qyliang/CodeNanoFix huggingface dataset:
Buggy code:
def jumpCost(array):
    size = len(array)

    memo = [99999999999] * (size)

    memo[0] = 0

    for i in range(size):
        j = i+1

        while j < i + 2 + 1 and j < size:
            memo[j] = min(memo[j], memo[i] + abs(array[i] - array[j]))

            j += 1

    return memo[size - 1]


if __name__ == '__main__':
    n = int(input())

    a = list(map(int, input().rstrip().split()))
    jumpCost(a)

Fixed code:
def jumpCost(array):
    size = len(array)

    memo = [99999999999] * (size)

    memo[0] = 0

    for i in range(size):
        j = i+1

        while j < i + 2 + 1 and j < size:
            memo[j] = min(memo[j], memo[i] + abs(array[i] - array[j]))

            j += 1

    return memo[size - 1]


if __name__ == '__main__':
    n = int(input())

    a = list(map(int, input().rstrip().split()))
    print(jumpCost(a))
Buggy code:

count = int(input())
numList = list(map(int, input().split()))
numList.insert(0, numList[0])

dp = [0] * (count)

for i in range(1, count):
    val1 = abs(numList[i] - numList[i - 1])
    val2 = abs(numList[i] - numList[i - 2]) if i > 1 else val1

    dp[i] = dp[i - 1] + min(val1, val2)

print(dp[count - 1])


Fixed code:
count = int(input())
numList = list(map(int, input().split()))
numList.insert(0, numList[0])

dp = [0] * (count + 1)

for i in range(1, count + 1):
    val1 = abs(numList[i] - numList[i - 1])
    val2 = abs(numList[i] - numList[i - 2]) if i > 1 else val1

    dp[i] = min(dp[i -1] + val1, dp[i - 2] + val2)

print(dp[count])
Buggy code:
n = int(input())
aaa = list(map(int,input().split()))
def hantei(n,aaa):
    dp = [0]*(n+1)
    dp[0] = 0
    dp[1] = abs(aaa[1]-aaa[0])
    for i in range(n-2):
        dp[i+2] = min(dp[i+1]+abs(aaa[i+2]-aaa[i+1]),dp[i]+abs(aaa[i+2]-aaa[i]))
    return dp[n-1]
hantei(n,aaa)

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

def hantei(n,aaa):
	dp = [0]*(n+1)
	dp[0] = 0
	dp[1] = abs(aaa[1]-aaa[0])
	for i in range(n-2):
		dp[i+2] = min(dp[i+1]+abs(aaa[i+2]-aaa[i+1]),dp[i]+abs(aaa[i+2]-aaa[i]))
	return dp[n-1]

print(hantei(n,aaa))
Buggy code:
#coding: utf-8
N = int(input())
dp = [0 for _ in range(N)]
h = list(map(int, input().split()))
for i in range(2, N):
    dp[i] = min(dp[i-2] + abs(h[i-2] - h[i]), dp[i-1] + abs(h[i-1] - h[i]))
print(dp[N-1])

Fixed code:
#coding: utf-8
N = int(input())
dp = [0 for _ in range(N)]
h = list(map(int, input().split()))
dp[1] = dp[0] + abs(h[0] - h[1])
for i in range(2, N):
    dp[i] = min(dp[i-2] + abs(h[i-2] - h[i]), dp[i-1] + abs(h[i-1] - h[i]))
print(dp[N-1])
Buggy code:
n = int(input())
l = list(map(int, input().split()))
dp = [0]*n

for i in range(1,n):
  d1 = dp[i-1] + abs(l[i] - l[i-1])
  if i > 1:
    d2 = dp[i-2] + abs(l[i] - l[i-2])
    if d1 > d2:
      d1 = d2
  dp[i] = d1
print(l,dp)

Fixed code:
n = int(input())
l = list(map(int, input().split()))
dp = [0]*n

for i in range(1,n):
  d1 = dp[i-1] + abs(l[i] - l[i-1])
  if i > 1:
    d2 = dp[i-2] + abs(l[i] - l[i-2])
    if d1 > d2:
      d1 = d2
  dp[i] = d1
print(dp[-1])
Buggy code:
import sys
import numpy as np
 
if sys.platform =='ios':
    sys.stdin=open('input_file.txt')
 
 
n=int(input())
h=list(map(int,input().split()))

dp=[0]*(n+1)

dp[0]=0
dp[1]=abs(h[1]-h[0])
for i in range(0,n-2):
	dp[i+2]=min((dp[i]+abs(h[i+2]-h[i])),(dp[i+1]+abs(h[i+1]-h[i])))


print(dp[n-1])

