qyliang/CodeNanoFix huggingface dataset:
Buggy code:
import sys
import time
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 8)
INF = float('inf')
MOD = 10 ** 9 + 7

def main():
    N = int(readline())
    A = list(map(int, readline().split()))
    A.sort(reverse=True)
    print(A)
    ans = 0
    for i in range(N):
        ans += A[2*i +1]
    print(ans)

if __name__ == '__main__':
    main()

Fixed code:
import sys
import time
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 8)
INF = float('inf')
MOD = 10 ** 9 + 7

def main():
    N = int(readline())
    A = list(map(int, readline().split()))
    A.sort(reverse=True)
    ans = 0
    for i in range(N):
        ans += A[2*i +1]
    print(ans)

if __name__ == '__main__':
    main()
Buggy code:
n, *a = map(int, open(0).read().split())
print(sum(sorted(a)[1:n*2:2]))

Fixed code:
n, *a = map(int, open(0).read().split())
print(sum(sorted(a)[-2:n-1:-2]))
Buggy code:
n = int(input())
v = map(int, input().split())
v.sort(reverse = True)
s = 0
for i in range(0, n):
  s += v[1+2*i]
print(s)

Fixed code:
n = int(input())
v = list(map(int, input().split()))
v.sort(reverse = True)
s = 0
for i in range(0, n):
  s += v[1+2*i]
print(s)
Buggy code:
#bin/usr/env python3

N = int(input())
a = input()
x = 0
b = []

a = a.split()
for i in a:
	b.append(int(i))
b.sort()
for i in range(N):
	x += int(b[2*(i+1)+1])
print(x)

Fixed code:
#bin/usr/env python3

N = int(input())
a = input()
x = 0
b = []

a = a.split()
for i in a:
	b.append(int(i))
b.sort()
for i in range(N):
	c = b[-(2*(i+1))]
	x += int(c)
print(x)
Buggy code:
# coding: utf-8

n = int(input().rstrip())

numbers = list(reversed(sorted(map(int, input().rstrip().split(" ")))))

ans = 0
for i in range(n):
    ans += numbers[n*i+1]

print(ans)


Fixed code:
# coding: utf-8

n = int(input().rstrip())

numbers = list(reversed(sorted(map(int, input().rstrip().split(" ")))))

ans = 0
for i in range(n):
    ans += numbers[i*2+1]

print(ans)
Buggy code:
n = int(input())
a = list(map(int,input().split()))

a.sort(reverse=True)

print(sum(a[n:2*n]),a)

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

a.sort(reverse=True)

print(sum(a[1:2*n:2]))
Buggy code:
N = int(input)

a_s = input().split()

for i in ragne(3*N):
  a_s[i] = int(a_s[i])
  
a_s = sorted(a_s)

a_1 = a_s[:N]
a_2 = a_s[N:]

ans = sum(a_2[0::2])

print(ans)

Fixed code:
N = int(input())

a_s = input().split()

for i in range(3*N):
  a_s[i] = int(a_s[i])
  
a_s = sorted(a_s)

a_1 = a_s[:N]
a_2 = a_s[N:]

ans = sum(a_2[0::2])

print(ans)
Buggy code:
n = int(input())
numbers = [int(x) for x in input().split()]

numbers.sort(reverse=True)
ans = 0
order = 1
for j in range(1, n+1):
  ans+=numbers[order]
  print(numbers[order])
  order+=2
  
print(ans)

Fixed code:
n = int(input())
numbers = [int(x) for x in input().split()]

numbers.sort(reverse=True)
ans = 0
order = 1
for j in range(1, n+1):
  ans+=numbers[order]
  order+=2
  
print(ans)
Buggy code:
n = int(input())
li =  sorted(list(map(int,input().split())) , reverse=True)
print(li)
count = 0
k = 1
for i in range(n):
    count += li[k]
    k += 2

print(count)


Fixed code:
n = int(input())
li =  sorted(list(map(int,input().split())) , reverse=True)
count = 0
k = 1
for i in range(n):
    count += li[k]
    k += 2

print(count)
Buggy code:
input()
a = list(map(int, input().split()))
a.sort(reverse=True)
print(sum(a[1::2]))

