Buggy code:
#-*-coding:utf-8-*-

def main():
    s = input()
    K = int(input())

    a = set()

    for i in range(len(s)):
        for j in range(K):
            a.add(s[i:i+j+1])
            if i + j > len(s):
                break
    a_list = list(a)
    a_list.sort()
    print(a_list[K-1])

Fixed code:
#-*-coding:utf-8-*-

def main():
    s = input()
    K = int(input())

    a = set()

    for i in range(len(s)):
        for j in range(K):
            a.add(s[i:i+j+1])
            if i + j > len(s):
                break
    a_list = list(a)
    a_list.sort()
    print(a_list[K-1])
            

if __name__ == '__main__':
    main()
Buggy code:
s=list(input())
k=int(input())
t=set({})
print(s)
for i in range(min(k,len(s))):
    for j in range(len(s)-i):
        t.add("".join(s[j:i+j+1]))
print(sorted(t)[k-1])  

Fixed code:
s=list(input())
k=int(input())
t=set({})
for i in range(min(k,len(s))):
    for j in range(len(s)-i):
        t.add("".join(s[j:i+j+1]))
print(sorted(t)[k-1])
Buggy code:
s = input()
n = len(s)
k = int(input())
substr = []
for j in range(1, k+1):
    for i in range(n-j):
        sub = s[i:i+j]
        if sub not in substr:
            substr.append(sub)
substr.sort()
print(substr[k-1])


Fixed code:

s = input()
n = len(s)
k = int(input())
substr = []
for j in range(k):
    for i in range(n-j):
        sub = s[i:i+j+1]
        if sub not in substr:
            substr.append(sub)
substr.sort()
print(substr[k-1])
Buggy code:
S = input()
K = int(input())

d = {}
for i in range(len(S)):
    for j in range(i+1,i+K+1):
        s = S[i:j]
        if s in d.keys():
            pass
        else:
            d[s] = 0

d = sorted(d.keys())
print(d)

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

d = {}
for i in range(len(S)):
    for j in range(i+1,i+K+1):
        s = S[i:j]
        if s in d.keys():
            pass
        else:
            d[s] = 0

d = sorted(d.keys())
print(d[K-1])
Buggy code:
s = input()
k = int(input())

words = set()

l = len(s)

for i in range(1,k+1):
    for j in range(l-k):
        words.add(s[j:i+j])

sort_word = sorted(words)
print(sort_word[k-1])

Fixed code:
s = input()
k = int(input())

words = set()

l = k+1 if len(s) > k else len(s) + 1

for i in range(1,l):
    for j in range(len(s)):

        words.add(s[j:i+j])

sort_word = sorted(words)

print(sort_word[k-1])
Buggy code:
s=input()
t=list(s)
u=sorted(list(set(t)))
ans=[]
for i in range(len(u)):
  ans.append(u[i])
k=int(input())
for j in range(1,min(5,len(t))):
  for i in range(len(t)-j):
    ans.append(s[i:i+j+1])
ans=sorted(ans)
print(ans[k-1])
print(ans)

Fixed code:
s=input()
t=list(s)
u=sorted(list(set(t)))
ans=[]
for i in range(len(u)):
  ans.append(u[i])
k=int(input())
for j in range(1,min(10,len(t))):
  for i in range(len(t)-j):
    ans.append(s[i:i+j+1])
ans=sorted(list(set(ans)))
print(ans[k-1])
Buggy code:
from bisect import *
s = str(input())
K = int(input())
ls = len(s)
l = []
for i in range(ls):
  for j in range(i+1,i+K+2):
    l.append(s[i:j])
    print(s[i:j])
l = list(set(l))
l = sorted(l)
print(l)

Fixed code:
from bisect import *
s = str(input())
K = int(input())
ls = len(s)
l = []
for i in range(ls):
  for j in range(i+1,i+K+2):
    l.append(s[i:j])

l = list(set(l))
l = sorted(l)
print(l[K-1])
Buggy code:
def main():
    s = input()
    K = int(input())

    S = set()

    for i in range(len(s)):
        for j in range(1, K+1):
            print(s[i:i+j])
            S.add(s[i:i+j])
    
    sort_S = sorted(list(S))

    print(sort_S[K-1])
main()

Fixed code:
def main():
    s = input()
    K = int(input())

    S = set()

    for i in range(len(s)):
        for j in range(1, K+1):
            S.add(s[i:i+j])
    
    sort_S = sorted(list(S))

    print(sort_S[K-1])
main()
Buggy code:
s=input()
K=int(input())

sub_list=[]

for i in range(len(s)):
    for j in range(1,K+1):
        if(i+j<len(s)):
            sub_list.append(s[i:i+j])

sub_set=set(sub_list)
sub_dict=sorted(sub_set,key=str)

print(sub_dict[K-1])

