qyliang/CodeNanoFix huggingface dataset:
Buggy code:
s = input()
if s[0] == s[1]:
  if s[2] == s[3]:
    print('Yes')
  else:
    print('No')
elif s[0] == s[2]:
  if s[1] == s[3]:
    print('Yes')
  else:
    print('No')
elif s[0] == s[3]:
  if s[1] == s[2]:
    print('Yes')
  else:
    print('No')

Fixed code:
s = input()
if s[0] == s[1] == s[2] == s[3]:
  print('No')
else:
  if s[0] == s[1]:
      if s[2] == s[3]:
        print('Yes')
      else:
        print('No')
  elif s[0] == s[2]:
      if s[1] == s[3]:
        print('Yes')
      else:
        print('No')
  elif s[0] == s[3]:
      if s[1] == s[2]:
        print('Yes')
      else:
        print('No')
  else:
    print('No')
Buggy code:
s = input()
a = ''.join(sorted(s))
if a[1] == a[2] and a[3] == a[4] and a[1] != a[3]:
  print('Yes')
else:
  print('No')

Fixed code:
s = input()
a = ''.join(sorted(s))
if a[0] == a[1] and a[2] == a[3] and a[0] != a[3]:
  print('Yes')
else:
  print('No')
Buggy code:
s = input()
s1 = s[:1]
for i in range(1, 4):
  if(s[i:i+1] != s1):
    s[i:i+1] = s2
if(s.count(s1) == 2 and s.count(s2) == 2):
  print("Yes")
else:
  print("No")

Fixed code:
s = input()
s1 = s[:1]
for i in range(1, 4):
  if(s[i:i+1] != s1):
    s2 = s[i:i+1]
if(s.count(s1) == 2 and s.count(s2) == 2):
  print("Yes")
else:
  print("No")
Buggy code:

import sys
input = sys.stdin.readline
#-------------------------------------
import collections

s = list(input())

c = collections.Counter(s)

if len(c.keys()) == 2 and c.most_common()[0][1]:
        print("Yes")
else:
        print("No")

Fixed code:
import sys
def input(): return sys.stdin.readline().strip()
#-------------------------------------
import collections
s = list(input())
c = collections.Counter(s)
if len(c.keys()) == 2 and c.most_common()[0][1] == 2:
        print("Yes")
else:
        print("No")
Buggy code:
import numpy as np

S = input()

if S[0] == S[1] and S[2] == S[3]:
    if S[0] == S[2]:
        print('No')
    else:
        print('Yes')
elif S[0] == S[2] and S[1] == S[3]:
    if S[0] == S[1]:
        print('No')
    else:
        print('Yes')
elif S[0] == S[3] and S[1] == S[2]:
    if S[0] == S[1]:
        print('No')
    else:
        print('Yes')

Fixed code:
import numpy as np

S = input()

if S[0] == S[1] and S[2] == S[3]:
    if S[0] == S[2]:
        print('No')
    else:
        print('Yes')
elif S[0] == S[2] and S[1] == S[3]:
    if S[0] == S[1]:
        print('No')
    else:
        print('Yes')
elif S[0] == S[3] and S[1] == S[2]:
    if S[0] == S[1]:
        print('No')
    else:
        print('Yes')
else:
    print('No')
Buggy code:
    
S = input()
    
s = sorted(S)
    
if [s[0]==s[1] and s[2]==s[3]] and [s[1] != s[2]]:
    print("Yes")
   
else:
    print("No")

Fixed code:
s = sorted(input())

if s[0] == s[1] and s[2] == s[3] and s[1] != s[2]:
    print('Yes')
else:
    print('No')
Buggy code:
s = str( input() )
check = [ x == set(s)[0] for x in list(s) ]
if len( set(s) ) == 2 and sum( check ) == 2 :
   print( "Yes" )
else : 
   print( "No" )


Fixed code:
s = list( str( input() ) )
check = [ x == s[0] for x in s ]
if len( set(s) ) == 2 and sum( check ) == 2 :
   print( "Yes" )
else : 
   print( "No" )
Buggy code:
S = list(input())
S.sort()
print(S)
if S[0] == S[1] == S[2] == S[3]:
    print('No')
elif S[0] == S[1] and S[2] == S[3]:
    print('Yes')
else:
    print('No')

Fixed code:
S = list(input())
S.sort()

if S[0] == S[1] == S[2] == S[3]:
    print('No')
elif S[0] == S[1] and S[2] == S[3]:
    print('Yes')
else:
    print('No')
Buggy code:
s = input()

for i in range(4):
  if s.count(s[i]) == 2:
    print('Yes')
    exit()
    
print('No')

Fixed code:
s = input()

for i in range(4):
  if s.count(s[i]) != 2:
    print('No')
    exit()
    
print('Yes')
Buggy code:
s = int (input)

if s[0] == s[1] and s[2] == s[3] and s[0] ! = s[2]:
    print('Yes')
elif s[0] == s[2] and s[1] == s[3] and s[0] ! =s[1]:
        print('Yes')
elif s[0] == s[3] and s[1] == s[2] and s[0] ! =s[2]:
    print('Yes')
else:
    print('No')
        

Fixed code:
s = input()

if s[0] == s[1] and s[2] == s[3] and s[0] != s[2]:
    print('Yes')
elif s[0] == s[2] and s[1] == s[3] and s[0] !=s[1]:
    print('Yes')
elif s[0] == s[3] and s[1] == s[2] and s[0] !=s[2]:
    print('Yes')
else:
    print('No')
Buggy code:
s = list(input())

line = set(s)

if len(s) == 2:
    print("Yes")
else:
    print("No")

Fixed code:
s = list(input())

line = list(set(s))

if len(line) == 2:
    print("Yes")
else:
    print("No")
Buggy code:
import sys
S = sys.stdin.readline()
S1 = S.replace(S[0],'')
if len(S1) != 2:
  print('No')
  exit()
  
S2 = S1.replace(S1[0],'')
if len(S2) == 0:
  print("Yes")
else:
  print("No")

Fixed code:
import sys
S = str(sys.stdin.readline()).strip()

S1 = S.replace(S[0],'')
if len(S1) != 2:
  print('No')
  exit()
  
S2 = S1.replace(S1[0],'')
if len(S2) == 0:
  print("Yes")
else:
  print("No")
Buggy code:
four = input()
four_set = set(four)

if len(four_set) != 2:
  print("No")
else:
  if four.count(four_set[0]) != 2:
    print("No")
  else:
    print("Yes")

Fixed code:
four = input()
four_set = set(four)

if len(four_set) != 2:
    print("No")
else:
    if four.count(list(four_set)[0]) != 2:
        print("No")
    else:
        print("Yes")
Buggy code:
S = input()

count = 0
fircnt = 0
before = ''
first = ''

cl = set()

for s in S:
    if s not in cl:
        count += 1
        cl.add(s)
        if first == '':
            first = s
    if first == s:
        fircnt += 1

print(count)
print(fircnt)
if count != 2:
    print('No')
elif fircnt == 2:
    print('Yes')
else:
    print('No')

Fixed code:
S = input()

count = 0
fircnt = 0
before = ''
first = ''

cl = set()

for s in S:
    if s not in cl:
        count += 1
        cl.add(s)
        if first == '':
            first = s
    if first == s:
        fircnt += 1
if count != 2:
    print('No')
elif fircnt == 2:
    print('Yes')
else:
    print('No')
Buggy code:
s = input()
s = sorted(s)

if s[0] != s[1] or s[2] != s[3] or s[0] != s[3]:
    print('No')
else:
    print('Yes')


Fixed code:
s = input()
s = sorted(s)

if s[0] != s[1] or s[2] != s[3] or s[0] == s[3]:
    print('No')
else:
    print('Yes')
Buggy code:
from collections import Collecter; print('YNeos'[Counter(sorted(list(input()))).values() != [2,2]::2])