Fixed code:
n = int(input())
a = list(map(int, input().split()))
a.sort(reverse=True)
print(sum(a[1:2*n:2]))
Buggy code:
import sys

n = int(sys.stdin.readline().rstrip())
a = list(map(int, sys.stdin.readline().rstrip().split()))
a.sort()
a.reverse()
# print(a)
ans = 0

print(a[1::n][:n])

Fixed code:
import sys

n = int(sys.stdin.readline().rstrip())
a = list(map(int, sys.stdin.readline().rstrip().split()))
a.sort()

# print(a)
ans = 0
a = a[n:]
a.reverse()
print(sum(a[1::2]))
Buggy code:
N=int(input())
A=list(map(int,input().split()))
B=sorted(A)
ans=0
for i in range(N):
  ans+=B[N+2*i]
print(B)
print(ans)

Fixed code:
N=int(input())
A=list(map(int,input().split()))
B=sorted(A)
ans=0
for i in range(N):
  ans+=B[N+2*i]

print(ans)
Buggy code:
n = int(input())
a = list(map(int, input().split()))
a.sort()
sum(a[n::2])

Fixed code:
n = int(input())
a = list(map(int, input().split()))
a.sort()
print(sum(a[n::2]))
Buggy code:
input_lines = str(input())
input_lines2 = str(input())

n = int(input_lines)
aAry = input_lines2.split(' ')
aAry = map(int,aAry)
aAry = sorted(aAry)
#print(aAry)

answer1 = 0L
for i in range(n):
    answer1 += int(aAry[(-i-1)*2])

answer2 = 0L
for i in range(n):
    answer2 += int(aAry[-i-3])

if answer1 >= answer2:
    answer = answer1
else:
    answer = answer2
print(answer)

Fixed code:
input_lines = str(input())
input_lines2 = str(input())

n = int(input_lines)
aAry = input_lines2.split(' ')
aAry = map(int,aAry)
aAry = sorted(aAry)
#print(aAry)

answer1 = 0
for i in range(n):
    answer1 += int(aAry[(-i-1)*2])
'''
answer2 = 0
for i in range(n):
    answer2 += int(aAry[-i-3])

if answer1 >= answer2:
    answer = answer1
else:
    answer = answer2
'''
print(answer1)
Buggy code:
N = int(input())
a3N = list(map(int, input().split()))

a3N.sort(reverse = True)
sumn = 0
for i in range(N):
  sumn += a3N[2*(i+1)]

print(sumn)

Fixed code:
N = int(input())
a3N = list(map(int, input().split()))

a3N.sort(reverse = True)
sumn = 0
for i in range(N):
  sumn += a3N[2*i+1]

print(sumn)
Buggy code:
n=int(input())
a=[int(i) in input().split()]
a=sorted(a)[::-1]
print(sum[1:2*n:2])

Fixed code:
n=int(input())
a=sorted([int(i) for i in input().split()])[::-1]
print(sum(a[1:2*n:2]))
Buggy code:
n = int(input())
arr = map(int, input().strip().split())
arr.sort(reverse=True)
print(sum(arr[1:2*n:2]))

Fixed code:
n = int(input())
arr = list(map(int, input().strip().split()))
arr.sort(reverse=True)
print(sum(arr[1:2*n:2]))
Buggy code:
s=int(input())
i= list(map(int, input().split()))
 
i.sort(reverse=True)
sum=0
ks=0
for j in range(s):
    sum+=i[j+1]
for j in range(n,2*n):
  ks+=i[j]
print(max(sum,ks))

Fixed code:
s=int(input())
i= list(map(int, input().split()))
i.sort(reverse=True)
sum=0
for j in range(s):
    sum+=i[(2*j)+1]
print(sum)
Buggy code:
N = int(input())
A = sorted(list(map(int, input().split())))[N:]
print(A)
ans = 0
for i in range(2 * N):
    if i % N == 0:
        ans += A[i]

print(ans)

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

ans = 0
for i in range(2 * N):
    if i % 2 == 1:
        ans += A[3 * N - i - 1]

print(ans)
Buggy code:
N = int(input())
A = sorted(map(int, input().split()))
print(sum(A[N:2*N])

Fixed code:
N = int(input())
A = sorted(map(int, input().split()))
print(sum(A[N::2]))
Buggy code:
n = int(input())
a = list(map(int,input().split()))
a.sort(reverse=True)
print(sum(a[1:n*n:2]))

