qyliang/CodeNanoFix huggingface dataset:
Buggy code:
from pprint import pprint
from statistics import median

N = int(input())
As = list(map(int, input().split(" ")))

# pprint(As)

b = median(As)

ans = 0

for i, A in enumerate(As):
    ans += abs(A-b-i)

print(ans)

Fixed code:
from pprint import pprint
from statistics import median

N = int(input())
As = list(map(int, input().split(" ")))

As = [A - i for i, A in enumerate(As)]

# pprint(As)

b = int(median(As))

ans = 0

for A in As:
    ans += abs(A-b)

print(ans)
Buggy code:
N=int(input())
A=list(map(int, input().rstrip().split()))
B=list(A[i]-i for i in range(N))
C=B.sort()
work=C[N//2]
testA=sum(abs(B[i]-work) for i in range(N))
testB=sum(abs(B[i]-work-1) for i in range(N))
testC=sum(abs(B[i]-work+1) for i in range(N))
output=min(testA,testB,testC)
print(output)

Fixed code:
N=int(input())
A=list(map(int, input().rstrip().split()))
B=list(A[i]-i for i in range(N))
C=list(A[i]-i for i in range(N))
C.sort()
work=C[N//2]
testA=sum(abs(B[i]-work) for i in range(N))
testB=sum(abs(B[i]-work-1) for i in range(N))
testC=sum(abs(B[i]-work+1) for i in range(N))
output=min(testA,testB,testC)
print(output)
Buggy code:
import statistics
n = int(input())
a = list(int(x)-i-1 for i,x in enumerate(input().split()))
b = statistics.median(a)
print(sum(abs(j-b) for j in a))

Fixed code:
import statistics
import math
n = int(input())
a = list(int(x)-i-1 for i,x in enumerate(input().split()))
b = statistics.median(a)
print(math.floor(sum(abs(j-b) for j in a)))
Buggy code:

import numpy as np
import sys
sys.setrecursionlimit(100000)



def acinput():
    return list(map(int, input().split(" ")))



directions=np.array([[1,0],[0,1],[-1,0],[0,-1]])
directions = list(map(np.array, directions))

mod = 10**9+7


def factorial(n):
    fact = 1
    for integer in range(1, n + 1):
        fact *= integer
    return fact



def serch(x, count):
    #print("top", x, count)
            

    for d in directions:
        nx = d+x
        #print(nx)
        if np.all(0 <= nx) and np.all(nx < (H, W)):
            if field[nx[0]][nx[1]] == "E":
                count += 1 
                field[nx[0]][nx[1]] = "V"
                count = serch(nx, count)  
                continue
            if field[nx[0]][nx[1]] == "#":
                field[nx[0]][nx[1]] = "V"
                count = serch(nx, count)    
                 
    return count

N=int(input())
A=np.array(acinput())
s=A-range(1,N+1)

s=sorted(s)
m=np.median(s)

res=0
for i in range(N):
    res+=np.abs(A[i]-m-(i+1))

print(res)



Fixed code:

import numpy as np
import sys
sys.setrecursionlimit(100000)



def acinput():
    return list(map(int, input().split(" ")))



directions=np.array([[1,0],[0,1],[-1,0],[0,-1]])
directions = list(map(np.array, directions))

mod = 10**9+7


def factorial(n):
    fact = 1
    for integer in range(1, n + 1):
        fact *= integer
    return fact



def serch(x, count):
    #print("top", x, count)
            

    for d in directions:
        nx = d+x
        #print(nx)
        if np.all(0 <= nx) and np.all(nx < (H, W)):
            if field[nx[0]][nx[1]] == "E":
                count += 1 
                field[nx[0]][nx[1]] = "V"
                count = serch(nx, count)  
                continue
            if field[nx[0]][nx[1]] == "#":
                field[nx[0]][nx[1]] = "V"
                count = serch(nx, count)    
                 
    return count

N=int(input())
A=np.array(acinput())
s=A-range(1,N+1)