Fixed code:
from collections import Counter; print("YNeos"[list(Counter(list(input())).values()) != [2,2]::2])
Buggy code:
S = input()

sorted_S = sorted(S)

if S[0] == S[1] and S[2] == S[3] ans S[1] != S[2]:
	print("Yes")
else:
	print("No")



Fixed code:
S = input()

sorted_S = sorted(S)

if sorted_S[0] == sorted_S[1] and sorted_S[2] == sorted_S[3] and sorted_S[1] != sorted_S[2]:
	print("Yes")
else:
	print("No")
Buggy code:
s = list(input())
if s[0] == s[1] and s[2] == s[3] and s[0] !== s[2]:
  print("Yes")
else:
  print("No")

Fixed code:
s = input()

s = sorted(list(s))

if s[0] == s[1] and s[2] == s[3] and s[0] != s[3]:
  print('Yes')
else:
  print('No')
Buggy code:
s = input()
s=sorted(s)
if s[0]==S[1] and s[2]==s[3]:	print("Yes")
else:							print("No")



Fixed code:
S=sorted(input())
if S[0]==S[1] and S[1]!=S[2] and S[2]==S[3]:
    print("Yes")
else:
    print("No")
Buggy code:
def main():
 s = input()
 if s[0] == s[4] and s[1] == s[2] and s[2] != s[3]:
     print('Yes')
 else:
     print('No')
main()

Fixed code:
def main():
 s = sorted(input())
 if s[0] == s[1] and s[3] == s[2] and s[1] != s[2]:
     print('Yes')
 else:
     print('No')
main()
Buggy code:
a = input()
b = len(a)
d = 0

for x in range(b):
    c = a.count(a[x])
    if c > 1:
         d += 1

if d == 2:
    print('Yes')
else:
    print('No')



Fixed code:
a = input()
b = len(a)
d = 0

for x in range(b):
    c = a.count(a[x])
    if c == 2:
         d += 1

if d == b:
    print('Yes')
else:
    print('No')
Buggy code:
n=int(input())
d=map(int,input().split())
m=n/2
d=sorted(d)
print(d[m+1]-d[m])

Fixed code:
n=int(input())
d=list(map(int,input().split()))
m=int(n/2)
d=sorted(d)
print(d[m]-d[m-1])
Buggy code:
n = int(input())
nums = sorted(map(int, input().split()))
low = nums[(n - 1) // 2]
high = nums[(n - 1) // 2 + 1]
print(low, high)
print(high - low)

Fixed code:
n = int(input())
nums = sorted(map(int, input().split()))
low = nums[(n - 1) // 2]
high = nums[(n - 1) // 2 + 1]
print(high - low)
Buggy code:
n = int(input())
d = list(map(int, input().split()))

sd = sorted(d)

if n %2 != 0:
  print(0)

else:

  print(sd[n/2] - sd[n/2-1])

Fixed code:
n = int(input())
d = list(map(int, input().split()))

sd = sorted(d)

if n %2 != 0:
  print(0)

else:

  print(sd[int(n/2)] - sd[int(n/2-1)])
Buggy code:
n = int(input())
d = list(map(int,input().split()))
d = sorted(d)
l = d[n/2-1]
r = d[n/2]
print(r-l)


Fixed code:
n = int(input())
d = sorted(list(map(int,input().split())))
print(d[n // 2] - d[n // 2 - 1])
Buggy code:
N = int(input())
lst = list(map(int, input().split()))
mid = N/2 - 1
lst = sorted(lst)
if lst[mid] == lst[mid+1]:
    print(0)
elif lst[mid] < lst[mid+1]:
    print(lst[mid+1]-lst[mid]+1)

Fixed code:
N = int(input())
lst = list(map(int, input().split()))
mid = int(N/2 - 1)
lst = sorted(lst)
if lst[mid] == lst[mid+1]:
    print(0)
elif lst[mid] < lst[mid+1]:
    print(lst[mid+1]-lst[mid])
Buggy code:
N = int(input())
D = map(int, input().split())
B = sorted(D)

if B[N/2] == B[(N/2)-1]:
    print(0)
else:
    print(B[N/2]-B[(N/2)-1])

