Submission #1336907

#	Time	Username	Problem	Language	Result	Execution time	Memory
1336907		iq500	Post Office (JOI25_ho_t5)	C++20	0 / 100	1 ms	412 KiB

Main

#include<bits/stdc++.h>
#define int long long
#define pb push_back
#define fir first
#define sec second
using namespace std;

signed main(){
    int n; cin>>n;
    int p[n+1];
    for(int i=1; i<=n; i++){
        cin>>p[i];
    }
    int a, b, t=0; cin>>a>>b;
    int loc=a;
    while(loc!=b){
        if(t>n){
            t=-1;
            break;
        }
        t++;
        loc=p[loc];
    }
    cout<<t;
    return 0;
}

• Subtask 1: 0 / 0
• Subtask 2: 0 / 3
• Subtask 3: 0 / 9
• Subtask 4: 0 / 13
• Subtask 5: 0 / 25
• Subtask 6: 0 / 11
• Subtask 7: 0 / 25
• Subtask 8: 0 / 14