Fixed code:
n = int(input())
a = list(map(int,input().split()))
a.sort(reverse=True)
print(sum(a[1:n*2:2]))
Buggy code:
N = int(input())

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

print(nums)
res = 0
for i in range(N):
    res += nums[3 * N - 2 * (i+1)]

print(res)

Fixed code:
N = int(input())

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

res = 0
for i in range(N):
    res += nums[3 * N - 2 * (i+1)]

print(res)
Buggy code:
N = int(input())
a = [int(i) for i in input().split()]
a = sorted(a,reverse = True)
s = 0
for i in range(N):
    s += a[2*(i+1)]
print(s)


Fixed code:
N = int(input())
a = [int(i) for i in input().split()]
a = sorted(a,reverse = True)
s = 0
for i in range(N):
    s += a[2*i+1]
print(s)
Buggy code:
N = int(input())
l = input().split()
l.sort()
l = map(int, l)
l = list(l)
S = 0
for i in range(N):
    S += l[N + 2 * i]
print(l)
print(S) 

Fixed code:
N = int(input())
l = input().split()
l = map(int, l)
l = list(l)
l.sort()
S = 0
for i in range(N):
    S += l[N + 2 * i]
print(S)
Buggy code:
N = int(input())
strengths = map(int, input().split())
sorted_strengths = sorted(strengths, reverse=True)
print(sorted_strengths)
team_strength_sum = 0
for i in range(3*N):
    if ((i+1)%2 == 0) & ((i+1)//2 <= N):
        team_strength_sum += sorted_strengths[i]
print(team_strength_sum)

Fixed code:
N = int(input())
strengths = map(int, input().split())
sorted_strengths = sorted(strengths, reverse=True)
# print(sorted_strengths)
team_strength_sum = 0
for i in range(3*N):
    if ((i+1)%2 == 0) & ((i+1)//2 <= N):
        team_strength_sum += sorted_strengths[i]
print(team_strength_sum)
Buggy code:
N = input()
A = list(map(int, input().split()))
A = sorted(A,reverse = True)
ans = 0
for i in range(1, 2*N, 2):
    ans += A[i]


Fixed code:
N = int(input())
A = list(map(int, input().split()))
A = sorted(A,reverse = True)
ans = 0
for i in range(1, 2*N, 2):
    ans += A[i]
print(ans)
Buggy code:
N = int(input())
a = list(map(int, input().split()))
a.sort()
score = 0

for i in range(1, N*3, 3):
    score += a[i]

print(score)

Fixed code:
N = int(input())
a = list(map(int, input().split()))
a.sort()
score = 0

for i in range(N, N*3, 2):
    score += a[i]

print(score)
Buggy code:
n=int(input())
l=list(map(int,input().split()))
sorted(l)
ans=0
for i in range(n):
    ans+=l[n*3-2-i*2]
print(ans)  

Fixed code:
n=int(input())
l=list(map(int,input().split()))
l=sorted(l)
ans=0
for i in range(n):
    ans+=l[n*3-2-i*2]
print(ans)
Buggy code:
n = int(input())
a = list(map(int, input().split()))
a.sort()
a.reverse()
ans = 0
print(a)
for i in a[1:-n:2]:
    ans += i
print(ans)


Fixed code:
n = int(input())
a = list(map(int, input().split()))
a.sort()
a.reverse()
ans = 0
for i in a[1:-n:2]:
    ans += i
print(ans)
Buggy code:
N = int(input())
a = list(map(int,input().split()))

A = sorted(a, reverse=True)
B = []
ans = 0
B = A[:2*N]
for i in range(int(len(B)/2)):
    ans += B[2*i+1]

print(B)
print(int(len(B)/2))
print(ans)

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

A = sorted(a, reverse=True)
B = []
ans = 0
B = A[:2*N]
for i in range(int(len(B)/2)):
    ans += B[2*i+1]

print(ans)
Buggy code:
N = input()
alist = list(map(int, input().split()))
alist.sort(reverse=True)
print(sum(alist[::2]))


Fixed code:
N = int(input())
alist = list(map(int, input().split()))
alist.sort(reverse=True)
print(sum(alist[1:2*N:2]))
Buggy code:
N = int(input())
a_list = list(map(int,input().split()))

a_list.sort(reverse=True)
print(a_list)

sum = 0
for i in range(N, 2*N, 1):
    sum += a_list[i]

print(sum)