s=sorted(s)
m=round(np.median(s))

res=0
for i in range(N):
    res+=np.abs(A[i]-m-(i+1))

print(int(res))
Buggy code:
n = int(input())
a = list(map(int, input().split()))
for i in range(n):
    a[i] -= i+1
b = sorted(a)
center1 = 0
center2 = 0
if (b[-1]-b[0])%2 == 0:
    center1 = (b[-1]-b[0])/2
else:
    center1 = (b[-1]-b[0])//2
    center2 = center1 + 1
buf1 = 0
buf2 = 0
for i in range(n):
    buf1 += abs(b[i]-center1)
    buf2 += abs(b[i]-center2)
print(min(buf1, buf2))


Fixed code:
n = int(input())
a = list(map(int, input().split()))
for i in range(n):
    a[i] -= i+1
b = sorted(a)
center1 = b[n//2]
center2 = 0
if not n == 1:
    center2 = b[n//2+1]
buf1 = 0
buf2 = 0
for i in range(n):
    buf1 += abs(b[i]-center1)
    buf2 += abs(b[i]-center2)
print(int(min(buf1, buf2)))
Buggy code:
n = int(input())
a = list(map(int, input().split()))
ud = list()
for i in range(n):
    ud.append(a[i] - i)
ud.sort()
print(ud,)
ans = 0
for i in range(n):
    print(abs(ud[i] - ud[n // 2]))
    ans += abs(ud[i] - ud[n // 2])
print(ans)

Fixed code:
n = int(input())
a = list(map(int, input().split()))
ud = list()
for i in range(n):
    ud.append(a[i] - i)
ud.sort()
ans = 0
for i in range(n):
    ans += abs(ud[i] - ud[n // 2])
print(ans)
Buggy code:
N = int(input())
nums = input().split(" ")
nums2 = [int(x)-i-1 for i,x in enumerate(nums)]
nums2.sort()
length = len(nums2)
numpre = 0
same = 1
for n,m in zip(nums2,nums2[1:]):
  if n == m:
    same += 1
  else:
    impact = same + numpre
    if impact > length-impact:
      value = n
      break
    numpre += same
    same = 1
answer = 0
for i in nums2:
  answer += abs(i-value)
print(answer)

Fixed code:
N = int(input())
nums = input().split(" ")
nums2 = [int(x)-i-1 for i,x in enumerate(nums)]
nums2.sort()
length = len(nums2)
numpre = 0
same = 1
if length == 1:
  value = nums2[0]
 
for n,m in zip(nums2[:-1],nums2[1:]):
  if n == m:
    same += 1
  else:
    impact = same + numpre
    if impact > length-impact:
      value = n
      break
    numpre += same
    same = 1
  value = m
 
answer = 0
for i in nums2:
  answer += abs(i-value)
print(answer)
Buggy code:
n = int(input())
a = list(map(int,input().split()))

c = [a[i]-i-1 for i in range(n)]
ans = 0
c.sort()
print(c)
if n%2 == 1:
    b = c[n//2]
    for i in range(n):
        ans += abs(c[i]-b)
else:
    b = (c[n//2]+c[n//2-1])//2
    #print(b)
    for i in range(n):
        ans += abs(c[i]-b)
print(ans) 




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

c = [a[i]-i-1 for i in range(n)]
ans = 0
c.sort()
#print(c)
if n%2 == 1:
    b = c[n//2]
    for i in range(n):
        ans += abs(c[i]-b)
else:
    b = (c[n//2]+c[n//2-1])//2
    #print(b)
    for i in range(n):
        ans += abs(c[i]-b)
print(ans)
Buggy code:
import sys
from statistics import median
inputs = sys.stdin.readlines()

n = int(inputs[0])
A = list(map(int, inputs[1].split()))

B = list(map(lambda x: x[1]-x[0], enumerate(A, 1)))
C = list(map(lambda x: abs(x-median(B)), B))
print(sum(C))