Fixed code:
s=input()
K=int(input())

sub_list=[]

for i in range(len(s)):
    for j in range(1,K+1):
        if(i+j<=len(s)):
            sub_list.append(s[i:i+j])

sub_set=set(sub_list)
sub_dict=sorted(sub_set,key=str)

print(sub_dict[K-1])
Buggy code:
s=input()
K=int(input())

sub_list=[]
i,j=0,1
while True:
    if(i+j>=len(s) and i==len(s)-1):
        break
    else:
        sub_list.append(s[i:i+j])
        if(j<=K):
            j+=1
        else:
            i+=1
            j=1
set_list=set(sub_list)

dict_list=list(set_list)
dict_list.sort(key=str)

print(dict_list[K-1])

Fixed code:
s=input()
K=int(input())

sub_list=[]
i,j=0,1
while True:
    if(i+j>=len(s) and i==len(s)):
        break
    else:
        sub_list.append(s[i:i+j])
        if(j<=K):
            j+=1
        else:
            i+=1
            j=1
set_list=set(sub_list)

dict_list=list(set_list)
dict_list.sort(key=str)

print(dict_list[K-1])
Buggy code:
s=input()
k=int(input())
ans=[]
n=len(s)
for i in range(n):
    for j in range(n):
        ans.append(s[i:j+1])
ans=list(set(ans))
ans.sort()
if "" in ans:
    ans.pop(0)
if n==1:
    print(s)
else:
    print(ans[k])


Fixed code:
s=input()
k=int(input())
n=len(s)
ans=[]
for i in range(n):
    for j in range(i+1,i+k+1):
        ans.append(s[i:j])
ans=list(set(ans))
ans.sort()
if "" in ans:
    ans.pop(0)
print(ans[k-1])
Buggy code:
d = input()
a = int(input())
p = []
k = len(d)
for i in range(k):
  for j in range(k-i):
    p.append(d[i:i+j])
    
x = list(set(p))
x.sort()
del x[0]

print(x[a-1])

Fixed code:
d = input()
a = int(input())
p = []
k = len(d)
for i in range(k):
  for j in range(min(6,k-i+1)):
    p.append(d[i:i+j])
    
x = list(set(p))
x.sort()
del x[0]
 
print(x[a-1])
Buggy code:
d = input()
a = int(input())
p = []
k = len(d)
for i in range(k):
  for j in range(min({5,k-i+1})):
    p.append(d[i:i+j])
    
x = list(set(p))
x.sort()
del x[0]
 
print(x[a-1])

Fixed code:
d = input()
a = int(input())
p = []
k = len(d)
for i in range(k):
  for j in range(min({6,k-i+1})):
    p.append(d[i:i+j])
    
x = list(set(p))
x.sort()
del x[0]
 
print(x[a-1])
Buggy code:
# coding: utf-8
s = input()
k = int(input())
sb_str = []
for i in range(len(s)+1):
    for j in range(1+i,len(s)+1):
        if i < j:
            sb_str.append(s[i:j])
        if j > 5:
            break

sb_str = list(set(sb_str))
sb_str.sort()
print(sb_str[k-1])


Fixed code:
# coding: utf-8
s = input()
k = int(input())
sb_str = []
for i in range(len(s)+1):
    for j in range(1+i,len(s)+1):
        if len(s[i:j]) > 5:
            break
        if i < j:
            sb_str.append(s[i:j])

sb_str = list(set(sb_str))
sb_str.sort()
print(sb_str[k-1])
Buggy code:
s = list(input())
k =  int(input())
s.append((''))
Dict = {}
dict_keys = []
for left in range(len(s)):
    for right in range(left+1,len(s)):
        string = ''.join(s[left:right])
        if len(string)>k:
            brak
        if string not in Dict.keys():
            Dict[string] = True
Dict = sorted(Dict.keys())
print(Dict[k-1])

Fixed code:
s = list(input())
k =  int(input())
s.append((''))
Dict = {}
dict_keys = []
for left in range(len(s)):
    for right in range(left+1,len(s)):
        string = ''.join(s[left:right])
        if len(string)>k:
            break
        if string not in Dict.keys():
            Dict[string] = True
Dict = sorted(Dict.keys())
print(Dict[k-1])
Buggy code:
s=input().strip()
k=int(input())
A=[]
for i in range(len(s)):
  for j in range(1,6):
    if i+j<=len(s):
      A.append(s[i:i+j])
B=sorted(list(set(A)))
print(B[k])