Fixed code:
N = int(input())
D = list(map(int, input().split()))
B = sorted(D)

if B[int(N/2)] == B[int(N/2)-1]:
    print(0)
else:
    print(B[int(N/2)]-B[int(N/2)-1])
Buggy code:
n = int(input())
d = [int(i) for i in input().split()]
d.sort()
s=0
N=int(n/2)
k=int(abs(d[N]-d[N-1]))
K=(d[N]+d[N-1])/2)
for i in range(n):
    if d[i]>=K:
        s=s+1
    else:
        s=s
if s==N:
    print(k)
else:
    print(0)

Fixed code:
n = int(input())
d = [int(i) for i in input().split()]
d.sort()
s=0
N=int(n/2)
k=int(abs(d[N]-d[N-1]))
K=(d[N]+d[N-1])/2
for i in range(n):
    if d[i]>=K:
        s=s+1
    else:
        s=s
if s==N:
    print(k)
else:
    print(0)
Buggy code:
N=int(input())
d=list(map(int, input().split()))

d=sorted(d)
ans=0
 
for i in range(10**7):
    if d[int(N/2-1)] < i and i <= d[int(N/2)]:
        ans +=1
 
print(ans)

Fixed code:
N=int(input())
d=list(map(int, input().split()))
 
d=sorted(d)
ans=0
 
for i in range(10**6):
    if d[int(N/2-1)] < i and i <= d[int(N/2)]:
        ans +=1
 
print(ans)
Buggy code:
n = int(input())
d = list(map(int, input().split()))

d = sorted(d)

if d[n//2] == d[n//2]:
    print(0)
else:
    print(d[n//2] - d[n//2-1])

Fixed code:
n = int(input())
d = list(map(int, input().split()))

d = sorted(d)

if d[n//2-1] == d[n//2]:
    print(0)
else:
    print(d[n//2] - d[n//2-1])
Buggy code:
import sys
import math
import itertools
import collections
import heapq
import re
import numpy as np

rr = lambda: sys.stdin.readline().rstrip()
rs = lambda: map(str, sys.stdin.buffer.readline().split())
ri = lambda: int(sys.stdin.readline())
rm = lambda: map(int, sys.stdin.buffer.readline().split())
rl = lambda: list(map(int, sys.stdin.buffer.readline().split()))
inf = float('inf')
mod = 10**9 + 7

n = ri()
a = rl()
a.sort()
i = n//2
print(a[i+1] - a[i])



Fixed code:
import sys
import math
import itertools
import collections
import heapq
import re
import numpy as np

rr = lambda: sys.stdin.readline().rstrip()
rs = lambda: map(str, sys.stdin.buffer.readline().split())
ri = lambda: int(sys.stdin.readline())
rm = lambda: map(int, sys.stdin.buffer.readline().split())
rl = lambda: list(map(int, sys.stdin.readline().split()))
inf = float('inf')
mod = 10**9 + 7

n = ri()
a = rl()
a.sort()
i = n//2
print(a[i] - a[i-1])
Buggy code:
N = int(input())
d = list(map(int,input().split()))
d.sort()
a = d[N/2-1]
b = d[N/2]
if a != b:
  print(b-a)
if a == b:
  print(0)

Fixed code:
N = int(input())
d = list(map(int,input().split()))
d.sort()
a = d[N//2-1]
b = d[N//2]
if a != b:
  print(b-a)
if a == b:
  print(0)
Buggy code:
N = int(input())
d = list(map(int,input().split()))
d.sort()
a = d[N/2-1]
b = d[N/2]
print(b-a)

Fixed code:
N = int(input())
d = list(map(int, input().split()))

d.sort()
print(d[N//2] - d[N//2-1])
Buggy code:
n = int(input())
d = list(map(int, input().split()))
print(d[sorted(d)//2]-d[sorted(d)//2-1])

Fixed code:
n=int(input())

d=list(map(int,input().split()))

d.sort()
print(d[int(n/2)]-d[int(n/2-1)])
Buggy code:
N = int(input())
D = sorted(map(int, input().split()))
print(D)
if D[N//2 - 1] == D[N//2]:
  print(0)
else:
  print(D[N//2] - D[N//2 - 1])