Fixed code:
import sys
from statistics import median_low
inputs = sys.stdin.readlines()

n = int(inputs[0])
A = list(map(int, inputs[1].split()))

B = list(map(lambda x: x[1]-x[0], enumerate(A, 1)))
b = median_low(B)
C = list(map(lambda x: abs(x-b), B))
print(sum(C))
Buggy code:
n = int(input().strip())
a = list(map(int, input().split()))
b = [a[i] - (i + 1) for i in range(n)]
b.sort()
mid = b[n // 2]
ans = 0
for i in range(n):
    ans += abs(b - mid)
print(ans)


Fixed code:
n = int(input().strip())
a = list(map(int, input().split()))
b = [(a[i] - (i + 1)) for i in range(n)]
b.sort()
mid = b[n // 2]
ans = 0
for i in range(n):
    ans += abs(b[i] - mid)
print(ans)
Buggy code:
n = int(input().strip())
a = list(map(int, input().split()))
b = [(a[i] - (i + 1)) for i in range(n)]
b.sort()
mid = 0
if n % 2 == 1:
    mid = b[(n - 1) // 2 + 1]
else:
    mid = (b[(n - 1) // 2] + b[(n - 1) // 2]) // 2

ans = 0
for i in range(n):
    ans += abs(b[i] - mid)
print(ans)


Fixed code:
n = int(input().strip())
a = list(map(int, input().split()))
b = [(a[i] - (i + 1)) for i in range(n)]
b.sort()
mid = 0
if n == 1:
    mid = b[0]
elif n % 2 == 1:
    mid = b[(n - 1) // 2]
else:
    mid = (b[(n - 1) // 2] + b[(n - 1) // 2 + 1]) // 2
ans = 0
for i in range(n):
    ans += abs(b[i] - mid)
print(ans)
Buggy code:
import statistics

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

B = []
for i in range(N):
    B.append(A[i] - (i + 1))

b = statistics.median(B)

sadness = 0
for i in range(N):
    sadness += abs(A[i] - (b + i + 1))

print(sadness)



Fixed code:
import statistics

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

B = []
for i in range(N):
    B.append(A[i] - (i + 1))

b = int(statistics.median(B))

sadness = 0
for i in range(N):
    sadness += abs(A[i] - (b + i + 1))

print(sadness)
Buggy code:
n=int(input())
As=list(map(int,input().split()))

tmp=[As[i-1]-i for i in range(1,n+1)]
import statistics
b=statistics.median(tmp)
ans=[abs(As[i-1]-b-i) for i in range(1,n+1)]

print(sum(ans))

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

tmp=[As[i-1]-i for i in range(1,n+1)]
import statistics
b=statistics.median(tmp)
ans=[abs(As[i-1]-b-i) for i in range(1,n+1)]

print(int(sum(ans)))
Buggy code:
from statistics import median
N = int(input())
A = [int(i) for i in input().split()]

def k(A, b):
    return sum([abs(a - (b+i+1)) for i,a in enumerate(A)])


a = [a - i+1 for i,a in enumerate(A)]
b = median(a)

print(k(A,b))

Fixed code:
from statistics import median
N = int(input())
A = [int(i) for i in input().split()]

def k(A, b):
    return sum([abs(a - (b+i+1)) for i,a in enumerate(A)])

a = [a - (i+1) for i,a in enumerate(A)]
b = int(median(a))
print(k(A,b))
Buggy code:
n = int(input())
a = list(map(int, input().split()))
b = [a[i] - i - 1 for i in range(n)]
b = sorted(b)
if n % 2 == 1:
  c = b[(n-1)//2]
else:
  c = (b[n//2] + b[n//2+1])//2

print(sum([b[i]-c for i in range(n)]))

