qyliang/CodeNanoFix huggingface dataset:
Buggy code:
n = int(input())
a = list(int(n) for n in input().split())
b = [0] * n
num_of_minus = 0
sum2 = 0

for i in range(n):
    if a[i] < 0:
        num_of_minus += 1
        b[i] = int(a[i] * (-1))
    else:
        b[i] = int(a[i])

if num_of_minus % 2 == 0:
    ans = sum(b)
else:
    ans = sum(b) - min(b)

print(ans)

Fixed code:
n = int(input())
a = list(int(n) for n in input().split())
b = [0] * n
num_of_minus = 0

for i in range(n):
    if a[i] < 0:
        num_of_minus += 1
        b[i] = int(a[i] * (-1))
    else:
        b[i] = int(a[i])

if num_of_minus % 2 == 0:
    ans = sum(b)
else:
    ans = sum(b) - (min(b) * 2)

print(ans)
Buggy code:
n=int(input())
a=[0]*n
a=map(int,input().split())
    
z=0
result=0
min=1000000002

for i in a:
    if i<0:
        z+=1

    i=abs(i)
    result+=i
    if i<min:
        min=i

if z//2==1:
    result-=min*2

print(result)

Fixed code:
n=int(input())
a=[0]*n
a=map(int,input().split())
    
z=0
result=0
min=1000000002

for i in a:
    if i<0:
        z+=1
    result+=abs(i)
    if abs(i)<min:
        min=abs(i)

if z%2==1:
    result-=min*2

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

minus_counter = 0
for i in range(n):
    if a[i] < 0:
        minus_counter += 1
        a[i] = -a[i]

if minus_counter % 2 == 0:
    print(sum(a))
else:
    print(sum(a) - min(a))

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

minus_counter = 0
for i in range(n):
    if a[i] < 0:
        minus_counter += 1
        a[i] = -a[i]

if minus_counter % 2 == 0:
    print(sum(a))
else:
    print(sum(a) - 2 * min(a))
Buggy code:
n = int(input())
a = list(map(int,input().split()))
cnt = 0
for i in range(n):
    if a[i] == 0:
        cnt -= 1000000000000
        break
    elif a[i] < 0:
        cnt += 1
a = [abs(a[i]) for i in range(n)]
if cnt < 0 or num % 2 == 0:
    print(sum(a))
else:
    print(sum(a) - 2*min(a))

Fixed code:
n = int(input())
a = list(map(int,input().split()))
cnt = 0
for i in range(n):
    if a[i] == 0:
        cnt -= 1000000000000
        break
    elif a[i] < 0:
        cnt += 1
a = [abs(a[i]) for i in range(n)]
if cnt < 0 or cnt % 2 == 0:
    print(sum(a))
else:
    print(sum(a) - 2*min(a))
Buggy code:
n=input()
a=list(map(int,input().split()))
n=sum(x<0 for x in a)
a=[map(abs,a)]
s=sum(a) if n%2==0 else sum(a)-min(a)*2
print(s)


Fixed code:
n=input()
a=list(map(int,input().split()))
n=sum(x<0 for x in a)
a=list(map(abs,a))
s=sum(a) if n%2==0 else sum(a)-min(a)*2
print(s)
Buggy code:
n=input()
a=list(map(int,input().split()))
n=sum(x<0 for x in a)
a=list(map(lambda x: abs(x),a))
m=min(a)
s=sum(a) if n%2==0 else sum(a)-m 
print(s)


Fixed code:
n=input()
a=list(map(int,input().split()))
n=sum(x<0 for x in a)
a=list(map(lambda x: abs(x),a))
s=sum(a) if n%2==0 else sum(a)-min(a)*2
print(s)
Buggy code:
n=int(input())
a=list(map(int,input().split()))
a=list(map(lambda x: abs(x),a))
neg_sum=sum(x<0 for x in a)
m = min(a)
s=sum(a)
s-=m if neg_sum%2
print(s)

Fixed code:
n=int(input())
a=list(map(int,input().split()))
neg_sum=sum(x<0 for x in a)
a=list(map(lambda x: abs(x),a))
m=min(a)
s=sum(a)
if neg_sum%2 : s-=m*2
print(s)
Buggy code:
N=int(input())
a=[int(i) for i in input().split()]

count=0
ans=0
for i in range(N):
    if a[i]<0:
        c+=1
        
a[i]=abs[i]
if c%2==0
    ans=sum(a)
else:
    a.sort()
    ans=sum(a)-a[0]

Fixed code:
N = int(input())

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

count=0
ans=0

for i in range(N):
    if a[i]<0:
        count+=1
    a[i]=abs(a[i])

if count%2==0:
    ans=sum(a)

else:
    a.sort()
    ans=sum(a)-a[0]*2

print(ans)
Buggy code:
N = int(input())
A =list(map(int, input().split()))
minus = [i for i in A if i < 0]
if len(minus) % 2 == 0:
  max_num = [abs(i) for i in A]
else:
  max_num = [abs(i) for i in A]
  if min(max_num) in A:
    print(sum(max_num) - 2*min(max_num))
  else:
    print(sum(max_num) + min(max_num))

Fixed code:
N = int(input())
A =list(map(int, input().split()))
minus = [i for i in A if i < 0]
if len(minus) % 2 == 0:
  max_num = [abs(i) for i in A]
  print(sum(max_num))
else:
  max_num = [abs(i) for i in A]
  if min(max_num) in A:
    print(sum(max_num) - 2*min(max_num))
  else:
    print(sum(max_num) + -(2*min(max_num)))
Buggy code:
N = int(input())
A = list(map(int, input().split()))
min_num = 10**9
cnt = 0
sum_num = 0
for idx in range(N):
  if A[idx] < 0:
    cnt += 1
  min_num = min(min_num, abs(A[idx]))
  sum_num += abs(A[idx])
if cnt%2 == 0:
  print(sum_num)
else:
  print(sum_num-min_num)
  

Fixed code:
N = int(input())
A = list(map(int, input().split()))
min_num = 10**9
cnt = 0
sum_num = 0
for idx in range(N):
  if A[idx] < 0:
    cnt += 1
  min_num = min(min_num, abs(A[idx]))
  sum_num += abs(A[idx])
if cnt%2 == 0:
  print(sum_num)
else:
  print(sum_num-min_num*2)
Buggy code:
n=int(input())
a=list(map(int,input().split()))

sum=0
min=10**9
for i in a:
  if i>=0:
    sum=sum+i
    if min>i:
      min=i
  else:
    sum=sum-i
    if min>-i:
      min=-i
print(sum if len(a)%2==0 else sum-min)

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

sum=0
min=10**9
minus=0
for i in a:
  if i>=0:
    sum=sum+i
    if min>i:
      min=i
  else:
    minus=minus+1
    sum=sum-i
    if min>-i:
      min=-i
print(sum if minus%2==0 else sum-min*2)
Buggy code:
n = int(input())
a = list(map(int, input().split()))
dp = [[0] * (n + 1) for _ in [0, 1]]
dp[0][0] = 0
dp[1][0] = -1 * 10 ** 10
for i in range(n):
    for j in [0, 1]:
        dp[j][i + 1] = max(dp[0][i] + (-1)**j * a[i],
                           dp[1][i] + (-1)**(j + 1) * a[i])
print(dp[n][0])

Fixed code:
n = int(input())
a = list(map(int, input().split()))
dp = [[0] * (n + 1) for _ in [0, 1]]
dp[0][0] = 0
dp[1][0] = -1 * 10 ** 10
for i in range(n):
    for j in [0, 1]:
        dp[j][i + 1] = max(dp[0][i] + (-1)**j * a[i],
                           dp[1][i] + (-1)**(j + 1) * a[i])
print(dp[0][n])
Buggy code:
n = int(input())
a = list(map(int, input().split()))
minus_count = 0
for i in a:
    if i < 0:
        minus_count += 1
a = [abs(e) for e in a]
if minus_count % 2 != 0:
    a.pop(a.index(min(a)))
ans = sum(a)
print(ans)

Fixed code:
n = int(input())
a = list(map(int, input().split()))
a_min = 0
minus_count = 0
for i in a:
    if i < 0:
        minus_count += 1
a = [abs(e) for e in a]
if minus_count % 2 != 0:
    a_min = a.pop(a.index(min(a)))
ans = sum(a) - a_min
print(ans)
Buggy code:
N = int(input())
A = list(map(int, input().split(" ")))
abs_list = list(map(abc, A))
sort(abs_list)
pos = list(filter(lambda x: x > 0, A))
neg = list(filter(lambda x: x < 0, A))

# A has 0
if abs_list[0] == 0:
	print(sum(abs_list))
else if len(neg) % 2 == 0:
	print(sum(abs_list))
else if abs(pos[0]) < abs(neg[-1]):
	print(sum(abs_list) - 2*pos[0] - 2*neg[-1])
else:
	print(sum(pos) - sum(neg[:-1]))



Fixed code:
N = int(input())
A = list(map(int, input().split(" ")))
abs_list = list(map(abs, A))
abs_list.sort()
pos = list(filter(lambda x: x > 0, A))
neg = list(filter(lambda x: x < 0, A))
pos.sort()
neg.sort()

# A has 0
if abs_list[0] == 0:
	print(sum(abs_list))
elif len(neg) % 2 == 0:
	print(sum(abs_list))
elif len(pos) > 0 and abs(pos[0]) < abs(neg[-1]):
	print(sum(abs_list) - 2*pos[0])
else:
	print(sum(abs_list[1:])-abs_list[0])
Buggy code:
import math
import copy
from copy import deepcopy
import sys
import fractions
import numpy as np
from functools import reduce
# import statistics
import heapq
sys.setrecursionlimit(100001)

# input = sys.stdin.readline
# sys.setrecursionlimit(10**6)

# ===FUNCTION===

def getInputInt():
    inputNum = int(input())
    return inputNum


def getInputListInt():
    outputData = []
    inputData = input().split()
    outputData = [int(n) for n in inputData]

    return outputData


def getSomeInputInt(n):
    outputDataList = []
    for i in range(n):
        inputData = int(input())
        outputDataList.append(inputData)

    return outputDataList


def getSomeInputListInt(n):
    inputDataList = []
    outputDataList = []
    for i in range(n):
        inputData = input().split()
        inputDataList = [int(n) for n in inputData]
        outputDataList.append(inputDataList)

    return outputDataList


# ===CODE===

n = int(input())
data = getInputListInt()

for i in range(n):
    if data[i] < 0:
        data[i] *= -1

print(sum(data))


Fixed code:
import math
import copy
from copy import deepcopy
import sys
import fractions
import numpy as np
from functools import reduce
# import statistics
import heapq
sys.setrecursionlimit(100001)

# input = sys.stdin.readline
# sys.setrecursionlimit(10**6)

# ===FUNCTION===

def getInputInt():
    inputNum = int(input())
    return inputNum


def getInputListInt():
    outputData = []
    inputData = input().split()
    outputData = [int(n) for n in inputData]

    return outputData


def getSomeInputInt(n):
    outputDataList = []
    for i in range(n):
        inputData = int(input())
        outputDataList.append(inputData)

    return outputDataList


def getSomeInputListInt(n):
    inputDataList = []
    outputDataList = []
    for i in range(n):
        inputData = input().split()
        inputDataList = [int(n) for n in inputData]
        outputDataList.append(inputDataList)

    return outputDataList


# ===CODE===

n = int(input())
data = getInputListInt()

cnt = 0
for i in range(n):
    if data[i] < 0:
        data[i] *= -1
        cnt += 1
sum_num = sum(data)

data.sort()
if cnt % 2 == 1:
    sum_num -= 2*data[0]

print(sum_num)
Buggy code:
A=list(map(int,input().split()))
count=0
B=[]
for i in range(N):
    if A[i]<0:
        B.append((-1)*A[i])
        count+=1
    else:
        B.append(A[i])
if count%2==0:
    print(sum(B))
else:
    print(sum(B)-2*min(B))

Fixed code:
N=int(input())
A=list(map(int,input().split()))
count=0
B=[]
for i in range(N):
    if A[i]<0:
        B.append((-1)*A[i])
        count+=1
    else:
        B.append(A[i])
if count%2==0:
    print(sum(B))
else:
    print(sum(B)-2*min(B))
Buggy code:
import sys
import collections
ns = lambda: sys.stdin.readline().rstrip()
ni = lambda: int(ns())
nm = lambda: map(int, sys.stdin.readline().split())
nl = lambda: list(nm())
nsl = lambda: map(str, sys.stdin.readline().split())

n = ni()
a = nl()
count = 0
for i in range(len(a)):
    if a[i] < 0:
        count += 1
        a[i] = -a[i]
ans = 0
if count % 2 == 0:
    ans = sum(a)
else:
    print(a, sum(a), min(a))
    ans = sum(a) - min(a)
print(ans)


Fixed code:
import sys
import collections
ns = lambda: sys.stdin.readline().rstrip()
ni = lambda: int(ns())
nm = lambda: map(int, sys.stdin.readline().split())
nl = lambda: list(nm())
nsl = lambda: map(str, sys.stdin.readline().split())

n = ni()
a = nl()
count = 0
for i in range(len(a)):
    if a[i] < 0:
        count += 1
        a[i] = -a[i]
ans = 0
if count % 2 == 0:
    ans = sum(a)
else:
    ans = sum(a) - 2 * min(a)
print(ans)
Buggy code:
n=int(input())
a=list(map(int,input().split()))
cnt=0
b=[]
for i in range(n):
  if a[i]<0:
    cnt+=1
  b.append(abs(a[i]))
if cnt%2==0:
  print(sum(b))
else:
  b.sort()
  print(sum(b[1:]))

Fixed code:
n=int(input())
a=list(map(int,input().split()))
cnt=0
b=[]
for i in range(n):
  if a[i]<0:
    cnt+=1
  b.append(abs(a[i]))
if cnt%2==0:
  print(sum(b))
else:
  b.sort()
  print(sum(b[1:])-b[0])
Buggy code:
N = int(input())
A_list = list(map(int, input().split()))

min_v = 10**9+1
cnt_min = 0
res = 0
for i, a in enumerate(A_list):
    print(i, a)
    if a < 0:
        cnt_min += 1
        a = -1 * a
    min_v = min(min_v, a)
    res += a

if cnt_min%2 == 1:
    res -= 2*min_v
print(res)

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

min_v = 10**9+1
cnt_min = 0
res = 0
for i, a in enumerate(A_list):
    if a < 0:
        cnt_min += 1
        a = -1 * a
    min_v = min(min_v, a)
    res += a

if cnt_min%2 == 1:
    res -= 2*min_v
print(res)
Buggy code:
x = int(input())
y = list(map(int, input().split(" ")))

for i in range(x - 1):
  if y[i] < 0:
    y[i] *=-1
    y[i + 1] *=-1

if y[-1] < 0:
  y[-1] *= -1
  y[y.index(min(y[0:-2]))] *= -1
  
print(sum(y))

Fixed code:
x = int(input())
y = list(map(int, input().split(" ")))

for i in range(x - 1):
  if y[i] < 0:
    y[i] *=-1
    y[i + 1] *=-1

if y[-1] < 0 and abs(min(y[0:-1])) < abs(y[-1]) :
  y[-1] *= -1
  y[y.index(min(y[0:-1]))] *= -1

print(sum(y))
Buggy code:
n=int(input())
l=list(map(int,input().split()))
z=0
m=0
s=0
t=10000000000000
for i in range(n):
    s+=abs(l[i])
    t=min(t,abs(l[i]))
    if l[i]==0:
        z+=1
    if l[i]<0:
        m+=1
        
if z>0 or m%2==0:
    print(s)
else:
    print(s-t)

Fixed code:
n=int(input())
l=list(map(int,input().split()))
z=0
m=0
s=0
t=10000000000000
for i in range(n):
    s+=abs(l[i])
    t=min(t,abs(l[i]))
    if l[i]==0:
        z+=1
    if l[i]<0:
        m+=1
        
if z>0 or m%2==0:
    print(s)
else:
    print(s-t*2)
Buggy code:
n = int(input())
A = list(map(int,input().split()))
abs_A = [abs(i) for i in A]
zero = 0
minus = 0
for i in A:
    if i < 0:
        minus += 1
    elif i == 0:
        zero += 1  
print(minus)
if minus % 2 == 0 or (zero in A):
    print(sum(abs_A))
else:
    print(sum(abs_A) - min(abs_A)*2)

Fixed code:
n = int(input())
A = list(map(int,input().split()))
abs_A = [abs(i) for i in A]
zero = 0
minus = 0
for i in A:
    if i < 0:
        minus += 1
    elif i == 0:
        zero += 1  
if minus % 2 == 0 or (zero in A):
    print(sum(abs_A))
else:
    print(sum(abs_A) - min(abs_A)*2)
Buggy code:
n = int(input())
a = list(map(int,input().split()))

minus = []
plus = []

for i in a:
    elif i < 0:
        minus.append(i)
    else:
        plus.append(i)
plus.sort()
minus.sort(reverse=True)

if len(plus)*len(minus) == 0:
    plus[133],minus[133]
    print(sum(plus)-sum(minus))
    exit()

if len(minus) % 2==0:
    print(sum(plus) - sum(minus))
    exit()

if - minus[0] < plus[0]:
    print(sum(plus) - sum(minus) +2*minus[0])
else:
    print(sum(plus) - sum(minus) -2*plus[0])

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

minus = []
plus = []

for i in a:
    if i < 0:
        minus.append(i)
    else:
        plus.append(i)
plus.sort()
minus.sort(reverse=True)

if len(plus)==0:
    if len(minus)%2==0:
        print(-sum(minus))
    else:
        print(-sum(minus)+2*minus[0])
    exit()

if len(minus)==0:
    print(sum(a))
    exit()

if len(minus) % 2==0:
    print(sum(plus) - sum(minus))
    exit()

if - minus[0] < plus[0]:
    print(sum(plus) - sum(minus) +2*minus[0])
else:
    print(sum(plus) - sum(minus) -2*plus[0])
Buggy code:
n = int(input())
a = list(map(int, input().split()))
if 0 in a:
  print(sum(map(abs, a)))
  exit()
minus = len([i for i in range(n) if a[i]<0 ])
if minus % 2 == 0:
  print(print(sum(map(abs, a))))
else:
  a = sorted(a, key=lambda x: abs(x))
  print(sum(map(abs, a[1:])))

Fixed code:
n = int(input())
a = list(map(int, input().split()))
if 0 in a:
  print(sum(map(abs, a)))
  exit()
minus = len([i for i in range(n) if a[i]<0 ])
if minus % 2 == 0:
  print(sum(map(abs, a)))
else:
  a = sorted(a, key=lambda x: abs(x))
  print(sum(map(abs, a[1:]))-abs(a[0]))
Buggy code:
N = int(input())
line = [int(a) for a in input().split()]
if 0 in line:
  line = [abs(a) for a in line]
  print(sum(line))
else:
  b = [i for i in line if i<0]
  if len(b)%2==0:
    line = [abs(a) for a in line]
    ans = sum(line)
    print(ans)
  else:
  	b.sort()
  	line = [abs(a) for a in line]
  	ans = sum(line)+2*b[-1]
  	print(ans)

Fixed code:
N = int(input())
line = [int(a) for a in input().split()]
if 0 in line:
  line = [abs(a) for a in line]
  print(sum(line))
else:
  b = [i for i in line if i<0]
  if len(b)%2==0:
    line = [abs(a) for a in line]
    ans = sum(line)
    print(ans)
  else:
    line = [abs(a) for a in line]
    line.sort()
    ans = sum(line)-2*line[0]
    print(ans)
Buggy code:
N = int(input())
A = list(map(int,input().split()))
cnt = 0
for i in A:
    if i < 0:
        cnt += 1
if cnt % 2 == 0:
    print(sum(map(abs, A)))
else:
    print((-2) * abs(min(A)) + sum(map(abs, A)))


Fixed code:
N = int(input())
A = list(map(int,input().split()))
cnt = 0
A_abs = list(map(abs, A))
for i in A:
    if i < 0:
        cnt += 1
if cnt % 2 == 0:
    print(sum(A_abs))
else:
    print(sum(A_abs) - 2 * min(A_abs))
Buggy code:
n = int(input())
a = list(map(int, input().split()))
absmin = 0
minnum = 0
for i in range(n):
  if abs(a[i]) < abs(a[absmin]):
    i = absmin
  if a[i] <= 0:
    minnum += 1
  a[i] = abs(a[i])
if minnum % 2 == 1:
  a[absmin] = -1 * abs(a[absmin])
ans = 0
for i in range(n):
  ans += a[i]
print(ans)