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

a_list.sort(reverse=True)

sum = 0
for i in range(1, 2*N, 2):
    sum += a_list[i]

print(sum)
Buggy code:
n = int(input())
a = list(map(int, input().split()))
a = sorted(a)
print(a)
i = 0
ans = 0
j = 3 * n - 2
while i < n:
    ans += a[j]
    i += 1
    j -= 2

print(ans)

Fixed code:
n = int(input())
a = list(map(int, input().split()))
a = sorted(a)
i = 0
ans = 0
j = 3 * n - 2
while i < n:
    ans += a[j]
    i += 1
    j -= 2

print(ans)
Buggy code:
N = int(input())
A = [int(n) for n in input().split()]

res = 0
sortedA = sorted(A, reverse=True)
for i in range(1, N*2+1, 2):
    print(sortedA[i])
    res += sortedA[i]

print(res)

Fixed code:
N = int(input())
A = [int(n) for n in input().split()]

res = 0
sortedA = sorted(A, reverse=True)
for i in range(1, N*2+1, 2):
    res += sortedA[i]

print(res)
Buggy code:
import sys
N = int(sys.stdin.readline().rstrip())
a = sorted(list(map(int, sys.stdin.readline().rstrip().split())))
ans = 0
print(a)
for i in range(N*2+1)[N::2]:
    print(i, a[i])
    ans += a[i]
print(ans)


Fixed code:
import sys
N = int(sys.stdin.readline().rstrip())
a = sorted(list(map(int, sys.stdin.readline().rstrip().split())), reverse = True)
ans = 0
for i in range(N):
    ans += a[2*i+1]
print(ans)
Buggy code:
N = int(input())
a_lst = [int(x) for x in input().split()]

a_lst.sort(reverse=True)

sum = 0
for i in range(1, 3*N, 2):
    sum += a_lst[i]
print(sum)


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

a_lst.sort(reverse=True)

sum = 0
for i in range(1, 2*N, 2):
    sum += a_lst[i]
print(sum)
Buggy code:
N = int(input())
l = list(map(int,input().split()))
l.sort(reverse=True)
ans = l[1::2]

print(sum(ans[:2]))

Fixed code:
N = int(input())
l = list(map(int,input().split()))
l.sort(reverse=True)
ans = l[1::2]

print(sum(ans[:N]))
Buggy code:

def main():
    N = int(input())
    a_list = get_a_list()

    a_list.sort(reverse=True)

    sum_second_a = 0
    
    a_list = a_list[:int(2*N/3)]
    for i in range(1, int(2*N/3), 2):
        sum_second_a += a_list[i]

    print(sum_second_a)

def get_a_list():
    a_list = []
    strs = input().split()

    for a in strs:
        a_list.append(int(a))

    return a_list


if __name__ == '__main__':
    main()


Fixed code:

def main():
    N = int(input())
    a_list = get_a_list()

    a_list.sort(reverse=True)

    sum_second_a = 0
    
    a_list = a_list[:2*N]
    for i in range(1, 2*N, 2):
        sum_second_a += a_list[i]

    print(sum_second_a)

def get_a_list():
    a_list = []
    strs = input().split()

    for a in strs:
        a_list.append(int(a))

    return a_list


if __name__ == '__main__':
    main()
Buggy code:
#!/usr/bin/env python3

def main():
    N, *a = map(int, open(0).read().split())

    a.sort(reverse = True)
    s = 0
    print(a)
    for i in range(N, 2*N):
        s = s + a[i]
    print(s)


main()

Fixed code:
#!/usr/bin/env python3

def main():
    N, *a = map(int, open(0).read().split())

    a.sort(reverse = True)
    s = 0
    for i in range(N):
        s = s + a[2*i + 1]
    print(s)


main()
Buggy code:
import sys

def solve():
    input = sys.stdin.readline
    N = int(input())
    A = [int(a) for a in input().split()]
    A.sort(reverse = True)
    ans = 0
    for i in range(N):
        ans += (2 * i + 1)
    print(ans)
    return 0

if __name__ == "__main__":
    solve()