Fixed code:
n = int(input())
a = list(map(int, input().split()))
b = [a[i] - i - 1 for i in range(n)]
b = sorted(b)
if n % 2 == 1:
  c = b[(n-1)//2]
else:
  c = round((b[n//2-1] + b[n//2])//2)

print(sum(map(abs,[b[i]-c for i in range(n)])))
Buggy code:
a = int(input())
b = input().split()
c = []
for i in range(a):
  c.append(int(b[i]))
g = []
for i in range(a):
  g.append(c[i] - i-1)
g.sort()
d = g[int(a/2)]
f = 0
for i in range(a):
  e = abs(c[i]-(d+i+1))
  f += e
f

Fixed code:
a = int(input())
b = input().split()
c = []
for i in range(a):
  c.append(int(b[i]))
g = []
for i in range(a):
  g.append(c[i] - i-1)
g.sort()
d = g[int(a/2)]
f = 0
for i in range(a):
  e = abs(c[i]-(d+i+1))
  f += e
print(f)
Buggy code:
n=int(input())
a=list(map(int,input().split()))

b_low=-1*(10**12)
b_high=10**12
b_low_d=sum([abs(a[i]-(b_low+2+i)) for i in range(n)])-sum([abs(a[i]-(b_low+1+i)) for i in range(n)])
b_high_d=sum([abs(a[i]-(b_high+2+i)) for i in range(n)])-sum([abs(a[i]-(b_high+1+i)) for i in range(n)])

while b_high-b_low>10:
  b_tmp=(b_low+b_high)//2
  b_tmp_d=sum([abs(a[i]-(b_tmp+2+i)) for i in range(n)])-sum([abs(a[i]-(b_tmp+1+i)) for i in range(n)])
  if b_tmp_d>0:
    b_high=b_tmp
  else:
    b_low=b_tamp

ans=10**20
for j in range(b_low,b_high):
  ans=min(ans,sum([abs(a[i]-(j+2+i)) for i in range(n)]))

print(ans)

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

b_low=-1*(10**12)
b_high=10**12
b_low_d=sum([abs(a[i]-(b_low+2+i)) for i in range(n)])-sum([abs(a[i]-(b_low+1+i)) for i in range(n)])
b_high_d=sum([abs(a[i]-(b_high+2+i)) for i in range(n)])-sum([abs(a[i]-(b_high+1+i)) for i in range(n)])

while b_high-b_low>10:
  b_tmp=(b_low+b_high)//2
  b_tmp_d=sum([abs(a[i]-(b_tmp+2+i)) for i in range(n)])-sum([abs(a[i]-(b_tmp+1+i)) for i in range(n)])
  if b_tmp_d>0:
    b_high=b_tmp
  else:
    b_low=b_tmp

ans=10**20
for j in range(b_low,b_high):
  ans=min(ans,sum([abs(a[i]-(j+2+i)) for i in range(n)]))

print(ans)
Buggy code:
import sys
from collections import deque
from collections import  Counter
import statistics
import math
stdin = sys.stdin

ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))
ns = lambda: stdin.readline()

n = ni()
a_li = na()
for i in range(n):
    a_li[i] = a_li[i] - (i + 1)
m1 = statistics.median_low(a_li)
#m2 = statistics.median_high(a_li)
ans1 = 0
#ans2 = 0
for i in range(n):
    ans1 += abs(a_li[i] - m1)
    #ans2 += abs(a_li[i] - m2)
print(min(ans1))


Fixed code:
import sys
from collections import deque
from collections import  Counter
import statistics
import math
stdin = sys.stdin

ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))
ns = lambda: stdin.readline()

n = ni()
a_li = na()
for i in range(n):
    a_li[i] = a_li[i] - (i + 1)
m1 = statistics.median_low(a_li)
m2 = statistics.median_high(a_li)
ans1 = 0
ans2 = 0
for i in range(n):
    ans1 += abs(a_li[i] - m1)
    ans2 += abs(a_li[i] - m2)
print(min(ans1, ans2))
Buggy code:
import collections

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

for i in range(0, n):
    array[i] = array[i] - (i + 1)
c = collections.Counter(array)
elem = int(c.most_common()[0][0])