Fixed code:
import sys
import numpy as np
 
if sys.platform =='ios':
    sys.stdin=open('input_file.txt')
 
 
n=int(input())
h=list(map(int,input().split()))

dp=[0]*(n+1)

dp[1]=0
dp[2]=abs(h[1]-h[0])
for i in range(1,n-1):
	dp[i+2]=min((dp[i]+abs(h[i+1]-h[i-1])),(dp[i+1]+abs(h[i+1]-h[i])))


print(dp[n])
Buggy code:
n = int(input())
ln = list(map(int, input().split()))
min_ln = []
for i in range(n):
    if i == 0:
        min_ln.append(0)
    elif i == 1:
        min_ln.append(abs(ln[1] - ln[0]))
    else:
        min_ln.append(min(abs(ln[i] - ln[i-1]) + min_ln[i-1], abs(ln[i] - ln[i-2]) + min_ln[i-2]))
print(min_ln,min_ln[-1])

Fixed code:
n = int(input())
ln = list(map(int, input().split()))
min_ln = []
for i in range(n):
    if i == 0:
        min_ln.append(0)
    elif i == 1:
        min_ln.append(abs(ln[1] - ln[0]))
    else:
        min_ln.append(min(abs(ln[i] - ln[i-1]) + min_ln[i-1], abs(ln[i] - ln[i-2]) + min_ln[i-2]))
print(min_ln[-1])
Buggy code:
N = int(input())
h = [int(i) for i in input().split()]
DP = [0]
DP.append(abs(h[0] - h[1]))

for i in range(2,len(h)):
    if DP[i-1] + abs(h[i-1] - h[i]) > DP[i-2] + abs(h[i-2] - h[i]):
        DP.append(DP[i-2] + abs(h[i-2] - h[i]))
    else:
        DP.append(DP[i-1] + abs(h[i-1] - h[i]))

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


Fixed code:
N = int(input())
h = [int(i) for i in input().split()]
DP = [0]
DP.append(abs(h[0] - h[1]))

for i in range(2,len(h)):
    if DP[i-1] + abs(h[i-1] - h[i]) > DP[i-2] + abs(h[i-2] - h[i]):
        DP.append(DP[i-2] + abs(h[i-2] - h[i]))
    else:
        DP.append(DP[i-1] + abs(h[i-1] - h[i]))

print(DP[N-1])
Buggy code:

N = int(input())
H = list(map(int, input().split()))
         
# N = 4
# H = [10,30,40,20]
         
table = [0]*N
flag = [[False]*N]

for i in range(N-1):
    if i == 0:
        table[i+1] = table[i] + abs(H[i]-H[i+1])
    elif i <= N-3:
        table[i+2] = min(
            table[i] + abs(H[i]-H[i+2]),
            table[i+1] + abs(H[i+1] - H[i+2])
        )
    else: #N-2
        table[i+1] = table[i] + abs(H[i]-H[i+1])
    print(table)

print(table[-1])

Fixed code:

N = int(input())
H = list(map(int, input().split()))
         
# N = 4
# H = [10,30,40,20]
         
table = [0]*N
flag = [[False]*N]

for i in range(1, N):
#     print(i)
    if i == 1:
        table[i] = table[i-1] + abs(H[i-1]-H[i])
    else:
        table[i] = min(
            table[i-2] + abs(H[i-2]-H[i]),
            table[i-1] + abs(H[i-1] - H[i])
        )
#     print(table)

print(table[-1])
Buggy code:
N=int(input())
H=[int(i) for i in input().split()]
dp=[0]*(N+5)
dp[0]=0
dp[1]=abs(H[1]-H[0])
for i in range(1,N):
  dp[i]=min(dp[i-2]+abs(H[i-2]-H[i]),dp[i-1]+abs(H[i-1]-H[i]))
print(dp[N-1])
            
  

Fixed code:
N=int(input())
H=[int(i) for i in input().split()]
dp=[0]*(N+5)
dp[0]=0
dp[1]=abs(H[1]-H[0])
for i in range(2,N):
  dp[i]=min(dp[i-2]+abs(H[i-2]-H[i]),dp[i-1]+abs(H[i-1]-H[i]))
print(dp[N-1])
Buggy code:
import sys
n,k = map(int,input().split())
l = list(map(int, input().split()))
dp = [sys.maxsize] *n
dp[0] = 0
for i in range(n):
    for j in range(i+1,i+k+1):
        if(j<n):
            dp[j]=min(dp[j],dp[i]+abs(l[i]-l[j]))
print(dp[n-1])

