Submission #1164583


Source Code Expand

N,a=map(int,input().split())
a -= 1
k=int(input())
b=list(map(lambda s:int(s)-1,input().split()))
c=[-1]*len(b)

t = 0
while True:
  if c[a] != -1:
    cycleLen = t - c[a]
    k = k % cycleLen
  if k == 0:
    print(a+1)
    break
  c[a] = t
  a = b[a]
  t += 1
  k -= 1

Submission Info

Submission Time
Task D - へんてこ辞書
User hs484
Language Python (3.4.3)
Score 100
Code Size 289 Byte
Status AC
Exec Time 125 ms
Memory 13096 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 50 / 50 50 / 50
Status
AC × 2
AC × 12
AC × 25
Set Name Test Cases
Sample subtask0_sample_01.txt, subtask0_sample_03.txt
Subtask1 subtask0_0.txt, subtask0_1.txt, subtask0_2.txt, subtask0_3.txt, subtask0_4.txt, subtask0_5.txt, subtask0_6.txt, subtask0_7.txt, subtask0_8.txt, subtask0_9.txt, subtask0_sample_01.txt, subtask0_sample_03.txt
All subtask0_0.txt, subtask0_1.txt, subtask0_2.txt, subtask0_3.txt, subtask0_4.txt, subtask0_5.txt, subtask0_6.txt, subtask0_7.txt, subtask0_8.txt, subtask0_9.txt, subtask0_sample_01.txt, subtask0_sample_03.txt, subtask1_0.txt, subtask1_1.txt, subtask1_10.txt, subtask1_11.txt, subtask1_2.txt, subtask1_3.txt, subtask1_4.txt, subtask1_5.txt, subtask1_6.txt, subtask1_7.txt, subtask1_8.txt, subtask1_9.txt, subtask1_sample_02.txt
Case Name Status Exec Time Memory
subtask0_0.txt AC 51 ms 12424 KB
subtask0_1.txt AC 45 ms 10776 KB
subtask0_2.txt AC 50 ms 12316 KB
subtask0_3.txt AC 40 ms 9580 KB
subtask0_4.txt AC 52 ms 12868 KB
subtask0_5.txt AC 44 ms 10160 KB
subtask0_6.txt AC 40 ms 9576 KB
subtask0_7.txt AC 48 ms 11652 KB
subtask0_8.txt AC 43 ms 9564 KB
subtask0_9.txt AC 50 ms 12308 KB
subtask0_sample_01.txt AC 18 ms 3060 KB
subtask0_sample_03.txt AC 17 ms 3064 KB
subtask1_0.txt AC 86 ms 9828 KB
subtask1_1.txt AC 108 ms 10716 KB
subtask1_10.txt AC 125 ms 13096 KB
subtask1_11.txt AC 18 ms 3064 KB
subtask1_2.txt AC 68 ms 9552 KB
subtask1_3.txt AC 61 ms 8656 KB
subtask1_4.txt AC 69 ms 9276 KB
subtask1_5.txt AC 87 ms 12364 KB
subtask1_6.txt AC 109 ms 9036 KB
subtask1_7.txt AC 99 ms 8612 KB
subtask1_8.txt AC 76 ms 12864 KB
subtask1_9.txt AC 94 ms 13056 KB
subtask1_sample_02.txt AC 17 ms 3060 KB