Fixed code:
N = int(input())
D = list(map(int, input().split()))

D = sorted(D)
if D[int(N/2-1)] == D[int(N/2)]:
  print(0)
else:
  ans = D[int(N/2)] - D[int(N/2-1)]
  print(ans)
Buggy code:
N=int(input())
d=list(map(int, input().strip().split()))
ans=0

d.sort()

#for i in range(int(d[int(N/2)-1]),int(d[int(N/2)]+1)):

print(int(d[int(N/2)])-int(d[int(N/2)-1]))

print(ans)

Fixed code:
N=int(input())
d=list(map(int, input().strip().split()))
ans=0

d.sort()

#for i in range(int(d[int(N/2)-1]),int(d[int(N/2)]+1)):

print(int(d[int(N/2)])-int(d[int(N/2)-1]))
Buggy code:
n = int(input())
l = list(map(int,input().split()))
l.sort()
a = n//2

ans = d[a]-d[a-1]

print(ans)


Fixed code:
n = int(input())
l = list(map(int,input().split()))
l.sort()
a = n//2

ans = l[a]-l[a-1]

print(ans)
Buggy code:
n = int(input())
sorted_nums = sorted(list(map(int, input().split())))
center = len(sorted_nums // 2)
ans = sorted_nums[center] - sorted_nums[center-1]
print(ans)

Fixed code:
n = int(input())
sorted_nums = sorted(list(map(int, input().split())))
center = len(sorted_nums) // 2
ans = sorted_nums[center] - sorted_nums[center-1]
print(ans)
Buggy code:
n = int(input())
l = sorted(list(map(int, input().split())))
d = int(n / 2)
r = l[d] - l[d-1]
print(l)
print(r)

Fixed code:
n = int(input())
l = sorted(list(map(int, input().split())))
d = int(n / 2)
r = l[d] - l[d-1]
print(r)
Buggy code:
n = input()
d = [int(i) for i in input().split()]
if len(d) % 2 == 1:
  ans = 0
else:
  d.sort()
  if d[len(d)-1] == d[len(d)]:
    ans = 0
  else:
    ans = d[len(d)] - d[len(d)]
    
print(ans)



Fixed code:
n = input()
d = [int(i) for i in input().split()]
if len(d) % 2 == 1:
  ans = 0
else:
  d.sort()
  if d[len(d)//2-1] == d[len(d)//2]:
    ans = 0
  else:
    ans = d[len(d)//2] - d[len(d)//2-1]
    
print(ans)
Buggy code:
n = int(input())
l = list(map(int, input().split()))
l.sort()
print(l[n//2] - l[n//2  +1])

Fixed code:
n = int(input())
l = list(map(int, input().split()))
l.sort()
print(abs(l[n//2-1] - l[n//2]))
Buggy code:
n = int(input())
d = sorted(list(map(int, input().split())))
i = n//2

if d[i-1] == d[i]:
  print(0)
else:
  print(d[i-1]-d[i])


Fixed code:
n = int(input())
d = sorted(list(map(int, input().split())))
i = n//2

if d[i-1] == d[i]:
  print(0)
else:
  print(d[i]-d[i-1])
Buggy code:
N=int(input())
d=list(map(int,input().split()))

d.sort()

print(d[N//2]-d[N//2-1]+1)

Fixed code:
N = int(input())
d = list(map(int, input().split()))
d.sort()
print(d[int(N/2)]-d[int(N/2-1)])
Buggy code:
n=int(input())
A=sorted(list(map(int,input().split())))
if n%2==1:
  print(0)
else:
  print(A[n//2]-A[n//2-1]+1)

Fixed code:
n=int(input())
A=sorted(list(map(int,input().split())))
if n%2==1:
  print(0)
else:
  print(A[n//2]-A[n//2-1] )
Buggy code:
N = int(input())
ds = input().split()
ds = [int(i) for i in ds]
ds.sort()
#print(ds)
if ds[int(N/2)] == ds[int(N/2)+1]:
  print("0")
else:
  print("1")

Fixed code:
N = int(input())
ds = input().split()
ds = [int(i) for i in ds]
ds.sort()
#print(ds)
#if ds[int(N/2)] == ds[int(N/2)+1]:
#  print("0")
#else:
print(ds[int(N/2)]-ds[int(N/2)-1])
Buggy code:
if __name__ == '__main__':
	N = int(input())
	D = list(map(int, input().split()))
	(D.sort())

	if D[(N//2)-1] == D[N//2]:
		print('0')
	else:
		print(D[(N//2)] - D[(N//2) - 1])
	print(D)


Fixed code:
if __name__ == '__main__':
	N = int(input())
	D = list(map(int, input().split()))
	(D.sort())

	if D[(N//2)-1] == D[N//2]:
		print('0')
	else:
		print(D[(N//2)] - D[(N//2) - 1])
Buggy code:
n = int(input())
d = list(map(int,input().split()))
print(d[n//2]-d[n//2-1])

Fixed code:
n=int(input())
d=list(map(int,input().split()))
d=sorted(d)
ans=d[int(n/2)]-d[int(n/2)-1]
print(ans)
Buggy code:
N = int(input())
D = sorted([int(x) for x in input().split()])
l = D[len(D)//2-1]
h = D[len(D)//2]
if l == h:
  print(0)
else:
  print(D.count(h) + h - l)

Fixed code:
N = int(input())
D = sorted([int(x) for x in input().split()])
l = D[len(D)//2-1]
h = D[len(D)//2]
if l == h:
  print(0)
else:
  print(h - l)
Buggy code:
import statistics
 
n = int(input())
d = list(map(int, input().split()))
 
if n % 2 == 1:
  print(0)
  exit()

d = sorted(d)
print(d[n/2] - d[(n/2) - 1])

Fixed code:
n = int(input())
d = list(map(int, input().split()))
 
if n % 2 == 1:
  print(0)
  exit()

d = sorted(d)
print(d[int(n/2)] - d[int(n/2) - 1])
Buggy code:
n = int(input())
d = list(map(int,input().split()))
print(d[len(d)//2]-d[len(d)//2-1])

Fixed code:
n = int(input())
d = sorted(list(map(int,input().split())))

print(d[n//2] - d[n//2-1])
Buggy code:
N = int(input())
d = [int(x) for x in input().split()]

d.sort()
length = len(d)
left = d[length//2-1]
right = d[length//2]

if left==right:
    print(0)
else:
    print(ans)

Fixed code:
N = int(input())
d = [int(x) for x in input().split()]

d.sort()
length = len(d)
left = d[length//2-1]
right = d[length//2]

if left==right:
    print(0)
else:
    print(right - left)
Buggy code:
n=int(input())
s=list(map(int,input().split()))
print(s)
changed=sorted(s,reverse=True)

if n%2==0:
    if changed[int(n/2-1)]==changed[int(n/2)]:
        print(0)
    else:
        print(-changed[int(n/2)]+changed[int(n/2-1)])
else:
    print(0)

Fixed code:
n=int(input())
s=list(map(int,input().split()))

changed=sorted(s,reverse=True)


if changed[int(n/2-1)]==changed[int(n/2)]:
        print(0)
else:
        print(-changed[int(n/2)]+changed[int(n/2-1)])
Buggy code:
n = int(input())
d_list = [int(i) for i in input().rstrip().split(' ')]
d_list.sort()
print(d_list)

a = int(n/2) -1
b = int(n/2)

if d_list[a] == d_list[b]:
  print(0)
else:
  print(d_list[b] - d_list[a])


Fixed code:
n = int(input())
d_list = [int(i) for i in input().rstrip().split(' ')]
d_list.sort()

a = int(n/2) -1
b = int(n/2)

if d_list[a] == d_list[b]:
  print(0)
else:
  print(d_list[b] - d_list[a])
Buggy code:
N = int(input())

array = list(map(int, input().split())).sort()

print(array[N//2]-array[N//2-1])

Fixed code:
N = int(input())

array = sorted(list(map(int, input().split())))

print(array[N//2]-array[N//2-1])
Buggy code:
n = int(input())
d = list(map(int, input().split()))
d.sort()

print(d[n/2] - d[n/2-1])

Fixed code:
n = int(input())
d = list(map(int, input().split()))
d.sort()
print(d[int(n/2)] - d[int(n/2)-1])
Buggy code:
N = int(input())
li = list(map(int, input().split()))
li.sort()
a = li[N//2]
flag = True
print(li)
for i in range (N//2):
    if a == li[i]:
        flag = False
if flag:
     print(li[N//2]-li[N//2-1])
else:
     print(0)

Fixed code:
N = int(input())
li = list(map(int, input().split()))
li.sort()
a = li[N//2]
flag = True
for i in range (N//2):
    if a == li[i]:
        flag = False
if flag:
     print(li[N//2]-li[N//2-1])
else:
     print(0)
Buggy code:
n = int(input())
l = list(map(int, input().split()))

c_idx = n / 2 - 1
l.sort()
print(l[c_idx + 1] - l[c_idx])

Fixed code:
n = int(input())
l = list(map(int, input().split()))
 
c_idx = n // 2 - 1
l.sort()
print(l[c_idx + 1] - l[c_idx])
Buggy code:
n=int(input())
d=list(map(int,input().split()))
D=sorted(d)
print(D[(n//2)+1]-D[(n//2)-1])

Fixed code:
n=int(input())
d=list(map(int,input().split()))
D=sorted(d)
num=D[n//2]-D[(n//2)-1]
print(num)
Buggy code:
N = int(input())
List = list(map(int,input().split()))

List.sort()

a = List[N/2-1]
b = List[N/2]

print(int(b-a))

Fixed code:
N = int(input())
List = list(map(int,input().split()))

List.sort()

a = List[int(N/2-1)]
b = List[N//2]

print(int(b-a))
Buggy code:
n=int(input())
d=list(map(int,input().split()))
d.sort()
print(d[n//2]-d[n//
   

Fixed code:
n=int(input())
d=list(map(int,input().split()))
d.sort()
print(d[n//2]-d[n//2-1])
Buggy code:
N = int(input().split())
d = list(map(int, input().split()))

d.sort()
result = d[int(N/2)]-d[int((N-1)/2)]
print(result)


Fixed code:
N = int(input())
d = list(map(int, input().split()))
d.sort()
n = N//2
print(d[n]-d[n-1])
Buggy code:
N = int(input().split()
d = list(map(int, input().split()))

d.sort()

if d[int((N-1)/2)] == d[int(N/2)]:
    result = 0
else:
    result = d[int(N/2)]-d[int((N-1)/2)]

print(result)


Fixed code:
N = int(input())
d = list(map(int,input().split()))
d.sort()

N2 = int(N/2)
if d[N2-1] == d[N2]:
    print(0)
else:
    print(d[N2] - d[N2-1])
Buggy code:
# ALC 005 C

N = int(input())
list_d = list(map(int, input().split()))

list_d.sort()
list_d[N//2] - list_d[N//2 -1]

Fixed code:
# ALC 005 C

N = int(input())
list_d = list(map(int, input().split()))

list_d.sort()
print(list_d[N//2] - list_d[N//2 -1])
Buggy code:
n = int(input())
d = list(map(int,input().split()))
d.sort()
while len(d) > 0:
        x = d.pop()
        y = d.pop(0)
print(y - x)


Fixed code:
n = int(input())
d = list(map(int,input().split()))
d.sort()
while len(d) > 0:
        x = d.pop()
        y = d.pop(0)
print(x - y)
Buggy code:
a=int(input())
b=list(map(int,input().split()))
b.sort()
if b[(a/2)-1]==b[(a/2)]:
  print(0)
else:
  print(b[(a/2)]-b[(a/2)-1]-1)