# print(c.most_common()[0][0])
print(array)
print(elem)
if c.most_common()[0][1] != 1:
    print("test")
    for j in range(0, n):
        array[j] = abs(array[j] - elem)
else:
    for j in range(0, n):
        array[j] = abs(array[j])

print(sum(array))

Fixed code:
import collections
from statistics import median

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

for i in range(0, n):
    array[i] = array[i] - (i + 1)
c = collections.Counter(array)
elem = int(c.most_common()[0][0])

# print(c.most_common()[0][0])
# print(array)
# print(elem)
# if c.most_common()[0][1] != 1:
#     # print("test")
#     for j in range(0, n):
#         array[j] = abs(array[j] - elem)
# else:
#     for j in range(0, n):
#         array[j] = abs(array[j])
b = int(median(array))
for j in range(0, n):
    array[j] = int(abs(array[j] - b))

print(sum(array))
Buggy code:
def main():
    n = int(input())
    a_list = map(lambda x: int(x), input().split(' '))
    b_list = [x - i for i, x in zip(range(1, n+1), a_list)]
    b_list.sort()
    median = 0
    if n % 2 == 0:
        median = (b_list[n/2-1] + b_list[n/2]) / 2
    else:
        median = b_list[n//2]
    result = sum([x - median for x in b_list])
    print(result)

if __name__ == "__main__":
    main()

Fixed code:
def main():
    n = int(input())
    a_list = map(lambda x: int(x), input().split(' '))
    b_list = [x - i for i, x in zip(range(1, n+1), a_list)]
    b_list.sort()
    median = 0
    if n % 2 == 0:
        median = (b_list[n//2-1] + b_list[n//2]) / 2
    else:
        median = b_list[n//2]
    result = int(sum([abs(x - median) for x in b_list]))
    print(result)

if __name__ == "__main__":
    main()
Buggy code:
n=int(input())
a=list(map(int, input().split()))
ans=0
a.sort()

x=a[len(a)//2]

for i in range(n):
    ans+=abs(a[i]-(x-len(a)//2+i))
    
print(ans)

Fixed code:
n=int(input())
a=list(map(int,input().split()))
for i in range(n):
  a[i]-=i+1
a.sort()
x=a[n//2]
ans=0
for i in a:
  ans+=abs(i-x)
print(ans)
Buggy code:
# ABC102C - Linear Approximation (ARC100C)
from statistics import median


def main():
    n = int(input())
    A = tuple(map(int, input().rstrip().split()))
    A = tuple(j - i for i, j in enumerate(A, start=1))
    ans = sum(abs(a - median(A)) for a in A)
    print(ans)


if __name__ == "__main__":
    main()

Fixed code:
# ABC102C - Linear Approximation (ARC100C)
from statistics import median


def main():
    n = int(input())
    A = tuple(map(int, input().rstrip().split()))
    A = tuple(j - i for i, j in enumerate(A, start=1))
    b = median(A)
    ans = sum(abs(a - b) for a in A)
    print(int(ans))


if __name__ == "__main__":
    main()
Buggy code:
N = int(input())
A = [int(i) for i in input().split()]

X = [a-(i+1) for i, a in enumerate(A)]
X.sort()
print(X)
b = X[(N)//2]
print(sum([abs(x - b) for x in X]))

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

X = [a-(i+1) for i, a in enumerate(A)]
X.sort()
b = X[(N)//2]
print(sum([abs(x - b) for x in X]))
Buggy code:
n = int(input())
a = list(map(int, input().split()))
for i in range(n):
    a[i] -= i + 1

a.sort()

b = a[n/2]

for i in range(n):
    a[i] = abs(a[i]-b)
print(sum(a))


Fixed code:
n = int(input())
a = list(map(int, input().split(" ")))
for i in range(n):
    a[i] -= 1 + i

a.sort()
b = a[n//2]
a = list(map(lambda x: abs(x-b), a))
print(sum(a))
Buggy code:
n=int(input())
a=list(map(int,input().split()))
for i in range(n):
    a[i]=a[i]-(i+1)
import numpy as np
an=np.array(a)
b=np.median(an)
ans=0
for i in a:
    ans+=abs(i-b)
print(ans)

