qyliang/CodeNanoFix huggingface dataset:
Buggy code:
from collections import Counter
n=int(input())
s=[input() for i in range(n)]
s=Counter(s)
p=[]
p.append(s.most_common()[0][0])
for i in range(n):
    if s.most_common(i+1)[i][1]==s.most_common(i+2)[i+1][1]:
        p.append(s.most_common(i+2)[i+1][0])
    else:
        break
p=sorted(p)
for i in range(len(p)):
    print(p[i])

Fixed code:
import collections
from collections import Counter
n=int(input())
s=[input() for i in range(n)]
s=Counter(s)
p=[]
k=s.most_common()
p.append(k[0][0])
for i in range(len(collections.Counter(s))-1):
    if k[i][1]==k[i+1][1]:
        p.append(k[i+1][0])
    else:
        break
p=sorted(p)
for i in range(len(p)):
    print(p[i])
Buggy code:
from itertools import groupby
from iterator import itemgetter

a = groupby(sorted(input() for _ in range(int(input()))))
a = [(len(tuple(g)), s) for s, g in a]
m = max(a, key=itemgetter(0))[0]
for k, s in a:
  if k == m:
    print(s)


Fixed code:
from itertools import groupby

a = groupby(sorted(input() for _ in range(int(input()))))
a = [(len(tuple(g)), s) for s, g in a]
m = max(a)[0]
for k, s in a:
  if k == m:
    print(s)
Buggy code:
from collections import Counter

c = Counter(input() for _ in range(int(input())))
m = max(c.values())
for s in sorted(s for s, k in c.items() if k == m) 
  print(s)


Fixed code:
from collections import Counter

c = Counter(input() for _ in range(int(input())))
m = max(c.values())
for s in sorted(s for s, k in c.items() if k == m): 
  print(s)
Buggy code:
N = int(input())
S = [input() for _ in range(N)]

hash = {}
for i in range(N):
    if S[i] in hash:
        hash[S[i]] += 1
    else:
        hash[S[i]] = 1

max_value = max(hash.values())

result = {}
for i in hash.keys():
    if hash[i] == max_value:
        result[hash[i]] = True

for key in sorted(hash.keys()):
    print(key)

Fixed code:
N = int(input())
S = [input() for _ in range(N)]

hash = {}
for i in range(N):
    if S[i] in hash:
        hash[S[i]] += 1
    else:
        hash[S[i]] = 1

max_value = max(hash.values())

result = {}
for key in hash.keys():
    if hash[key] == max_value:
        result[key] = True

for key in sorted(result.keys()):
    print(key)
Buggy code:
N = int(input())
S = [input() for i in range(N)]
S.sort()
maxi = 0
tmp = 0
ans = []
for i in range(N-1):
  if S[i] == S[i+1]:
    tmp += 1
  else:
    if tmp > maxi:
      maxi = tmp
      ans.clear()
      ans.append(S[i])
    elif tmp == maxi:
      ans.append(S[i])
    tmp = 0
  if i == N-2:
      if S[i] == S[i+1]:
        if tmp > maxi:
          maxi = tmp
          ans.clear()
          ans.append(S[i])
        elif tmp == maxi:
          ans.append(S[i])
      else:
        if maxi == 1:
          ans.append(S[N-1])
for i in range(len(ans)):
  print(ans[i])

Fixed code:
N = int(input())
S = [input() for i in range(N)]
S.sort()
maxi = 0
tmp = 1
ans = []
for i in range(N-1):
  if S[i] == S[i+1]:
    tmp += 1
  else:
    if tmp > maxi:
      maxi = tmp
      ans.clear()
      ans.append(S[i])
    elif tmp == maxi:
      ans.append(S[i])
    tmp = 1
  if i == N-2:
      if S[i] == S[i+1]:
        if tmp > maxi:
          maxi = tmp
          ans.clear()
          ans.append(S[i])
        elif tmp == maxi:
          ans.append(S[i])
      else:
        if maxi == 1:
          ans.append(S[N-1])
for i in range(len(ans)):
  print(ans[i])
Buggy code:
def i():
	return int(input())
def i2():
	return map(int,input().split())
def s():
	return str(input())
def l():
	return list(input())
def intl():
	return list(int(k) for k in input().split())