Fixed code:
a=int(input())
b=list(map(int,input().split()))
b.sort()
if b[int(a/2)-1]==b[int(a/2)]:
  print(0)
else:
  print(b[int(a/2)]-b[int(a/2)-1])
Buggy code:
n=int(input())
d=sorted(list(map(int,input().split())))
l=n//2
M=d[l]
m=d[l-1]+1
print(M,m,M-m+1)

Fixed code:
n=int(input())
d=sorted(list(map(int,input().split())))
l=n//2
M=d[l]
m=d[l-1]+1
print(M-m+1)
Buggy code:
N = int(input())

D = [int(i) for i in input().split()]

D2 = sorted(D)
A = D2[N//2]
B = D2[N//2+1]
print(abs(A-B))

Fixed code:
N = int(input())

D = [int(i) for i in input().split()]

D2 = sorted(D)
A = D2[N//2-1]
B = D2[N//2]
print(abs(A-B))
Buggy code:
N=int(input())
D=list(map(int,input().split()))
DS=sorted(D)
ans=DS[N//2]-DS[D//2-1]
print(ans)

Fixed code:
N=int(input())
D=list(map(int,input().split()))
D=sorted(D)
ans=D[N//2]-D[N//2-1]
print(ans)
Buggy code:
n=int(input())
d=sorted(list(map(int,input().split())))
print(d[n//2]-d[N//2-1])

Fixed code:
N = int(input())
D = list(map(int, input().split()))

D = sorted(D)
n = int(N/2)

print(D[n] - D[n-1])
Buggy code:
N = int(input())
d = map(int, input().split())
d.sort()
a = d[N//2-1]
b = d[N//2]
if a==b:
  print(0)
else:
  print(b-a)

Fixed code:
N = int(input())
d = list(map(int, input().split()))
d.sort()
a = d[N//2-1]
b = d[N//2]
if a==b:
  print(0)
else:
  print(b-a)
Buggy code:
n=int(input())
a=sorted(list(map(int,input(.split()))))
p=a[n//2-1]
q=a[n//2]
print(q-p)

Fixed code:
n=int(input())
a=sorted(list(map(int,input().split())))
p=a[n//2-1]
q=a[n//2]
print(q-p)
Buggy code:
n = int(input())
d = list(map(int, input().split()))
d = sorted(d)
tar = int(n/2) - 1


left = d[tar]
right = d[tar + 1]
print(left, right)
diff = right - left
if (diff == 0):
    ans = 0
else:
    ans = diff

print(ans)

Fixed code:
n = int(input())
d = list(map(int, input().split()))
d = sorted(d)
tar = int(n/2) - 1


left = d[tar]
right = d[tar + 1]
#print(left, right)
diff = right - left
if (diff == 0):
    ans = 0
else:
    ans = diff

print(ans)
Buggy code:
import sys

n, *d = map(int, sys.stdin.read().split())

def main():
    d.sort()
    h = n // 2
    l = d[h-1]; r = d[h]
    return r - (l + 1) - 1

if __name__ == '__main__':
    ans = main()
    print(ans)

Fixed code:
import sys

n, *d = map(int, sys.stdin.read().split())

def main():
    d.sort()
    h = n // 2
    l = d[h-1]; r = d[h]
    return r - (l + 1) + 1

if __name__ == '__main__':
    ans = main()
    print(ans)
Buggy code:
n = int(input())
d = sorted([int(x) for x in input().split(' ')])
if d[int(n/2)-1] == d[int(n/2)]:
    print(0)
else:
    print(d[int(n/2)] - d[int(n/2)-1]+1)

Fixed code:
n = int(input())
d = sorted([int(x) for x in input().split(' ')])
if d[int(n/2)-1] == d[int(n/2)]:
    print(0)
else:
    print(d[int(n/2)] - d[int(n/2)-1])
Buggy code:
n = int(input())
d_list = list(map(int,input().split()))
d = sorted(d_list)
g = n//2
f = d[g]
j = d[g+1]
print(j-f)

Fixed code:
n = int(input())
d_list = list(map(int,input().split()))
d = sorted(d_list)
g = n//2
f = d[g-1]
j = d[g]
print(j-f)