Fixed code:
import sys
n = int(input())
l = list(map(int, input().split()))
dp = [sys.maxsize] *n
dp[0] = 0
for i in range(n):
    for j in range(i+1,i+3):
        if(j<n):
            dp[j]=min(dp[j],dp[i]+abs(l[i]-l[j]))
print(dp[n-1])
Buggy code:
N = int(input())
H = tuple(map(int, input(),split()))

dp = [0, abs(H[1]-H[0])]

if N > 2:
    for i in range(2, N):
        dp[2] = min(dp[i-2] + abs(H[i]-H[i-2]), dp[i-1] + abs(H[i]-H[i-1]))
else:
    print(dp[-1])
    exit()

print(dp[-1])


Fixed code:
N = int(input())
H = tuple(map(int, input().split()))

dp = [0] * N
dp[1] = abs(H[1]-H[0])
if N > 2:
    for i in range(2, N):
        dp[i] = min(dp[i-2] + abs(H[i]-H[i-2]), dp[i-1] + abs(H[i]-H[i-1]))
else:
    print(dp[-1])
    exit()

print(dp[-1])
Buggy code:
N = int(input())
H = list(map(int, input().split()))

dp = []

for i, h in enumerate(H) :
  if (i==0) :
    dp.append(0)
    continue
  
  if (i==1) :
    dp.append(abs(H[0]-H[1]))
    continue
  
  one = abs(dp[i-2] + (H[i]-H[i-1]))
  two = abs(H[i]-H[i-2])
  
  if (one < two):
    dp.append(dp[i-1] + one)
  else :
    dp.append(dp[i-2] + two)

print(dp)

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

dp = []

for i, h in enumerate(H) :
  if (i==0) :
    dp.append(0)
    continue
  
  if (i==1) :
    dp.append(abs(H[0]-H[1]))
    continue
  
  one = dp[i-1] + abs(H[i]-H[i-1])
  two = dp[i-2] + abs(H[i]-H[i-2])
  
  if (one < two):
    dp.append(one)
  else :
    dp.append(two)

print(dp[-1])
Buggy code:
n = int(input())
h = list(map(int, input().split()))

dp = [0] * (n)
dp[0] = h[0]
dp[1] = abs(h[0]-h[1])

for i in range(2,n):
    dp[i] = min(abs(h[i-1]-h[i])+dp[i-1], abs(h[i-2]-h[i])+dp[i-2])
print(dp[n-1])

Fixed code:
n = int(input())
h = list(map(int,input().split()))
dp = [0, abs(h[1]-h[0])]
for i in range(n-2):
    dp.append(min(dp[i]+abs(h[i+2]-h[i]), dp[i+1]+abs(h[i+2]-h[i+1])))
print(dp[n-1])
Buggy code:
n=int(input())
l=list(map(int,input().split()))
dp=[10**55 for i in range(n)]
dp[0]=0
dp[1]=abs(l[1]-l[0])
for i in range(n):
    dp[i] = min(dp[i], dp[i-1] + abs(l[i] - l[i - 1]))
    dp[i] = min(dp[i], dp[i-2] + abs(l[i] - l[i - 2]))
    print(dp)
print(dp[n-1])



Fixed code:
n=int(input())
l=list(map(int,input().split()))
dp=[10**55 for i in range(n)]
dp[0]=0
dp[1]=abs(l[1]-l[0])
for i in range(2,n):
    dp[i] = min(dp[i], dp[i-1] + abs(l[i] - l[i - 1]))
    dp[i] = min(dp[i], dp[i-2] + abs(l[i] - l[i - 2]))
print(dp[n-1])
Buggy code:
import numpy as np
#N=int(input())
#h=list(map(int,input().split()))

N=4
h=[10,30,40,20]

dp=np.zeros(N)
print(dp)
dp[1]=abs(h[1]-h[0])
print(dp)

for i in range(N-2):
  dp[i+2]=min(abs(h[i+2]-h[i])+dp[i],abs(h[i+2]-h[i+1])+dp[i+1])
  print(dp)
  #dp[2]=min(h[2]-h[0],h[1]-h[0])