n = i()
#s = {s():0 for _ in range(n)}

a = {}
for i in range(n):
	s = input()
	try:
		a[s] += 1
	except KeyError:
		a[s] = 1
b = sorted(a.items(),key = lambda x:x[0])
print(a)
memo = max(b)[1]
for i in b:
	"""print(i,"i")
	print(i[0],"i[0]")
	print(i[1],"i[1]")
	print(max(b)[0],"max(b)[0]")"""
	if i[1] == memo:
		print(i[0])

Fixed code:
def i():
	return int(input())
def i2():
	return map(int,input().split())
def s():
	return str(input())
def l():
	return list(input())
def intl():
	return list(int(k) for k in input().split())

n = i()
#s = {s():0 for _ in range(n)}

a = {}
for i in range(n):
	s = input()
	try:
		a[s] += 1
	except KeyError:
		a[s] = 1
b = sorted(a.items(),key = lambda x:x[0])

memo = max([i[1] for i in a.items()])
for i in b:
	"""print(i,"i")
	print(i[0],"i[0]")
	print(i[1],"i[1]")
	print(max(b)[0],"max(b)[0]")"""
	if i[1] == memo:
		print(i[0])
Buggy code:
import collections
N = int(input())
A=[input() for i in range(N)]
c = collections.Counter(A)
values, counts = zip(*c.most_common())
k = max (counts)
l =counts.count(k)
V = []
for i in range(l):
  V.append(values[i])
sorted(V)
for j in range(len(V)):
  print(V[j])

Fixed code:
import collections
N = int(input())
A=[input() for i in range(N)]
c = collections.Counter(A)
values, counts = zip(*c.most_common())
k = max (counts)
l =counts.count(k)
V = []
for i in range(l):
  V.append(values[i])
L = sorted(V)
for j in range(len(L)):
  print(L[j])
Buggy code:
N = int(input())
poll = {}
for i in range(N):
    S = input()
    if S in poll:
        poll[S] = poll[S] + 1
    else:
        poll[S] = 1
        
a = [k for k, v in poll.items() if v == max(poll.values())]

for el in a:
    print(el)

Fixed code:
N = int(input())
poll = {}
for i in range(N):
    S = input()
    if S in poll:
        poll[S] = poll[S] + 1
    else:
        poll[S] = 1

maxv = max(poll.values())
a = [k for k, v in poll.items() if v == maxv]
a.sort()

for el in a:
    print(el)
Buggy code:
n=int(input())
d={}
for i in range(n):
    s=input()
    try:
        if d[s]==1:
            d[s]+=1
    except:
        d[s]=1
l=[]
maxi=-1
for i in d:
    if d[i]>maxi:
        maxi=d[i]
for i in d:
    if d[i]==maxi:
        l.append(i)
l.sort()
for i in l:
    print(i)


Fixed code:
n=int(input())
d={}
for i in range(n):
    s=input()
    try:
        if d[s]>0:
            d[s]+=1
    except:
        d[s]=1
l=[]
maxi=-1
for i in d:
    if d[i]>maxi:
        maxi=d[i]
for i in d:
    if d[i]==maxi:
        l.append(i)
l.sort()
for i in l:
    print(i)
Buggy code:
import collections
n=int(input())
ans=[]
s=["".join(sorted(input())) for _ in range(n)]
c=collections.Counter(s)
m=max(c.values())
for k,v in c.items:
  if v==m:
    ans.append(k)

print(sorted(k))




Fixed code:
import collections
n=int(input())
ans=[]
s=["".join(input()) for _ in range(n)]
c=collections.Counter(s)
m=max(c.values())
for k,v in c.items():
  if v==m:
    ans.append(k)

for i in sorted(ans):
  print(i)
Buggy code:

