Buggy python submission (verdict: Runtime Error):
N,K=map(int,input().split())

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

distance_dict=[[x,abs(x)] for x in candls]

for x in range(0,N):
  if candls[x]>=0:
    x-=1
    break

resultlist=[]
minus=x
if K==1:
  print (min(abs(candls[minus]),abs(candls[minus+1])))
  exit()
elif minus==-1:
  print(abs(candls[K-1]))
  exit()
elif minus-K+1>=0:
  resultlist.append(abs(candls[minus-K+1]))
  for i in range(1,2*K):
    try:
      resultlist.append(abs(candls[minus+i])+abs(candls[minus-K+1+i])+min(candls[minus+i],abs(candls[minus-K+1+i])))
    except:
      break
else:
  for i in range(1,minus+2):
    try:
      resultlist.append(abs(candls[K-1+i])+abs(candls[0+i])+min(candls[K-1+i],abs(candls[0+i])))
    except:
      break
try:
  resultlist.append(candls[minus+K])
except:
  pass

print (min(resultlist))

Fixed submission:
N,K=map(int,input().split())

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

distance_dict=[[x,abs(x)] for x in candls]

for x in range(0,N):
  if candls[x]>=0:
    x-=1
    break

resultlist=[]
minus=x
if K==1:
  print (min(abs(candls[minus]),abs(candls[minus+1])))
  exit()
elif minus==-1:
  print(abs(candls[K-1]))
  exit()
elif minus-K+1>=0:
  resultlist.append(abs(candls[minus-K+1]))
  for i in range(1,2*K):
    try:
      resultlist.append(abs(candls[minus+i])+abs(candls[minus-K+1+i])+min(candls[minus+i],abs(candls[minus-K+1+i])))
    except:
      break
else:
  for i in range(0,minus+2):
    try:
      resultlist.append(abs(candls[K-1+i])+abs(candls[0+i])+min(candls[K-1+i],abs(candls[0+i])))
    except:
      break
try:
  resultlist.append(candls[minus+K])
except:
  pass

print (min(resultlist))

Buggy python submission (verdict: Runtime Error):
N,K=map(int,input().split())

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

distance_dict=[[x,abs(x)] for x in candls]

for x in range(0,N):
  if candls[x]>=0:
    x-=1
    break

resultlist=[]
minus=x
if K==1:
  print (min(candls[minus],candls[minus+1]))
  exit()
elif minus==-1:
  print(candls[K-1])
  exit()
elif minus-K+1>=0:
  resultlist.append(abs(candls[minus-K+1]))
  for i in range(1,2*K):
    try:
      resultlist.append(abs(candls[minus+i])+abs(candls[minus-K+1+i])+min(candls[minus+i],abs(candls[minus-K+1+i])))
    except:
      break
else:
  for i in range(1,minus+2):
    try:
      resultlist.append(abs(candls[K-1+i])+abs(candls[0+i])+min(candls[K-1+i],abs(candls[0+i])))
    except:
      break
try:
  resultlist.append(candls[minus+K])
except:
  pass

print (min(resultlist))

Fixed submission:
N,K=map(int,input().split())

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

distance_dict=[[x,abs(x)] for x in candls]

for x in range(0,N):
  if candls[x]>=0:
    x-=1
    break

resultlist=[]
minus=x
if K==1:
  print (min(abs(candls[minus]),abs(candls[minus+1])))
  exit()
elif minus==-1:
  print(abs(candls[K-1]))
  exit()
elif minus-K+1>=0:
  resultlist.append(abs(candls[minus-K+1]))
  for i in range(1,2*K):
    try:
      resultlist.append(abs(candls[minus+i])+abs(candls[minus-K+1+i])+min(candls[minus+i],abs(candls[minus-K+1+i])))
    except:
      break
else:
  for i in range(0,minus+2):
    try:
      resultlist.append(abs(candls[K-1+i])+abs(candls[0+i])+min(candls[K-1+i],abs(candls[0+i])))
    except:
      break
try:
  resultlist.append(candls[minus+K])
except:
  pass

print (min(resultlist))

Buggy python submission (verdict: Runtime Error):
N,K=map(int,input().split())

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

distance_dict=[[x,abs(x)] for x in candls]

for x in range(0,N):
  if candls[x]>=0:
    x-=1
    break

resultlist=[]
minus=x
if K==1:
  print (min(candls[minus],candls[minus+1]))
  exit()
elif minus==-1:
  print(candls[K-1])
  exit()
elif minus-K+1>=0:
  resultlist.append(candls[minus-K+1])
  for i in range(1,2*K):
    try:
      resultlist.append(candls[minus+i]+abs(candls[minus-K+1+i])+min(candls[minus+i],abs(candls[minus-K+1+i])))
    except:
      break
else:
  for i in range(1,minus+2):
    try:
      resultlist.append(candls[K-1+i]+abs(candls[0+i])+min(candls[K-1+i],abs(candls[0+i])))
    except:
      break
try:
  resultlist.append(candls[minus+K])
except:
  pass

print (min(resultlist))

Fixed submission:
N,K=map(int,input().split())

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

distance_dict=[[x,abs(x)] for x in candls]

for x in range(0,N):
  if candls[x]>=0:
    x-=1
    break

resultlist=[]
minus=x
if K==1:
  print (min(abs(candls[minus]),abs(candls[minus+1])))
  exit()
elif minus==-1:
  print(abs(candls[K-1]))
  exit()
elif minus-K+1>=0:
  resultlist.append(abs(candls[minus-K+1]))
  for i in range(1,2*K):
    try:
      resultlist.append(abs(candls[minus+i])+abs(candls[minus-K+1+i])+min(candls[minus+i],abs(candls[minus-K+1+i])))
    except:
      break
else:
  for i in range(0,minus+2):
    try:
      resultlist.append(abs(candls[K-1+i])+abs(candls[0+i])+min(candls[K-1+i],abs(candls[0+i])))
    except:
      break
try:
  resultlist.append(candls[minus+K])
except:
  pass

print (min(resultlist))