#total

print(dp[-1])

Fixed code:
import numpy as np
N=int(input())
h=list(map(int,input().split()))

#N=4
#h=[10,30,40,20]

dp=np.zeros(N)
#print(dp)
dp[1]=abs(h[1]-h[0])
#print(dp)

for i in range(N-2):
  dp[i+2]=min(abs(h[i+2]-h[i])+dp[i],abs(h[i+2]-h[i+1])+dp[i+1])
 # print(dp)
  #dp[2]=min(h[2]-h[0],h[1]-h[0])

#total

print(int(dp[-1]))
Buggy code:
n = int(input())
a = list(map(int,input().split()))
inf = 10000
dp_table = [inf for i in range(n)]
dp_table[1] = abs(a[0] - a[1])
for i in range(2,len(a)):
    dp_table[i] = min(dp_table[i-2]+abs(a[i-2]-a[i]),dp_table[i-1]+abs(a[i-1]-a[i]))
print(dp_table[-1])

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

dp_table = [0 for i in range(n)]
dp_table[1] = abs(a[0] - a[1])
for i in range(2,len(a)):
    dp_table[i] = min(dp_table[i-2]+abs(a[i-2]-a[i]),dp_table[i-1]+abs(a[i-1]-a[i]))
print(dp_table[-1])
Buggy code:
N = int(input())
H = [int(_) for _ in input().split()]
dp = [0, 0]
dp[0] = abs(H[1] - H[0])
if N == 2:
    print(dp[0])
else:
    dp[1] = abs(H[2] - H[0])
    for i in range(3, N):
        dp = [dp[1]] + [
            min(dp[0] + abs(H[i] - H[i - 2]), dp[1] + abs(H[i] - H[i - 1]))
        ]
    print(dp)


Fixed code:
N = int(input())
H = [int(_) for _ in input().split()]
dp = [0, 0]
dp[0] = abs(H[1] - H[0])
if N == 2:
    print(dp[0])
else:
    dp[1] = abs(H[2] - H[0])
    for i in range(3, N):
        dp = [dp[1]] + [
            min(dp[0] + abs(H[i] - H[i - 2]), dp[1] + abs(H[i] - H[i - 1]))
        ]
    print(dp[-1])
Buggy code:
import sys

stdin = sys.stdin

ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))
ns = lambda: stdin.readline().rstrip()  # ignore trailing spaces

n = ni()
h = na()

dp = [0]*n
dp[0] = 0
dp[1] = abs(h[1]-h[0])
count = 1
for i in range(2,n):
  dp[i] = min(abs(h[i-1]-h[i])+dp[i-1], abs(h[i-2]-h[i])+dp[i-2])
print(dp)

Fixed code:
import sys

stdin = sys.stdin

ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))
ns = lambda: stdin.readline().rstrip()  # ignore trailing spaces

n = ni()
h = na()

dp = [0]*n
dp[0] = 0
dp[1] = abs(h[1]-h[0])
count = 1
for i in range(2,n):
  dp[i] = min(abs(h[i-1]-h[i])+dp[i-1], abs(h[i-2]-h[i])+dp[i-2])
print(dp[-1])
Buggy code:
N = int(input())
H = input().split(" ")
c = [10 ** 7 for i in range(N)]
c[0] = 0
c[1] = abs(int(h[0])-int(h[1]))
for i in range(N-2):
  c[i+2] = min(c[i]+abs(H[i]-H[i+2]),c[i+1]+abs(H[i+1]-H[i+2])
print(c[-1])

Fixed code:
N = int(input())
H = input().split(" ")
c = [10 ** 7 for i in range(N)]
c[0] = 0
c[1] = abs(int(H[0])-int(H[1]))
for i in range(N-2):
  c[i+2] = min(c[i]+abs(int(H[i])-int(H[i+2])),c[i+1]+abs(int(H[i+1])-int(H[i+2])))
print(c[len(c)-1])
Buggy code:
n = int(input())
*h, = map(int, input().split())

dp = [float("inf")]*n
dp[0] = 0

for i in range(1, n):
    if i == 1:
        dp[i] = dp[i-1] + abs(h[i-1] - h[i])
    else:
        dp[i] = min(dp[i-1] + abs(h[i-1] - h[i]), dp[i-2] + abs(h[i-2] - h[i]))

print(dp)