Fixed code:
import sys

def solve():
    input = sys.stdin.readline
    N = int(input())
    A = [int(a) for a in input().split()]
    A.sort(reverse = True)
    ans = 0
    for i in range(N):
        ans += A[2 * i + 1]
    print(ans)
    return 0

if __name__ == "__main__":
    solve()
Buggy code:
N = int(input())
a = list(map(int, input().split()))
ans = 0
a.sort(reverse = True)
for i in range(N):
  ans += a[2*N+1]
print(ans)

Fixed code:
N = int(input())
a = list(map(int, input().split()))
ans = 0
a.sort(reverse = True)
for i in range(N):
  ans += a[2*i+1]
print(ans)
Buggy code:
N = int(input())
a = [int(i) for i in input().split()]
a = a.sort(reverse=True)

for i in range(1,N+1):
  ans = sum(a[2*i-1])
print(ans)

Fixed code:
N = int(input())
a = [int(i) for i in input().split()]
a.sort(reverse=True)

ans = sum(a[2*i-1] for i in range(1,N+1))
print(ans)
Buggy code:
N = int(input())
a = list(map(int, input().split()))
a.sort()
print(sum(a[N:2*N + 1:2]))

Fixed code:
N = int(input())
a = list(map(int, input().split()))
a.sort(reverse=True)
print(sum(a[1:2 * N + 1:2]))
Buggy code:
N = int(input())
li = list(map(int,input().split()))
li.sort(reverse = True)
total = []
for i in li[1:3 * N:3]:
  total.append(i)
print(sum(total))

Fixed code:
N = int(input())
li = list(map(int,input().split()))
li.sort(reverse = True)
total = []
for i in li[1:2 * N:2]:
  total.append(i)
print(sum(total))
Buggy code:
n=int(input())
a=list(map(int,input().split()))
a.sort(reverse=True)
ans=0
for i in range(n):
  ans=ans+a[2*i-1]
print(ans)

Fixed code:
N = int(input())
a = list(map(int,input().split()))
a.sort(reverse=True)
ans = 0
for i in range(N):
    ans += a[2*i+1]
print(ans)
Buggy code:
n = int(input())
a = sorted(list(map(int, input().split())))
print(a)

print(sum(a[n:2*n]))

Fixed code:
n = int(input())
a = sorted(list(map(int, input().split())))
print(sum(a[n::2]))
Buggy code:
# -*- coding: utf-8 -*-
# problem A

n = int(input())
a = list(map(int, input().split()))
a = sorted(a, reverse=True)

def prob_a(n, a):
    ans = 0    
    for i in range(0, 2*n, 2):
        ans += a[i+1]
    return(ans)
    
prob_a(n=n, a=a)

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

n = int(input())
a = list(map(int, input().split()))
a = sorted(a, reverse=True)

def prob_a(n, a):
    ans = 0    
    for i in range(0, 2*n, 2):
        ans += a[i+1]
    return(ans)
    
x = prob_a(n=n, a=a)
print(x)
Buggy code:
#!/usr/bin/env python3
from collections import defaultdict,deque
from heapq import heappush, heappop
from bisect import bisect_left, bisect_right
import sys, random, itertools, math
sys.setrecursionlimit(10**5)
input = sys.stdin.readline
sqrt = math.sqrt
def LI(): return list(map(int, input().split()))
def LF(): return list(map(float, input().split()))
def LI_(): return list(map(lambda x: int(x)-1, input().split()))
def II(): return int(input())
def IF(): return float(input())
def LS(): return list(map(list, input().split()))
def S(): return list(input().rstrip())
def IR(n): return [II() for _ in range(n)]
def LIR(n): return [LI() for _ in range(n)]
def FR(n): return [IF() for _ in range(n)]
def LFR(n): return [LI() for _ in range(n)]
def LIR_(n): return [LI_() for _ in range(n)]
def SR(n): return [S() for _ in range(n)]
def LSR(n): return [LS() for _ in range(n)]
mod = 1000000007
inf = 1e10

#solve
def solve():
    n = II()
    a = LI()
    a.sort(
    print(sum[n::2])
    return


#main
if __name__ == '__main__':
    solve()