Fixed code:
n=int(input())
a=list(map(int,input().split()))
for i in range(n):
    a[i]=a[i]-(i+1)
import numpy as np
an=np.array(a)
b=int(np.median(an))
ans=0
for i in a:
    ans+=abs(i-b)
print(ans)
Buggy code:
import math
import copy
import sys
import fractions
import numpy as np
from functools import reduce


# ===FUNCTION===

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


def getInputListInt():
    outputoData = []
    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 = getInputInt()
data = getInputListInt()

for i in range(n):
    data[i] = data[i] - (i + 1)

ave = np.mean(data)

ave = round(ave)

ans = 0

for i in range(n):
    ans += abs(data[i] - ave)

print(int(ans))

Fixed code:
import math
import copy
import sys
import fractions
import numpy as np
from functools import reduce
import statistics


# ===FUNCTION===

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


def getInputListInt():
    outputoData = []
    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 = getInputInt()
data = getInputListInt()

for i in range(n):
    data[i] = data[i] - (i + 1)

ave = statistics.median(data)



ans = 0

for i in range(n):
    ans += abs(data[i] - ave)

print(int(ans))
Buggy code:
n=int(input())
a=list(map(int,input().split()))
A=[]
for i in range(n):
  A.append(a[i]-i-1)
A.sort()
b=0
c=0
ans=0
Ans=0
if n%!=0:
  b=n//2
  for i in range(n):
    ans+=abs(A[i]-b)
  print(ans)
else:
  b=n//2
  c=(n//2)-1
  for i in range(n):
    ans+=abs(A[i]-b)
    Ans+=abs(A[i]-c)
  print(min(ans,Ans))
  

Fixed code:
n=int(input())
a=list(map(int,input().split()))
A=[]
for i in range(n):
  A.append(a[i]-i-1)
A.sort()
b=0
c=0
ans=0
Ans=0
if n%2!=0:
  b=n//2
  for i in range(n):
    ans+=abs(A[i]-A[b])
  print(ans)
else:
  b=n//2
  c=(n//2)-1
  for i in range(n):
    ans+=abs(A[i]-A[b])
    Ans+=abs(A[i]-A[c])
  print(min(ans,Ans))
Buggy code:
import numpy as np

n = int(input())
a_list = list(map(int, input().split()))


a_nparray=np.array(a_list)
i_nparray=np.array(range(1,len(a_list)+1))

bi_nparray=a_nparray-i_nparray

b=np.median(bi_nparray)

ans=0
for i in range(len(a_list)):
  ans += abs(a_list[i]-(b+(i+1)))

print(ans)

Fixed code:
import numpy as np

n = int(input())
a_list = list(map(int, input().split()))


a_nparray=np.array(a_list)
i_nparray=np.array(range(1,len(a_list)+1))

bi_nparray=a_nparray-i_nparray

b=int(np.median(bi_nparray))

ans=0
for i in range(len(a_list)):
  ans += abs(a_list[i]-(b+(i+1)))

print(ans)
Buggy code:
# coding: utf-8
# Your code here!
import statistics

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

S1=[]
for i in range(N):
    S1.append(S[i])
S1.sort()
chuouchi=statistics.median_high(S)
chuouchi2=statistics.median_low(S)
chuouchi3=statistics.median(S)
ans=10**20
ansj=0
A=chuouchi-N//2-4
B=chuouchi-N//2+4
C=chuouchi2-N//2-4
D=chuouchi2-N//2+4
E=chuouchi3-N//2-4
F=chuouchi3-N//2+4
for i in range(A,B):
    goukei=0
    for j in range(N):
        goukei+=abs(S[j]-(i+j+1))
        
    if ans>goukei:
        ans=goukei
        
for i in range(C,D):
    goukei=0
    for j in range(N):
        goukei+=abs(S[j]-(i+j+1))
        
    if ans>goukei:
        ans=goukei

for i in range(E,F):
    goukei=0
    for j in range(N):
        goukei+=abs(S[j]-(i+j+1))
        
    if ans>goukei:
        ans=goukei        
        
print(ans)




