Submission #4026056


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main() {
  ll n;
  cin >> n;
  vector<int> a(n);
  for(int i=0;i<n;i++) {
    cin >> a[i];
  }

  int num=a[0],count=1;
  while(1) {
    if(num==1) {
      count=-1;
      break;
    }
    count++;
    num=a[num-1];
    if(num==2) {
      break;
    }
  }
  cout << count << endl;
}

Submission Info

Submission Time
Task B - Trained?
User yapatta
Language C++14 (GCC 5.4.1)
Score 0
Code Size 380 Byte
Status WA
Exec Time 2103 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 200
Status
AC × 3
AC × 19
WA × 3
TLE × 3
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 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, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt TLE 2103 ms 640 KB
02.txt TLE 2103 ms 640 KB
03.txt TLE 2103 ms 640 KB
04.txt AC 29 ms 640 KB
05.txt AC 29 ms 640 KB
06.txt AC 30 ms 640 KB
07.txt AC 29 ms 640 KB
08.txt AC 29 ms 640 KB
09.txt AC 29 ms 640 KB
10.txt AC 30 ms 640 KB
11.txt AC 29 ms 640 KB
12.txt AC 30 ms 640 KB
13.txt AC 29 ms 640 KB
14.txt AC 30 ms 640 KB
15.txt AC 29 ms 640 KB
16.txt AC 29 ms 640 KB
17.txt WA 29 ms 640 KB
18.txt AC 29 ms 640 KB
19.txt AC 1 ms 256 KB
20.txt AC 1 ms 256 KB
21.txt WA 1 ms 256 KB
22.txt WA 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB