Submission #2714911


Source Code Expand

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

int main() {
    int N;
    cin >> N;
    vector<int> a(N);
    for (int i = 0; i < N; i++)
    {
        cin >> a[i];
    }
    int index = 1, num = 0;
    while(1)
    {
        index = a[index - 1];
        if(index == 2)
        {
            cout << num + 1;
            return 0;
        }
        if(num > 100000)
        {
            cout << -1;
            return 0;
        }
        num++;
    }
}

Submission Info

Submission Time
Task B - Trained?
User Akari_Mizunashi
Language C++14 (GCC 5.4.1)
Score 200
Code Size 485 Byte
Status AC
Exec Time 30 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 25
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 640 KB
02.txt AC 29 ms 640 KB
03.txt AC 29 ms 640 KB
04.txt AC 29 ms 640 KB
05.txt AC 29 ms 640 KB
06.txt AC 29 ms 640 KB
07.txt AC 29 ms 640 KB
08.txt AC 29 ms 640 KB
09.txt AC 30 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 29 ms 640 KB
15.txt AC 29 ms 640 KB
16.txt AC 29 ms 640 KB
17.txt AC 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 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