Fixed code:
n = int(input())
h = [int(i) for i in input().split()]
dp = [float('inf')]*n
dp[0] = 0
dp[1] = abs(h[1]-h[0])
if n == 2:
    print(dp[1])
else:
    for i in range(2,n):
        dp[i] = min(dp[i-2]+abs(h[i]-h[i-2]),dp[i-1]+abs(h[i]-h[i-1]))
    print(dp[n-1])
Buggy code:
N = input()
H = list(map(int,input().split()))
dp=[0 for i in range(H+1)]
dp[0]=0
dp[1]=abs(H[0-H[1]])
for i in range(2,N):
    dp[i+1] +=min(dp[i]+abs(H[i]-H[i+1]),dp[i-1]+abs(H[i-1]-H[i+1]))
    return dp[N]
print(dp[N])

Fixed code:
N = int(input())
H = list(map(int, input().split()))
H = [0] + H

dp = [None for _ in range(N+1)]

dp[N] = 0
dp[N-1] = abs(H[N]-H[N-1])
for i in range(N-2,0,-1):
	dp[i] = min(abs(H[i+1]-H[i])+dp[i+1], abs(H[i+2]-H[i])+dp[i+2])

print(dp[1])
Buggy code:
n=int(input())
a=[int(s) for s in input().split()]
b=[0]*n
b[1]=abs(a[0]-a[1])
for i in range(2,n):
  b[i]=min(b[i-1]+abs(a[i]-a[i-1]),b[i-2]+as(a[i]-a[i-2]))
print(b[n-1])  

Fixed code:
n=int(input())
a=[int(s) for s in input().split()]
b=[0]*n
b[1]=abs(a[0]-a[1])
for i in range(2,n):
    b[i]=min(b[i-1]+abs(a[i]-a[i-1]),b[i-2]+abs(a[i]-a[i-2]))
print(b[n-1])
Buggy code:
n = int(input())
h = (int(i) for i in input().split())
x, y = 0, abs(h[0]-h[1])
for i in range(2, n):
    v = min(x+abs(h[i-2]-h[i]), y+abs(h[i-1]-h[i]))
    x, y = y, v
print(y)


Fixed code:
n = int(input())
h = tuple(int(i) for i in input().split())
x, y = 0, abs(h[0]-h[1])
for i in range(2, n):
    v = min(x+abs(h[i-2]-h[i]), y+abs(h[i-1]-h[i]))
    x, y = y, v
print(y)
Buggy code:
n = int(input())
hi = [int(i) for i in input().split()]
dp = [100000]*(n)
dp[0] = 0

for i in range(1,n) :
  
  dp[i] = min(dp[i],dp[i-1] + abs(hi[i-1] - hi[i]))
  
  if 0 < i :
    dp[i] = min(dp[i],dp[i-2] + abs(hi[i-2] - hi[i]))

print(dp)
print(dp[-1])
  

Fixed code:
n = int(input())
hi = [int(i) for i in input().split()]
dp = [10000000000000]*(n)
dp[0] = 0

for i in range(1,n) :
  
  dp[i] = min(dp[i],dp[i-1] + abs(hi[i-1] - hi[i]))
  
  if 0 < i :
    dp[i] = min(dp[i],dp[i-2] + abs(hi[i-2] - hi[i]))


print(dp[-1])
Buggy code:
n = int(input())
h = list(map(int,input().split()))

INF = 10010

dp = [INF for i in range(n)]
dp[0] = 0

def chmin(a, b):
    if a > b:
        a = b
    return a

for i in range(1,n):
    dp[i] = chmin(dp[i], dp[i-1] + abs(h[i] - h[i-1]))
    if i > 1:
        dp[i] = chmin(dp[i], dp[i-2] + abs(h[i] - h[i-2]))

print(dp)
print(dp[-1])

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

INF = 10000000000

dp = [INF for i in range(n)]
dp[0] = 0

def chmin(a, b):
    if a > b:
        a = b
    return a

for i in range(1,n):
    dp[i] = chmin(dp[i], dp[i-1] + abs(h[i] - h[i-1]))
    if i > 1:
        dp[i] = chmin(dp[i], dp[i-2] + abs(h[i] - h[i-2]))

print(dp[-1])
Buggy code:
N = int(input())
h = list(map(int,input().split()))
inf = float("inf")
dp = [0]*(N+1)
dp[1] = 0
dp[2] = 0
for i in range(2,N):
    dp[i+1] = min(dp[i]+abs(h[i]-h[i-1]),dp[i]+abs(h[i]-h[i-2]))

print(dp[N])

