Submission #3009891
Source Code Expand
#include <bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; vector<int> a; int b; for(int i=0;i<n;++i){cin>>b;a.push_back(b);} b=1; int cnt=1; while(n--){ if(a[b-1]==2){ cout << cnt << endl; return 0; }else{ cnt++; b=a[b-1]; } } cout << -1 << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Trained? |
User | xuelei |
Language | C++14 (GCC 5.4.1) |
Score | 200 |
Code Size | 336 Byte |
Status | AC |
Exec Time | 31 ms |
Memory | 892 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
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 | AC | 29 ms | 892 KB |
02.txt | AC | 29 ms | 892 KB |
03.txt | AC | 31 ms | 892 KB |
04.txt | AC | 29 ms | 892 KB |
05.txt | AC | 30 ms | 892 KB |
06.txt | AC | 29 ms | 892 KB |
07.txt | AC | 29 ms | 892 KB |
08.txt | AC | 29 ms | 892 KB |
09.txt | AC | 30 ms | 892 KB |
10.txt | AC | 30 ms | 892 KB |
11.txt | AC | 29 ms | 892 KB |
12.txt | AC | 29 ms | 892 KB |
13.txt | AC | 29 ms | 892 KB |
14.txt | AC | 30 ms | 892 KB |
15.txt | AC | 29 ms | 892 KB |
16.txt | AC | 29 ms | 892 KB |
17.txt | AC | 29 ms | 892 KB |
18.txt | AC | 29 ms | 892 KB |
19.txt | AC | 1 ms | 256 KB |
20.txt | AC | 1 ms | 256 KB |
21.txt | AC | 1 ms | 256 KB |
22.txt | AC | 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 |