Fixed code:
#!/usr/bin/env python3
from collections import defaultdict,deque
from heapq import heappush, heappop
from bisect import bisect_left, bisect_right
import sys, random, itertools, math
sys.setrecursionlimit(10**5)
input = sys.stdin.readline
sqrt = math.sqrt
def LI(): return list(map(int, input().split()))
def LF(): return list(map(float, input().split()))
def LI_(): return list(map(lambda x: int(x)-1, input().split()))
def II(): return int(input())
def IF(): return float(input())
def LS(): return list(map(list, input().split()))
def S(): return list(input().rstrip())
def IR(n): return [II() for _ in range(n)]
def LIR(n): return [LI() for _ in range(n)]
def FR(n): return [IF() for _ in range(n)]
def LFR(n): return [LI() for _ in range(n)]
def LIR_(n): return [LI_() for _ in range(n)]
def SR(n): return [S() for _ in range(n)]
def LSR(n): return [LS() for _ in range(n)]
mod = 1000000007
inf = 1e10

#solve
def solve():
    n = II()
    a = LI()
    a.sort()
    print(sum(a[n::2]))
    return


#main
if __name__ == '__main__':
    solve()
Buggy code:
n = int(input())
a = list(map(int, input().split()))

sum = 0
a.sort(reverse=True)

for i in range(1, n+1):
    sum += a[2 * i+1]

print(sum)


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

a.sort(reverse=True)
ans = 0

for i in range(1, 2 * n + 1, 2):
    ans += a[i]

print(ans)
Buggy code:
N = int(input())
a = [int(i) for i in input().split()]
a.sort()
ans = 0
for i in range(1,N+1):
	print(a[-2*i])
	ans += a[-2*i]

print(ans)



Fixed code:
N = int(input())
a = [int(i) for i in input().split()]
a.sort()
ans = 0
for i in range(1,N+1):
	#print(a[-2*i])
	ans += a[-2*i]

print(ans)
Buggy code:
N=int(input())
A=list(map(int,input().split()))
A.sort()
ans=0
for i in range(N):
  ans+=A[N-2-i*2]
print(ans)

Fixed code:
N=int(input())
A=list(map(int,input().split()))
A.sort()
ans=0
for i in range(N):
  ans+=A[N*3-2-i*2]
print(ans)
Buggy code:
n = int(input())
xs = [int(c) for c in input().strip().split()]
xs.sort(reverse=True)
ans = 0
for i in range(n):
  ans += xs[2 * i - 1]
print(ans)

Fixed code:
n = int(input())
xs = [int(c) for c in input().strip().split()]
xs.sort(reverse=True)
ans = 0
for i in range(n):
    ans += xs[2 * i + 1]
print(ans)
Buggy code:
import math

N = int(input()) * 3
a = list(map(int, input().split()))
ans = 0

a = sorted(a, reverse = True)

for i in range(1, math.ceil(N/2 + 1), 2):
    #print(ans)
    ans += a[i]

print(ans)

Fixed code:
import math

N = int(input()) * 3
a = list(map(int, input().split()))
ans = 0

a = sorted(a, reverse = True)

for i in range(1, int(2.0 / 3.0 * float(N)), 2):
    #print(a[i])
    ans += a[i]

print(ans)
Buggy code:
# agc012_a.py
N = int(input())
A = list(map(int,input().split()))
A.sort(reverse=True)
ans = 0
print(A)
for i in range(2*N):
    if i%2==1:
        ans+=A[i]
print(ans)


Fixed code:
# agc012_a.py
N = int(input())
A = list(map(int,input().split()))
A.sort(reverse=True)
ans = 0
for i in range(2*N):
    if i%2==1:
        ans+=A[i]
print(ans)
Buggy code:
N = int(input())
a = [int(i) for i in input().split()]
s_sort = sorted(a, reverse=True)
score = 0
for i in range(1, 3N, 2):
    score += s_sort[i]
print(score)

Fixed code:
N = int(input())
a = [int(i) for i in input().split()]
s_sort = sorted(a, reverse=True)
score = 0
for i in range(1, 2*N, 2):
    score += s_sort[i]
print(score)
Buggy code:
n = int(input())
a = input().split()
a = [int(i) for i in a]
 
candidate = a[n:len(a)+1]
print(sum([candidate[i] for i in range(0, 2*n, 2)]))