Fixed code:
N = int(input())
h = list(map(int,input().split()))
inf = float("inf")
dp = [0]*(N+1)
dp[0] = 0
dp[1] = abs(h[1]-h[0])
for i in range(1,N-1):
    dp[i+1] = min(dp[i]+abs(h[i+1]-h[i]),dp[i-1]+abs(h[i+1]-h[i-1]))

print(dp[N-1])
Buggy code:
import numpy as np

N = int(input())
H = [ int(s) for s in str(input()).split()]
dp = np.full(10**5 + 10, np.inf)

def rec(i):
    if dp[i] < np.inf:
        return dp[i]
    
    if i==0:
        return 0
    
    res = np.inf
    res = min(res, rec(i-1) + abs(H[i] -H[i-1]))
    if i > 1:
        res = min(res, rec(i-2) + abs(H[i] - H[i-2]))
    
    dp[i] = res
    return res

def main3():
    print(rec(N-1))

if __name__ == '__main__':
    main3()

Fixed code:
import numpy as np

N = int(input())
H = [ int(s) for s in str(input()).split()]
dp = np.full(10**5 + 10, np.inf)

def rec(i):
    if dp[i] < np.inf:
        return dp[i]
    
    if i==0:
        return 0
    
    res = np.inf
    res = min(res, rec(i-1) + abs(H[i] -H[i-1]))
    if i > 1:
        res = min(res, rec(i-2) + abs(H[i] - H[i-2]))
    
    dp[i] = res
    return res

def main3():
    print(int(rec(N-1)))

def main2():
    dp = np.full(10**5 + 10, np.inf)
    dp[0] = 0
    
    for i in range(0, N):
        if i+1 < N:
            dp[i+1] = min(dp[i+1], dp[i] + abs(H[i] - H[i+1]))
        if i+2 < N:
            dp[i+2] = min(dp[i+2], dp[i] + abs(H[i] - H[i+2]))
    
    print(int(dp[N-1]))
    
if __name__ == '__main__':
    main2()
Buggy code:

n=int(input())
h=list(map(int,input().split()))
dp=[0 for _ in range(n)]
dp[0]=0
dp[1]=h[0]
for i in range(2,n):
    x=dp[i-1]+abs(h[i-1]-h[i])
    x1 = dp[i - 2] + abs(h[i - 2] - h[i])
    dp[i]=min(x,x1)
print(dp[-1])

Fixed code:
n=int(input())
h=list(map(int,input().split()))
dp=[0 for _ in range(n)]
dp[1]=abs(h[0]-h[1])
for i in range(2,n):
  dp[i]=min(dp[i-1]+abs(h[i]-h[i-1]),dp[i-2]+abs(h[i]-h[i-2]))
print(dp[n-1])
Buggy code:
from sys import stdin

n = int(stdin.readline().rstrip())
li = list(map(int,stdin.readline().rstrip().split()))

def score(li,n):
    dp = [-1 for _ in li]
    dp[0] = li[0]
    dp[1] = abs(li[1]-li[0])
    if n == 1:
        return dp[0]
    elif n == 2:
        return dp[1]
    else:
        for i in range(2,n):
            if dp[i] == -1:
                dp[i] = min(dp[i-2]+abs(li[i]-li[i-2]),dp[i-1]+abs(li[i]-li[i-1]))
        return(dp[-1])
    
print(score(li,n))

Fixed code:
from sys import stdin

n = int(stdin.readline().rstrip())
li = list(map(int,stdin.readline().rstrip().split()))

def score(li,n):
    dp = [-1 for _ in li]
    dp[0] = 0
    dp[1] = abs(li[1]-li[0])
    if n == 1:
        return dp[0]
    elif n == 2:
        return dp[1]
    else:
        for i in range(2,n):
            dp[i] = min(dp[i-2]+abs(li[i]-li[i-2]),dp[i-1]+abs(li[i]-li[i-1]))
        return(dp[n-1])
    
print(score(li,n))
Buggy code:
import numpy as np
N = int(input())
h = np.ndarray(input().split(), dtype='int32')
dp = np.zeros(N, dtype='int32')

dp[1] = np.abs(h[1]-h[0])
if N > 2:
    for i in range(2, N):
        dp[i] = np.min(dp[i-2:i] + np.abs(h[i]-h[i-2:i]))

print(dp[-1])