N = int(input())
S = [input() for i in range(N)]
C = dict()


for i in range(N):
    a = input()
    if(a not in C.keys()):
        C[a] = 1
    else:
        val = C[a]
        C[a] = val + 1

maxv=0
for i in C.values():
    if(i > maxv):
        maxv=i

ans = sorted(C.items())
for i  in ans:
    if(maxv==i[1]):
        print(i[0])

Fixed code:

N = int(input())
C = dict()


for i in range(N):
    a = input()
    if(a not in C.keys()):
        C[a] = 1
    else:
        val = C[a]
        C[a] = val + 1

m=0
for i in C.values():
    if(i > m):
        m=i

ans = sorted(C.items())
for i  in ans:
    if(m==i[1]):
        print(i[0])
Buggy code:
N = int(input())
S = {}
for i in range(N):
    s = input()
    if s in S:
        S[s] += 1
    else:
        S[s] = 1
sorted_S = sorted(S.items(), key=lambda x: x[1], reverse=True)
a = []
count = -1
for s in sorted_S:
    if count == -1:
        a.append(s)
        count = sorted_S[s]
    elif count == sorted_S[s]:
        a.append(s)
    else:
        break
sorted_a = sorted(a)
for s in sorted_a:
    print(s)

Fixed code:
N = int(input())
S = {}
for i in range(N):
    s = input()
    if s in S:
        S[s] += 1
    else:
        S[s] = 1
sorted_S = sorted(S.items(), key=lambda x: x[1], reverse=True)
a = []
count = -1
for s in sorted_S:
    if count == -1:
        a.append(s[0])
        count = s[1]
    elif count == s[1]:
        a.append(s[0])
    else:
        break
sorted_a = sorted(a)
for s in sorted_a:
    print(s)
Buggy code:
import collections
N = int(input())
s = [0] * N
for i in range(N):
  s[i] = str(input())
  
#print(s)
t = collections.Counter(s)
#print(t)
u = list(t.items())
#print(u)
x = u[0][1]
ans = []
for i in range(len(u)):
  if u[i][1] == x:
    ans.append(u[i][0])
    
ans = sorted(ans)

for i in range(len(ans)):
  print(ans[i])
    

Fixed code:
import collections
N = int(input())
s = [0] * N
for i in range(N):
  s[i] = str(input())
  
#print(s)
t = collections.Counter(s)
u = list(t.items())
#print(u)
x = max(list(t.values()))
ans = []
#print(x)
#print(u)
for i in range(len(u)):
  #print(u[i][1], x)
  if u[i][1] == x:
    ans.append(u[i][0])
    
    
ans = sorted(ans)

for i in range(len(ans)):
  print(ans[i])
Buggy code:
box={}
n=int(input())
for i in range(n):
    v=input()
    if v in box:
        box[v]+=1
    else:
        box[v]=1
m=max(box.values())
f=[k for k,v in box.items() if v==m]
print('\n'.join(f))

Fixed code:
box={}
n=int(input())
for i in range(n):
    v=input()
    if v in box:
        box[v]+=1
    else:
        box[v]=1
m=max(box.values())
f=[k for k,v in box.items() if v==m]
f.sort()
print('\n'.join(f))
Buggy code:
N=int(input())
s=[input() for i in range (N)]

s.sort()
count=1
maximum=0

for j in range (N-1):
  if s[j]==s[j+1]:
    count+=1
    if j==N-2:
      if count>maximum:
        a=[]
        a.clear()
        a.append(s[j])
        maximum=count
        number=1
      elif count==maximum:
        a.append(s[j])
        number+=1
  else:
    if count>maximum:
      a=[]
      a.clear()
      a.append(s[j])
      maximum=count
      number=1
    elif count==maximum:
      a.append(s[j])
      number+=1
    count=1   
for p in range (number):
  print(a[p])

Fixed code:
N=int(input())
s=[input() for i in range (N)]

s.sort()
count=1
maximum=0

for j in range (N-1):
  if s[j]==s[j+1]:
    count+=1
    if j==N-2:
      if count>maximum:
        a=[]
        a.clear()
        a.append(s[j])
        maximum=count
        number=1
      elif count==maximum:
        a.append(s[j])
        number+=1
  else:
    if count>maximum:
      a=[]
      a.clear()
      a.append(s[j])
      maximum=count
      number=1
    elif count==maximum:
      a.append(s[j])
      number+=1
    count=1   
  if maximum==1 and j==N-2:
    a.append(s[N-1])
    number+=1
for p in range (number):
  print(a[p])
Buggy code:
n = int(input())
s = []
ans = []
for i in range(n):
  s.append(input())
s = sorted(s)
max_count = 1
count = 1
for i in range(n-1):
  if s[i] == s[i+1]:
    count += 1
    if count == max_count:
      ans.append(s[i])
    if count > max_count:
      max_count = count
      ans = [s[i]]
  else:
    count = 1
ans = sorted(ans)
for i in range(len(ans)):
  print(ans[i]) 

Fixed code:
n = int(input())
s = []
for i in range(n):
  s.append(input())
s = sorted(s)
max_count = 1
count = 1
ans = []
for i in range(n-1):
  if s[i] == s[i+1]:
    count += 1
    if count == max_count:
      ans.append(s[i])
    if count > max_count:
      max_count = count
      ans = [s[i]]
  else:
    count = 1
    if max_count == 1:
      ans.append(s[i])
if max_count == 1:
  ans.append(s[n-1])
ans = sorted(ans)
for i in range(len(ans)):
  print(ans[i])
Buggy code:
from collections import Counter
from itertools import takewhile
n=int(input())
s=[input() for _ in range(n)]
count=Counter(s)
v=count.most_common()[0][-1]
it=takewhile(lambda kv: kv[-1]==v,count.most_common())
for t in list(it):
    print(t[0])

Fixed code:
from collections import Counter
from itertools import takewhile
n=int(input())
s=[input() for _ in range(n)]
count=Counter(s)
v=count.most_common()[0][-1]
it=takewhile(lambda kv: kv[-1]==v,count.most_common())
for t in sorted(list(it)):
    print(t[0])
Buggy code:
import collections
N = int(input())
S_list = [input() for i in range(N)]
C = collections.Counter(S_list)
L = C.most_common()
max_ = L[0][1]
ans = []
#print("========")
for i in L:
    if i[1] == max_:
        ans.append(i[0])
    else:
        exit()
ans.sort()
for i in ans:
    print(i)


Fixed code:
import collections
N = int(input())
S_list = [input() for i in range(N)]
C = collections.Counter(S_list)
L = C.most_common()
max_ = L[0][1]
ans = []
#print("========")
for i in L:
    if i[1] == max_:
        ans.append(i[0])
    else:
        break
ans.sort()
for i in ans:
    print(i)
Buggy code:
import collections as col
N = int(input())
l = [0]*N
for i in range(N):
    l[i] = input()
ans = []

counter = col.Counter(l)
common = counter.most_common()
ans = []
ans.append(common[0][0])

for i in range(len(common)-1):
    if common[i][1] == common[i+1][1]:
        ans.append(common[i+1][0])
        i += 1
    else:
        break

for i in range(len(ans)):
    print(ans[i])

Fixed code:
import collections as col
N = int(input())
l = [0]*N
for i in range(N):
    l[i] = input()
ans = []

counter = col.Counter(l)
common = counter.most_common()
ans = []
ans.append(common[0][0])

for i in range(len(common)-1):
    if common[i][1] == common[i+1][1]:
        ans.append(common[i+1][0])
        i += 1
    else:
        break

ans.sort()
for i in range(len(ans)):
    print(ans[i])
Buggy code:
from collections import Counter
n = int(input())
s = [input() for _ in range(n)]
ans = []

c = Counter(s)
max_count = max(c.values())

for k, v in c.items():
    if v == max_count:
        ans.append(k)
ans.sort()
print('\￿n'.join(ans))