Fixed code:
n = int(input())
a = list(map(int, input().split()))
absmin = 0
minnum = 0
for i in range(n):
  if abs(a[i]) < abs(a[absmin]):
    absmin = i
  if a[i] <= 0:
    minnum += 1
  a[i] = abs(a[i])
if minnum % 2 == 1:
  a[absmin] = -1 * abs(a[absmin])
ans = 0
for i in range(n):
  ans += a[i]
print(ans)
Buggy code:
import numpy as np

n = int(input())
a = np.array(list(map(int,input().split())))

b = a[a <= 0]
a = np.abs(a)
s = np.sum(a)
if(len(b)%2==1):
    a = np.sort(a)
    s -= a[0]
print(s)



Fixed code:
import numpy as np

n = int(input())
a = np.array(list(map(int,input().split())))

b = a[a <= 0]
a = np.abs(a)
s = np.sum(a)
if(len(b)%2==1):
    a = np.sort(a)
    s -= a[0]*2
print(s)
Buggy code:
n = int(input())
a = list(map(int, input().split()))

k = 0
tmp = abs(a[n - 1])

for i in range(n - 1):
    if abs(a[i]) < tmp:
        tmp = abs(a[i])

    if a[i] < 0:
        a[i] *= -1
        a[i + 1] *= -1

    k += a[i]

if a[n - 1] < 0:
    k += abs(a[n - 1])
    k -= tmp
else:
    k += a[n - 1]

print(k)


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

k = 0
tmp = abs(a[n - 1])

for i in range(n - 1):
    if abs(a[i]) < tmp:
        tmp = abs(a[i])

    if a[i] < 0:
        a[i] *= -1
        a[i + 1] *= -1

    k += a[i]

if a[n - 1] < 0:
    if abs(a[n - 1]) == tmp:
        k += a[n - 1]
    else:
        k += abs(a[n - 1])
        k -= tmp * 2
else:
    k += a[n - 1]

print(k)
Buggy code:
N=int(input())
A=list(map(int,input().split()))
Aabs=[abs(A[i]) for i in range(N)]
c=sum([A[i]<0 for i in range(N)])
print([A[i]<0 for i in range(N)])
if c%2==0:
    print(sum(Aabs))
else:
    print(sum(Aabs)-2*min(Aabs))

Fixed code:
N=int(input())
A=list(map(int,input().split()))
Aabs=[abs(A[i]) for i in range(N)]
c=sum([A[i]<0 for i in range(N)])
if c%2==0:
    print(sum(Aabs))
else:
    print(sum(Aabs)-2*min(Aabs))
Buggy code:
import sys

def solve():
    input = sys.stdin.readline
    N = int(input())
    A = [int(a) for a in input().split()]
    DP = [[-10 ** 20] * 2 for _ in range(N)]
    DP[0][0] = A[0]
    DP[0][1] = -1 * A[0]
    for i in range(1, N):
        a = A[i]
        DP[i][0] = max(max(DP[i-1][0] + a, DP[i-1][1] - a), DP[i][0])
        DP[i][1] = max(max(DP[i-1][0] - a, DP[i-1][1] + a), DP[i][1])
    print(DP[N-1])

    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()]
    DP = [[-10 ** 20] * 2 for _ in range(N)]
    DP[0][0] = A[0]
    DP[0][1] = -1 * A[0]
    for i in range(1, N):
        a = A[i]
        DP[i][0] = max(max(DP[i-1][0] + a, DP[i-1][1] - a), DP[i][0])
        DP[i][1] = max(max(DP[i-1][0] - a, DP[i-1][1] + a), DP[i][1])

    print(DP[N-1][0])

    return 0

if __name__ == "__main__":
    solve()
Buggy code:
N = int(input())
A = list(map(int,input().split()))
absA = [abs(i) for i in A]
minusA = [i for i in A if i<0]
mina = min(absA)
if (0 in A) or (len(minusA)%2 == 0):
    print(sum(absA))
else:
    print(absA -2*mina)
    