Fixed code:
n = int(input())
a = input().split()
a = [int(i) for i in a]
a = sorted(a)
 
candidate = a[n:len(a)+1]
print(sum([candidate[i] for i in range(0, 2*n, 2)]))
Buggy code:
import sys

INF = 10**9+7

stdin = sys.stdin
def na(): return map(int, stdin.readline().split())
def ns(): return stdin.readline().strip()
def nsl(): return list(stdin.readline().strip())
def ni(): return int(stdin.readline())
def nil(): return list(map(int, stdin.readline().split()))

n = ni()

a = nil()

a.sort()

ans = 0

for i in range(n):
    ans += a[-2-i*n]
print(ans)

Fixed code:
import sys

INF = 10**9+7

stdin = sys.stdin
def na(): return map(int, stdin.readline().split())
def ns(): return stdin.readline().strip()
def nsl(): return list(stdin.readline().strip())
def ni(): return int(stdin.readline())
def nil(): return list(map(int, stdin.readline().split()))

n = ni()

a = nil()
a.sort()
ans = 0

for i in range(n):
    ans += a[(-i*2) - 2]
print(ans)
Buggy code:
n = int(input())
a = list(map(int, input().split()))

a.sort(reverse=True)

second = []
for i in range(2*n):
    if i%2 != 0:
        second.append(a[i])
print(second)
print(sum(second))


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

a.sort(reverse=True)

second = []
for i in range(2*n):
    if i%2 != 0:
        second.append(a[i])
print(sum(second))
Buggy code:
N = int(input())
a = list(map(int, input().split()))
a.sort(reverse = True)
ans = 0
if N ==1:
    print(a[1])
else:
    for n in range(N):
        ans += a[2*n-1]
    print(ans)

Fixed code:
N = int(input())
a = list(map(int, input().split()))
a.sort(reverse = True)
ans = 0
if N ==1:
    print(a[1])
else:
    for n in range(N):
        ans += a[2*n+1]
    print(ans)
Buggy code:
n = int(input())
a = list(map(int,input().split()))
a = sorted(a)[::-1]
ans = sum(a[:2*n:2])
print(ans)

Fixed code:
n=int(input())
a=sorted(list(map(int,input().split())))[::-1]
print(sum(a[1:2*n:2]))
Buggy code:
n,*aa=map(int, open(0).read().split())

aa.sort(reverse=True)

sum(aa[1::2][:n])

Fixed code:
n,*aa=map(int, open(0).read().split())

aa.sort(reverse=True)

print(sum(aa[1::2][:n]))
Buggy code:
# AGC012A - AtCoder Group Contest
def main():
    # sort -> first 1/3 as smallest ones
    # the sum of 2nd ones: 1111 23 23 23 23
    N, *A = map(int, open(0).read().split())
    A.sort()
    ans = sum(A[N::2])
    print()


if __name__ == "__main__":
    main()

Fixed code:
# AGC012A - AtCoder Group Contest
def main():
    # sort -> first 1/3 as smallest ones
    # the sum of 2nd ones: 1111 23 23 23 23
    N, *A = map(int, open(0).read().split())
    A.sort()
    ans = sum(A[N::2])
    print(ans)


if __name__ == "__main__":
    main()
Buggy code:
n = int(input())
a = list(map(int,input().split()))
a.sort(reverse=True)
ans = 0
j = 3*n-2
for i in range(j):
  if i%2!=0:
    ans += a[i]
print(ans)

Fixed code:
n = int(input())
a = list(map(int,input().split()))
a.sort(reverse=True)
ans = 0
j = 3*n-n
for i in range(j):
  if i%2!=0:
    ans += a[i]
print(ans)
Buggy code:
n=int(input())
arr=list(map(int,input().split()))
arr=sorted(arr,reverse=True)
ans=0
for i in range(n):
  ans+=arr[1+2*i]

Fixed code:
n=int(input())
arr=list(map(int,input().split()))
arr=sorted(arr,reverse=True)
ans=0
for i in range(n):
  ans+=arr[1+2*i]
print(ans)
Buggy code:
n = int(input())
A = list(map(int,input().split()))
A.sort(reverse=True)
print(sum(A[2:2 * n + 1:2]))


Fixed code:
n = int(input())
A = list(map(int,input().split()))
A.sort(reverse=True)
print(sum(A[1:2 * n:2]))