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

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

S1=[]
for i in range(N):
    S1.append(S[i]-i)
S1.sort()
chuouchi=statistics.median_high(S1)
chuouchi2=statistics.median_low(S1)
chuouchi3=statistics.median(S1)
ans=10**20
ansj=0
A=chuouchi-4
B=chuouchi+4
C=chuouchi2-4
D=chuouchi2+4
E=int(chuouchi3)-4
F=int(chuouchi3)+4
for i in range(A,B):
    goukei=0
    for j in range(N):
        goukei+=abs(S[j]-(i+j+1))
        
    if ans>goukei:
        ans=goukei
        
for i in range(C,D):
    goukei=0
    for j in range(N):
        goukei+=abs(S[j]-(i+j+1))
        
    if ans>goukei:
        ans=goukei

for i in range(E,F):
    goukei=0
    for j in range(N):
        goukei+=abs(S[j]-(i+j+1))
        
    if ans>goukei:
        ans=goukei        
        
print(ans)
Buggy code:
import sys
import math
import collections
import itertools
import array
import inspect

# Set max recursion limit
sys.setrecursionlimit(10000)

# Debug output
def chkprint(*args):
    names = {id(v):k for k,v in inspect.currentframe().f_back.f_locals.items()}
    print(', '.join(names.get(id(arg),'???')+' = '+repr(arg) for arg in args))

# Binary converter
def to_bin(x):
    return bin(x)[2:]

# --------------------------------------------

dp = None

def main():
    N = int(input())
    A = [int(_) for _ in input().split()]

    i = 0
    while i < len(A):
        A[i] -= (i + 1)
        i += 1

    b = round(sum(A) / len(A))

    sad = 0
    for a in A:
        sad += abs(a - b)

    print(sad)

main()


Fixed code:
import sys
import math
import collections
import itertools
import array
import inspect

# Set max recursion limit
sys.setrecursionlimit(10000)

# Debug output
def chkprint(*args):
    names = {id(v):k for k,v in inspect.currentframe().f_back.f_locals.items()}
    print(', '.join(names.get(id(arg),'???')+' = '+repr(arg) for arg in args))

# Binary converter
def to_bin(x):
    return bin(x)[2:]

# --------------------------------------------

dp = None

def main():
    N = int(input())
    A = [int(_) for _ in input().split()]

    i = 0
    while i < len(A):
        A[i] -= (i + 1)
        i += 1

    A.sort()
    b = A[len(A) // 2]

    sad = 0
    for a in A:
        sad += abs(a - b)

    print(sad)

main()
Buggy code:
n = int(input())
an = list(map(int, input().split()))
a = []
su = 0
for i in range(n):
  a.append(an[i] - i+1) 
a.sort()
b = a[n//2]
for i in range(n):
  su += abs(an[i] - (int(b) + i))
print(su)

Fixed code:
n = int(input())
an = list(map(int, input().split()))
su = 0
for i in range(n):
  an[i] -= i+1
an.sort()
b = an[n//2]
for i in range(n):
  an[i] -= b
  an[i] = abs(an[i])
print(sum(an))
Buggy code:
# coding: utf-8
import sys
import numpy as np

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N = ir()
A = np.array(lr(), dtype=np.int32)
A -= np.arange(1, N+1)
answer = np.abs(A - np.median(A)).sum()
print(answer)


Fixed code:
# coding: utf-8
import sys
import numpy as np

sr = lambda: sys.stdin.readline().rstrip()
ir = lambda: int(sr())
lr = lambda: list(map(int, sr().split()))

N = ir()
A = np.array(lr(), dtype=np.int32)
A -= np.arange(1, N+1)
answer = np.abs(A - int(np.median(A))).sum()
print(answer)