Fixed code:
s=input().strip()
k=int(input())
A=[]
for i in range(len(s)):
  for j in range(1,6):
    if i+j<=len(s):
      A.append(s[i:i+j])
B=sorted(list(set(A)))
print(B[k-1])
Buggy code:
s = input()
K = int(input())

substr = []
for i in range(len(s)):
    for j in range(i+1, K):
        if len(s) >= K:
            substr.append(s[i:j])
        else:
            if j == len(s)+1:
                break
            substr.append(s[i:j])

substr = list(set(substr))
substr.sort()
print(substr[K-1])

Fixed code:
s = input()
K = int(input())

substr = []
for i in range(len(s)):
    for j in range(i+1, i+K+1):
        if len(s) >= K:
            substr.append(s[i:j])
        else:
            if j == len(s)+1:
                break
            substr.append(s[i:j])

substr = list(set(substr))
substr.sort()

print(substr[K-1])
Buggy code:
s = input()
k = int(input())
n = len(s)

sub = set()

for i in range(n+1):
    for j in range(5):
        sub.add(s[i:i+j])

sub = sorted(sub)

print(sub[k])


Fixed code:
s = input()
k = int(input())
n = len(s)

sub = set()

for i in range(n):
  for j in range(5):
    sub.add(s[i:i+j+1])
print(sorted(sub)[k-1])
Buggy code:
s = input()
K = int(input())
arr = set()
for i in range(len(s)):
    for j in range(i+1,min(i+1+K,len(s))):
        arr.add(s[i:j])
print(list(sorted(arr))[K-1])

Fixed code:
s = input()
K = int(input())
arr = set()
for i in range(len(s)):
    for j in range(i+1,min(i+1+K,len(s)+1)):
        arr.add(s[i:j])
print(sorted(arr)[K-1])
Buggy code:
s = input()
k = int(input())

length = len(s)
substring_list = []
for i in range(length):
    for j in range(1,k+1):
        substring_list.append(s[i:i+j])
result = set(reversed(substring_list))

print(list(result)[k-1])

Fixed code:
s = input()
k = int(input())

length = len(s)
substring_list = []
for i in range(length):
    for j in range(1,k+1):
        substring_list.append(s[i:i+j])
result = list(set(substring_list))
result.sort()

print(result[k-1])
Buggy code:
s = input()
K = int(input())
s_list = []
for i in range(len(s)):
	for j in range(1, K):
		s_list.append(s[i:j])
s_set = set(s_list)
ans = list(s_set.sort())
print(ans[K - 1])

Fixed code:
s = input()
K = int(input())
s_list = []
for i in range(len(s)):
	for j in range(i + 1, i + K + 1):
		s_list.append(s[i:j])
s_set = set(s_list)
ans = list(s_set)
ans.sort()
print(ans[K - 1])
Buggy code:
s = input()
K = int(input())
substr = set()
for i in range(len(s)):
    for j in range(i+1, i+K+1):
        substr.add(s[i:j])
        print(s[i:j])
print(sorted(substr)[K-1])

Fixed code:
s = input()
K = int(input())
substr = set()
for i in range(len(s)):
    for j in range(i+1, i+K+1):
        substr.add(s[i:j])
print(sorted(substr)[K-1])
Buggy code:
s = input()
K = int(input())

S = set([])
for i in range(len(s)):
    for j in range(i + 1, i + 1 + K):
        print(f'{s[i:j]=}')
        S.add(s[i:j])
print(f'{S=}')
print(f'{sorted(S)=}')
ans = sorted(S)[K - 1]
print(ans)


Fixed code:
s = input()
K = int(input())

S = set([])
for i in range(len(s)):
    for j in range(i + 1, i + 1 + K):
        # print(f'{s[i:j]=}')
        S.add(s[i:j])
# print(f'{S=}')
# print(f'{sorted(S)=}')
ans = sorted(S)[K - 1]
print(ans)
Buggy code:
def main():
    S = input()
    k = int(input())

    array = []
    for i in range(len(S)):
        for j in range(i+1,len(S)+1):
            if j-i < len(S):
                array.append(S[i:j])
    array = list(set(array))
    array.sort()
    print(array[k-1])


if __name__ == '__main__':
    main()


Fixed code:
def main():
    S = input()
    k = int(input())

    array = []
    for i in range(len(S)):
        for j in range(i+1,len(S)+1):
            if j-i <= k:
                array.append(S[i:j])
    array = list(set(array))
    array.sort()
    print(array[k-1])


if __name__ == '__main__':
    main()