Fixed code:
import numpy as np
N = int(input())
h = np.array(input().split(), dtype='int32')
dp = np.zeros(N, dtype='int32')

dp[1] = np.abs(h[1]-h[0])
if N > 2:
    for i in range(2, N):
        dp[i] = np.min(dp[i-2:i] + np.abs(h[i]-h[i-2:i]))

print(dp[-1])
Buggy code:
from math import inf

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

costs = [inf]*n
costs[0] = 0

for i in range(n):
	for j in (i+1, i+2):
		if j < n:
			costs[j] = min(costs[j], costs[i]+abs(h[i]-h[j]))
print(c[-1])

Fixed code:
from math import inf

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

costs = [inf]*n
costs[0] = 0

for i in range(n):
	for j in (i+1, i+2):
		if j < n:
			costs[j] = min(costs[j], costs[i]+abs(h[i]-h[j]))
print(costs[-1])
Buggy code:
N = int(input())
hs = list(map(int, input().split()))

costs_1 = 0
costs_2 = abs(hs[1] - hs[0])
for i in range(2, N):
  costs1, costs2 = min(costs1 + abs(h[i] - h[i - 2]), costs2 + abs(h[i] - h[i - 2])), costs1
  
print(costs2)

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

costs1 = 0
costs2 = abs(hs[1] - hs[0])
for i in range(2, N):
  costs1, costs2 = costs2, min(costs1 + abs(hs[i] - hs[i - 2]), costs2 + abs(hs[i] - hs[i - 1])),
  
print(costs2)
Buggy code:
n = int(input())
h = list(map(int,input().split()))

dp = [0,abs(h[1]-h[0])]

for i in range(2,n):
    dp.append(min(dp[i-1] + abs(h[i]-h[i-1]),dp[i-2] + abs(h[i]-h[i-2])))
    
print(dp)

Fixed code:
n = int(input())
h = list(map(int,input().split()))
dp = [0,abs(h[1]-h[0])]
for i in range(2,n):
    dp.append(min(dp[i-2]+abs(h[i]-h[i-2]),dp[i-1]+abs(h[i]-h[i-1])))
    
print(dp[n-1])
Buggy code:
n = int(input())
cost_list = [ int(v) for v in input().split() ]
if n == 1:
	ans = 0
elif n == 2:
	ans = abs(cost_list[0]-cost_list[1])
else:
	ans_list =  [0, abs(cost_list[0]-cost_list[1])] + [ 10**9+1 for i in range(n-2) ]
	for i in range(2,n):
		ans_list[i] = min(ans_list[i-2]+abs(cost_list[i-2]-cost_list[i]),ans_list[i-1]+abs(cost_list[i-1]-cost_list[i])) 
	print(ans_list[-1])


Fixed code:
n = int(input())
cost_list = [ int(v) for v in input().split() ]
if n == 1:
	ans = 0
elif n == 2:
	ans = abs(cost_list[0]-cost_list[1])
else:
	ans_list =  [0, abs(cost_list[0]-cost_list[1])] + [ 10**9+1 for i in range(n-2) ]
	for i in range(2,n):
		ans_list[i] = min(ans_list[i-2]+abs(cost_list[i-2]-cost_list[i]),ans_list[i-1]+abs(cost_list[i-1]-cost_list[i])) 
	ans = ans_list[-1]

print(ans)
Buggy code:
n = int(input())
dp = [0]*(n+1)
a = list(map(int, input().split()))
  
dp[1] = abs(a[1]-a[0])
for i in range(2,n+1):
  dp[i] =  min(dp[i-2]+abs(a[i]-a[i-2]), dp[i-1]+abs(a[i]-a[i-1]))
print(dp[n])
           

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

dp = [10**9+1]*n
dp[0] = 0
dp[1] = dp[0] + abs(a[1]-a[0])

for i in range(2, n):
    dp[i] = min([dp[i-1]+abs(a[i]-a[i-1]), dp[i-2]+abs(a[i]-a[i-2])])

print(dp[n-1])
Buggy code:
n=int(input())
h=list(map(int,input().split()))

dp=[0]*n

for i in range(n):
    if i==0:
        dp[0]=0
    if i==1:
        dp[1]=abs(h[1]-h[0])
    else:
        A=dp[i-2]+abs(h[i]-h[i-2])
        B=dp[i-1]+abs(h[i]-h[i-1])
        dp[i]=min(A,B)

print(dp[-1])