Fixed code:
from collections import Counter
n = int(input())
s = [input() for _ in range(n)]
ans = []

c = Counter(s)
max_count = max(c.values())

for k, v in c.items():
    if v == max_count:
        ans.append(k)
ans.sort()
print('\n'.join(ans))
Buggy code:
def contest(N, str):
    count = {}

    for s in str:
        if s not in count:
            count[s] = 1

        else:
            count[s] +=  1
    
    ret = sorted(count.items(),key=lambda count: count[1], reverse=True)
    maxnum = ret[0][1]
    
    retVal = []

    for r in ret:
        if r[1] == maxnum:
            retVal.append(r[0])
            
        else:
            break

    result = '\n'.join(sorted(retVal))

    return result


if __name__ == "__main__":
    N = int(input())
    S = []

    for i in range(N):
        S.append(input())

    print(contest(N, str))


Fixed code:
def contest(N, str):
    count = {}

    for s in str:
        if s not in count:
            count[s] = 1

        else:
            count[s] +=  1
    
    ret = sorted(count.items(),key=lambda count: count[1], reverse=True)
    maxnum = ret[0][1]
    
    retVal = []

    for r in ret:
        if r[1] == maxnum:
            retVal.append(r[0])
            
        else:
            break

    result = '\n'.join(sorted(retVal))

    return result


if __name__ == "__main__":
    N = int(input())
    S = []

    for i in range(N):
        S.append(input())

    print(contest(N, S))
Buggy code:
# coding: utf-8
# Your code here!

import collections

n = int(input())
c = collections.Counter([input() for i in range(n)])
m = max(c.values())
k = list(c.keys())
v = list(c.values())
for i in range(len(c)):
    if v[i] == m:
        print(k[i])

Fixed code:
# coding: utf-8
# Your code here!

import collections

n = int(input())
c = collections.Counter([input() for i in range(n)])
m = max(c.values())
k = list(c.keys())
v = list(c.values())
data = []
for i in range(len(c)):
    if v[i] == m:
        data.append(k[i])
        

data.sort()

[print(i) for i in data]
Buggy code:
def main():
    import sys
    from collections import Counter

    N = int(input())
    S = [sys.stdin.readline().rstrip('\n') for _ in range(N)]

    print(S)

    c = Counter(S)
    _max = max(c.values())

    keys = [k for k, v in c.items() if v == _max]

    print('\n'.join(sorted(keys)))


if __name__ == '__main__':
    main()

Fixed code:
def main():
    from collections import Counter

    N = int(input())
    S = [input() for _ in range(N)]

    c = Counter(S)
    _max = max(c.values())

    keys = [k for k, v in c.items() if v == _max]
    print('\n'.join(sorted(keys)))

if __name__ == '__main__':
    main()
Buggy code:
from collections import defaultdict
from collections import OrderedDict
N = int(input())
answer = dict()
for _ in range(N):
    k = str(input())
    if k in ans:
        ans[k]+=1
    else:
        ans.update({k:1})
groupedByValue = defaultdict(list)
for key, value in sorted(ans.items()):
    groupedByValue[value].append(key)
l = groupedByValue[max(groupedByValue)]
for i in l:
    print(l)

Fixed code:
from collections import defaultdict
from collections import OrderedDict
N = int(input())
ans = dict()
for _ in range(N):
    k = str(input())
    if k in ans:
        ans[k]+=1
    else:
        ans.update({k:1})
groupedByValue = defaultdict(list)
for key, value in sorted(ans.items()):
    groupedByValue[value].append(key)
j = groupedByValue[max(groupedByValue)]
for i in j:
    print(i)
Buggy code:
import collections
n = int(input())
si = []
for i in range(n):
    si.append(input())
ss = collections.Counter(si)
print(ss)

n_ma = max(ss.values())
ans = []
for i in ss.keys():
    if ss[i] == n_ma:
        ans.append(i)

ans.sort()
for i in range(len(ans)):
    print(ans[i])

Fixed code:
import collections
n = int(input())
si = []
for i in range(n):
    si.append(input())
ss = collections.Counter(si)

n_ma = max(ss.values())
ans = []
for i in ss.keys():
    if ss[i] == n_ma:
        ans.append(i)

ans.sort()
for i in range(len(ans)):
    print(ans[i])
Buggy code:
n = int(input())
words = {}

for i in range(n) :
    new_word = input()
    if new_word in words.keys() :
        words[new_word] += 1
    else :
        words[new_word] = 1

mx_freq = max(words.values())
mx_words = [k for k in words.items() if words[k] == mx_freq]

mx_words.sort()

for mx_word in mx_words :
    print(mx_word)