Fixed code:
N = int(input())
A = list(map(int,input().split()))
absA = [abs(i) for i in A]
minusA = [i for i in A if i<0]
mina = min(absA)
if (0 in A) or (len(minusA)%2 == 0):
    print(sum(absA))
else:
    print(sum(absA) -2*mina)
Buggy code:
n=int(input())
a=list(map(int,input().split()))
count=0
flag=1
num=10*9+1
for i in range(n):
  if a[i]<0:
    count+=1
    a[i]*=-1
  elif a[i]==0:
    flag=0
  if num>a[i]:
    num=a[i]
if count%2==0 or flag=0:
  print(sum(a))
else:
  print(sum(a)-2*num)

Fixed code:
n=int(input())
a=list(map(int,input().split()))
count=0
flag=1
num=10*9+1
for i in range(n):
  if a[i]<0:
    count+=1
    a[i]*=-1
  elif a[i]==0:
    flag=0
if count%2==0 or flag==0:
  print(sum(a))
else:
  print(sum(a)-2*min(a))
Buggy code:
N = int(input())
A = list(map(int,input().split()))

count = 0
for i in range(N):
    if A[i] < 0:
        count += 1
        
Aabs = [abs(i) for i in A]
print(sum(Aabs))

if count % 2 == 0:
    print(sum(Aabs))
else:
    mini = min(Aabs)
    print(Asum - 2*mini)

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

count = 0
for i in range(N):
    if A[i] < 0:
        count += 1
        
Aabs = [abs(i) for i in A]

if count % 2 == 0:
    print(sum(Aabs))
else:
    mini = min(Aabs)
    print(sum(Aabs) - 2*mini)
Buggy code:
_, *a = map(int, open(0).read().split())
t = map(abs, a)
s = sum(t)
print(s if len([i for i in a if i<0])%2==0 or 0 in a else s-min(t))

Fixed code:
_, *a = map(int, open(0).read().split())
*z, = map(abs, a)
s = sum(z)
print(s if len([i for i in a if i<0])%2==0 or 0 in a else s-min(z)*2)
Buggy code:
import sys
from functools import lru_cache
sys.setrecursionlimit(10**7)
INF = 10 ** 18

def LI(): return [int(x) for x in sys.stdin.readline().split()]
def II(): return int(sys.stdin.readline())

N = II()
A_li = LI()
N = len(A_li)

@lru_cache(maxsize=None)
def dp(i,j):
    print(i,j)
    if i == 0:
        if j == 0: return A_li[0]
        elif j == 1: return -A_li[0]
    else:
        if j == 0: return max(dp(i-1, 0) + A_li[i], dp(i-1, 1) - A_li[i])
        elif j == 1: return max(dp(i-1, 0) - A_li[i], dp(i-1, 1) + A_li[i])

print(dp(N-1,0))


Fixed code:
import sys
from functools import lru_cache
sys.setrecursionlimit(10**7)
INF = 10 ** 18
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def II(): return int(sys.stdin.readline())

N = II()
A_li = LI()
N = len(A_li)

@lru_cache(maxsize=None)
def dp(i,j):
    if i == 0:
        if j == 0: return 0
        elif j == 1: return -INF
    else:
        if j == 0: return max(dp(i-1,0) + A_li[i-1], dp(i-1,1) - A_li[i-1])
        if j == 1: return max(dp(i-1,0) - A_li[i-1], dp(i-1,1) + A_li[i-1])

print(dp(N,0))
Buggy code:
n = int(input())
a = [int(i) for i in input().split()]

minv = 0
count = 0
s = 0
for i in range(n):
    if a[i] < 0:
        s += -a[i]
        if minv > -a[i] or minv == 0:
            minv = -a[i]
        count += 1
    else:
        s += a[i]
        if minv > a[i] or minv == 0:
            minv = a[i]

if count % 2 == 1:
    s += 2*(-minv)

print(s)


Fixed code:
n = int(input())
a = [int(i) for i in input().split()]

minv = -1
count = 0
s = 0
for i in range(n):
    if a[i] < 0:
        s += -a[i]
        if minv > -a[i] or minv == -1:
            minv = -a[i]
        count += 1
    else:
        s += a[i]
        if minv > a[i] or minv == -1:
            minv = a[i]

if count % 2 == 1:
    s += 2*(-minv)

print(s)