Fixed code:
# A
n = int(input()) 
h = list(map(int, input().split()))
dp = [0]*(n+1)

for i in range(2, n+1):
    h_index = i-1
    if i == 2:
        dp[i] = abs(h[h_index-1] - h[h_index])
    else:
        dp[i] = min(dp[i-1] + abs(h[h_index-1] - h[h_index]), dp[i-2] + abs(h[h_index-2] - h[h_index]))
print(dp[-1])
Buggy code:
N = int(input())
H = list(map(int,input().split(' ')))
DP = [0]*N
DP[0] = H[0]
DP[1] = abs(H[1] - H[0])

for i in range(2,N):
  DP[i] = min(DP[i-2] + abs(H[i] - H[i-2]),DP[i-1] + abs(H[i] - H[i-1]))
print(DP[-1])
        



Fixed code:
N = int(input())
H = list(map(int,input().split(' ')))
DP = [0]*N
DP[0] = 0
DP[1] = abs(H[1]-H[0])
for i in range(2,N):
  DP[i] = min(DP[i-2]+abs(H[i]-H[i-2]),DP[i-1]+abs(H[i]-H[i-1]))
print(DP[N-1])
Buggy code:
N = int(input())
H = list(map(int,input().split(' ')))
dp = [float('inf')]*N
dp[0] = 0
dp[1] = abs(H[1] - H[0])

for i in range(2,N):
  dp[i] = min(dp[i-2] + abs(H[i]-H[i-2]),dp[i-1] + abs(H[i]-H[i-1]))
  print(dp[i])
print(dp[-1])


Fixed code:
N = int(input())
H = list(map(int,input().split(' ')))
dp = [float('inf')]*N
dp[0] = 0
dp[1] = abs(H[1] - H[0])

for i in range(2,N):
  dp[i] = min(dp[i-2] + abs(H[i]-H[i-2]),dp[i-1] + abs(H[i]-H[i-1]))

print(dp[-1])
Buggy code:
a = int(input())
x = list(map(int, input().split()))
dp = [0]+[10**10]*(a-1)
dp[1] = abs(x[1]-x[0])
for i,h in enumerate(x):
    if i>1:
        dp[i] = min(dp[i-1]+abs(h-x[i-1]),dp[i-2]+abs(h-x[i-2]))
print(dp[a-1])
print(dp)

Fixed code:
a = int(input())
x = list(map(int, input().split()))
dp = [0]+[10**10]*(a-1)
dp[1] = abs(x[1]-x[0])
for i,h in enumerate(x):
    if i>1:
        dp[i] = min(dp[i-1]+abs(h-x[i-1]),dp[i-2]+abs(h-x[i-2]))
print(dp[a-1])
Buggy code:
n = int(input())
h = list(map(int, input().split()))

dp = [0]*(n+1)
for i in range(n):
  dp[i+1] = min(dp[i] + abs(h[i]-h[i-1]), dp[i-1] + abs(h[i]-h[i-2]))
  
print(dp[-1])

Fixed code:
n = int(input())
dp = [0]+ [float("INF")]*(n)

h = list(map(int, input().split()))
for i in range(n):
    dp[i] = min(dp[i],dp[i-2]+abs(h[i]-h[i-2]),dp[i-1]+abs(h[i]-h[i-1]))
print(dp[n-1])
Buggy code:
import math
import os
import random
import re
import sys
def dpfindpath(a):
	dpath=[int(0) for _ in range(len(a))]
	print(len(dpath))
	dpath[0]=0
	dpath[1]=abs(a[1]-a[0])
	for i in range(2,len(a)):
		dpath[i]=min(abs(a[i]-a[i-1])+dpath[i-1],abs(a[i]-a[i-2])+dpath[i-2])
	return dpath[len(a)-1]
n=int(input())
a=input().split()
for i in range(n):
  a[i]=int(a[i])
print (dpfindpath(a))

Fixed code:
import math
import os
import random
import re
import sys
def dpfindpath(a):
	dpath=[int(0) for _ in range(len(a))]
	dpath[0]=0
	dpath[1]=abs(a[1]-a[0])
	for i in range(2,len(a)):
		dpath[i]=min(abs(a[i]-a[i-1])+dpath[i-1],abs(a[i]-a[i-2])+dpath[i-2])
	return dpath[len(a)-1]
n=int(input())
a=input().split()
for i in range(n):
  a[i]=int(a[i])
print (dpfindpath(a))