Submission #13243769


Source Code Expand

Copy
n,m,k=map(int,input().split())
p=list(map(int,input().split()))
edge=[[]for _ in range(n)]
for i in range(n):
  if p[i]:edge[p[i]-1].append(i)
  else:s=i
def bfs(v,t):
  stack=[s]
  d=[-1]*n
  d[s]=1
  x=[1]
  if t==s:return[[],1]
  ans=-1
  for i in stack:
    for j in edge[i]:
      if j==t:ans=d[i]+1;continue
      if j in v:continue
      stack.append(j)
      d[j]=d[i]+1
      x.append(d[j])
  return [sorted(x),ans]
v=set()
ans=[]
for i in range(m):
  for j in range(n):
    if j in v:continue
    x,a=bfs(v,j)
    if a==-1 or len(x)<m-i-1:continue
    if sum(x[:m-i-1])<=k-a<=sum(x[-(m-i-1):]):
      k-=a
      ans.append(j+1)
      v.add(j)
      break
  if len(v)!=i+1:exit(print(0))
print(*ans)

Submission Info

Submission Time
Task F - Coins on the tree
User tyawanmusi
Language Python3 (3.4.3)
Score 0
Code Size 742 Byte
Status
Exec Time 1184 ms
Memory 3188 KB

Test Cases

Set Name Score / Max Score Test Cases
Sample 0 / 0 s1.txt, s2.txt
All 0 / 400 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, s1.txt, s2.txt
Case Name Status Exec Time Memory
01.txt 21 ms 3064 KB
02.txt 17 ms 3064 KB
03.txt 18 ms 3064 KB
04.txt 20 ms 3064 KB
05.txt 19 ms 3064 KB
06.txt 104 ms 3064 KB
07.txt 61 ms 3064 KB
08.txt 49 ms 3064 KB
09.txt 132 ms 3064 KB
10.txt 824 ms 3064 KB
11.txt 228 ms 3064 KB
12.txt 603 ms 3064 KB
13.txt 947 ms 3064 KB
14.txt 719 ms 3064 KB
15.txt 282 ms 3064 KB
16.txt 861 ms 3064 KB
17.txt 341 ms 3064 KB
18.txt 900 ms 3064 KB
19.txt 512 ms 3188 KB
20.txt 644 ms 3188 KB
21.txt 404 ms 3064 KB
22.txt 823 ms 3188 KB
23.txt 808 ms 3188 KB
24.txt 560 ms 3188 KB
25.txt 758 ms 3188 KB
26.txt 954 ms 3188 KB
27.txt 969 ms 3188 KB
28.txt 830 ms 3188 KB
29.txt 1184 ms 3188 KB
30.txt 793 ms 3188 KB
31.txt 25 ms 3064 KB
32.txt 18 ms 3064 KB
33.txt 20 ms 3064 KB
34.txt 17 ms 3064 KB
35.txt 44 ms 3064 KB
36.txt 45 ms 3064 KB
37.txt 18 ms 3064 KB
38.txt 17 ms 3064 KB
39.txt 19 ms 3064 KB
40.txt 21 ms 3064 KB
s1.txt 17 ms 3064 KB
s2.txt 17 ms 3064 KB