Fixed code:
n = int(input())
words = {}

for i in range(n) :
    new_word = input()
    if new_word in words.keys() :
        words[new_word] += 1
    else :
        words[new_word] = 1

mx_freq = max(words.values())
mx_words = [k for k, v in words.items() if words[k] == mx_freq]

mx_words.sort()

for mx_word in mx_words :
    print(mx_word)
Buggy code:
import collections
import itertools
s=int(input())
l=[input() for i in range(s)]
counter = collections.Counter(l)

mode_v = counter.most_common()[0][-1]
it = itertools.takewhile(
    lambda kv: kv[-1] == mode_v, counter.most_common()
)
u=[]
for k, v in it:
  u.append(k)
u.sort
print(*u)

Fixed code:
import collections
import itertools
s=int(input())
l=[input() for i in range(s)]
counter = collections.Counter(l)

mode_v = counter.most_common()[0][-1]
it = itertools.takewhile(
    lambda kv: kv[-1] == mode_v, counter.most_common()
)
u=[]
for k, v in it:
  u.append(k)
  
u.sort()
for i in range(len(u)):
  print(u[i])
Buggy code:
n = int(input())
dic = {}
for _ in range(n):
    s = input()
    if s in dic:
        dic[s] += 1
    else:
        dic[s] = 0
top = []
laeger = 0
for v in dic.values():
    if v >= laeger:
        laeger = v

for k, v in dic.items():
    if v == laeger:
        top.append(k)
print(sorted(top))


Fixed code:
n = int(input())
dic = {}
for _ in range(n):
    s = input()
    if s in dic:
        dic[s] += 1
    else:
        dic[s] = 0
top = []
laeger = 0
for v in dic.values():
    if v >= laeger:
        laeger = v

for k, v in dic.items():
    if v == laeger:
        top.append(k)
for i in sorted(top):
    print(i)
Buggy code:
n = int(input())
S = [input() for _ in range(n)]
d = {}
m = 0
for s in S:
    if s in d:
        d[s] += 1
        m = max(m, d[s])
    else:
        d[s] = 1
        m = 1
sd = sorted(d.items(), key=lambda x: x[1], reverse=True)
for k, v in sd:
    if v != m:
        break
    print(k)


Fixed code:
n = int(input())
S = [input() for _ in range(n)]
d = {}
m = 0
for s in S:
    if s in d:
        d[s] += 1
    else:
        d[s] = 1
    m = max(m, d[s])

sd = sorted(d.items(), key=lambda x: x[1], reverse=True)
ans = []
for k, v in sd:
    if v != m:
        break
    ans.append(k)

for a in sorted(ans):
    print(a)
Buggy code:
def resolve():
    import collections
    n = int(input())
    c = list(collections.Counter([int(input()) for _ in range(n)]).most_common())
    s = []
    m = c[0][0]
    for i in c:
        if c !=m:
            break
        s.append(i[0])
    s.sort()
    print("\n".join(s))
resolve()

Fixed code:
def resolve():
    import collections
    n = int(input())
    c = list(collections.Counter([input() for _ in range(n)]).most_common())
    s = []
    m = c[0][1]
    for i in c:
        if i[1] !=m:
            break
        s.append(i[0])
    s.sort()
    print("\n".join(s))
resolve()
Buggy code:
N = int(input())
Dictionary = {}
for i in range(N):
    S = input()
    if S not in Dictionary :
        Dictionary[S] = 1
    else :
        Dictionary[S] = Dictionary[S]+1
sorted_Dic = sorted(Dictionary.items(), key=lambda x: x[1],reverse=True)

ans_list = []
for i in range(N):
    if sorted_Dic[i][1]==sorted_Dic[0][1]:
        ans_list.append(sorted_Dic[i][0])
    else:
        break;
for item in sorted(ans_list):
  print(item)
    

