Buggy python submission (verdict: Runtime Error):
import collections
from copy import deepcopy

n,a,b,c=map(int,input().split())
arr=[int(input()) for _ in range(n)]
l=collections.deque()
l.append([[],[],[]])
cnt=0

while 1:
  if cnt==8:
    break
  base=l.popleft()
  if len(base[0])==0 and len(base[1])==0 and len(base[2])==0:
    l.append([[arr[cnt]],[],[]])
    l.append([[],[arr[cnt]],[]])
    l.append([[],[],[arr[cnt]]])
    l.append([[],[],[]])
    cnt+=1
  else:
    tmp1=deepcopy(base)
    tmp1[0].append(arr[cnt])
    l.append(tmp1)
    tmp2=deepcopy(base)
    tmp2[1].append(arr[cnt])
    l.append(tmp2)
    tmp3=deepcopy(base)
    tmp3[2].append(arr[cnt])
    l.append(tmp3)
    tmp4=deepcopy(base)
    l.append(tmp4)

mincost=10**9
for bl in l:
  if len(bl[0])==0 or len(bl[1])==0 or len(bl[2])==0:
    continue
  else:
    tmpcost=abs(sum(bl[0])-a)+abs(sum(bl[1])-b)+abs(sum(bl[2])-c)+10*(len(bl[0])-1+len(bl[1])-1+len(bl[2])-1)
    if mincost>tmpcost:
      mincost=tmpcost
print(mincost)

Fixed submission:
import collections
from copy import deepcopy

n,a,b,c=map(int,input().split())
arr=[int(input()) for _ in range(n)]
l=collections.deque()
l.append([[],[],[]])
cnt=0

while 1:
  if cnt==n:
    break
  base=l.popleft()
  if len(base[0])==0 and len(base[1])==0 and len(base[2])==0:
    l.append([[arr[cnt]],[],[]])
    l.append([[],[arr[cnt]],[]])
    l.append([[],[],[arr[cnt]]])
    l.append([[],[],[]])
    cnt+=1
  else:
    tmp1=deepcopy(base)
    tmp1[0].append(arr[cnt])
    l.append(tmp1)
    tmp2=deepcopy(base)
    tmp2[1].append(arr[cnt])
    l.append(tmp2)
    tmp3=deepcopy(base)
    tmp3[2].append(arr[cnt])
    l.append(tmp3)
    tmp4=deepcopy(base)
    l.append(tmp4)

mincost=10**9
for bl in l:
  if len(bl[0])==0 or len(bl[1])==0 or len(bl[2])==0:
    continue
  else:
    tmpcost=abs(sum(bl[0])-a)+abs(sum(bl[1])-b)+abs(sum(bl[2])-c)+10*(len(bl[0])-1+len(bl[1])-1+len(bl[2])-1)
    if mincost>tmpcost:
      mincost=tmpcost
print(mincost)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10**9)

def search(arr,arr2,cost,flag):
  global mincost
  if cost>mincost:
    return 0
  if flag==0:
    if len(arr2)==0:
      ans.add(cost)
      if mincost>cost:
        mincost=cost
      return 0
    for i in range(len(arr)):
      search(arr[:i]+arr[i+1:],arr2[1:],cost+abs(arr2[0]-arr[i]),0)
  else:
    if len(arr)>=len(arr2)+1:
      for i in range(len(arr)):
        for j in range(i+1,len(arr)):
          search(arr[:i]+arr[i+1:j]+arr[j+1:]+[arr[i]+arr[j]],arr2,cost+10,0)
          search(arr[:i]+arr[i+1:j]+arr[j+1:]+[arr[i]+arr[j]],arr2,cost+10,1)

n,a,b,c=map(int,input().split())
arr=[int(input()) for _ in range(n)]
arr2=[a,b,c]
ans=set()
mincost=10**9

search(arr,arr2,0,0)
search(arr,arr2,0,1)

ans=sorted(list(ans))
print(ans[0])

Fixed submission:
import collections
from copy import deepcopy

n,a,b,c=map(int,input().split())
arr=[int(input()) for _ in range(n)]
l=collections.deque()
l.append([[],[],[]])
cnt=0

while 1:
  if cnt==n:
    break
  base=l.popleft()
  if len(base[0])==0 and len(base[1])==0 and len(base[2])==0:
    l.append([[arr[cnt]],[],[]])
    l.append([[],[arr[cnt]],[]])
    l.append([[],[],[arr[cnt]]])
    l.append([[],[],[]])
    cnt+=1
  else:
    tmp1=deepcopy(base)
    tmp1[0].append(arr[cnt])
    l.append(tmp1)
    tmp2=deepcopy(base)
    tmp2[1].append(arr[cnt])
    l.append(tmp2)
    tmp3=deepcopy(base)
    tmp3[2].append(arr[cnt])
    l.append(tmp3)
    tmp4=deepcopy(base)
    l.append(tmp4)

mincost=10**9
for bl in l:
  if len(bl[0])==0 or len(bl[1])==0 or len(bl[2])==0:
    continue
  else:
    tmpcost=abs(sum(bl[0])-a)+abs(sum(bl[1])-b)+abs(sum(bl[2])-c)+10*(len(bl[0])-1+len(bl[1])-1+len(bl[2])-1)
    if mincost>tmpcost:
      mincost=tmpcost
print(mincost)