Fixed code:
N = int(input())
Dictionary = {}
for i in range(N):
    S = input()
    if S not in Dictionary :
        Dictionary[S] = 1
    else :
        Dictionary[S] = Dictionary[S]+1

sorted_Dic = sorted(Dictionary.items(), key=lambda x: x[1],reverse=True)

if len(sorted_Dic)==1:
  print(sorted_Dic[0][0])
else:
  ans_list = []
  for i in range(N):
      if sorted_Dic[i][1]==sorted_Dic[0][1]:
          ans_list.append(sorted_Dic[i][0])
      else:
          break;
  for item in sorted(ans_list):
    print(item)
Buggy code:
from collections import Counter

n = int(input())
a = []
for i in range(n):
    a.append(input())
b = Counter(a)
for k, v in b.items():
    if v == max(b.values()):
        print(k)


Fixed code:
from collections import Counter

n = int(input())
a = []
for i in range(n):
    a.append(input())
b = Counter(a)
m = max(b.values())
for k, v in sorted(b.items()):
    if v == m:
        print(k)
Buggy code:
N = int(input())

dic = {}
for _ in range(N):
    A = input()
    if A in dic:
        dic[A] += 1
    else:
        dic[A] = 1

dic_sorted = sorted(dic.items(), key=lambda x:x[1], reverse = True)
ans = []
flag = 0
num = 0
for i in range(N):
    if dic_sorted[i][1] < flag:
        break
    else:
        flag = dic_sorted[i][1]
        ans.append(dic_sorted[i][0])
        num += 1

ans.sort()
for i in range(num):
    print(ans[i])

Fixed code:
N = int(input())

dic = {}
for _ in range(N):
    A = input()
    if A in dic:
        dic[A] += 1
    else:
        dic[A] = 1

dic_sorted = sorted(dic.items(), key=lambda x:x[1], reverse = True)
ans = []
flag = 0
for i in range(len(dic_sorted)):
    if dic_sorted[i][1] < flag:
        break
    else:
        flag = dic_sorted[i][1]
        ans.append(dic_sorted[i][0])

ans.sort()
for i in range(len(ans)):
    print(ans[i])
Buggy code:
n=int(input())
d=dict()
for i in range(n):
    s=input()
    if s not in d.keys():
        d[s]=-1
    else:
        d[s]-=1

a=sorted(d.items(),key=lambda x:x[0])
for k,v in a:
    if v!=a[0][1]:
        break
    print(k)

Fixed code:
n=int(input())
d=dict()
for i in range(n):
    s=input()
    if s not in d.keys():
        d[s]=-1
    else:
        d[s]-=1

a=sorted(d.items(),key=lambda x:(x[1],x[0]))
for k,v in a:
    if v!=a[0][1]:
        break
    print(k)
Buggy code:
import collections


n = int(input())
s = []
for i in range(n):
    s.append(input())

dic = collections.Counter(s)
k = dic.most_common()
m = k[0][1]
mx = m
i = 0
while m == mx: 
    print(k[i][0])
    i += 1
    if i > len(k)-1:
        break
    m = k[i][1]



Fixed code:
import collections


n = int(input())
s = []
for i in range(n):
    s.append(input())

dic = collections.Counter(s)
k = dic.most_common()
m = k[0][1]
mx = m
i = 0
ans = []
while m == mx: 
    ans.append(k[i][0])
    i += 1
    if i > len(k)-1:
        break
    m = k[i][1]

ans = sorted(ans)
for i in ans:
    print(i)
Buggy code:
n=int(input())
d=dict()
for _ in range(n):
    a=input()
    if a in d:
        d[a]+=1
    else:
        d[a]=1
keys = sorted([k for k,v in d.items() if v==max(d.values())])
print(keys,sep="\n")

Fixed code:
n=int(input())
d=dict()
for _ in range(n):
    a=input()
    if a in d:
        d[a]+=1
    else:
        d[a]=1
m=max(d.values())
keys = [k for k,v in d.items() if v==m]
print("\n".join(sorted(keys)))