Submission #1590583


Source Code Expand

//http://code-festival-2016-quala.contest.atcoder.jp/tasks/codefestival_2016_qualA_b

#include <bits/stdc++.h>
using namespace std;
//long long MOD = 1000000007;


int main(void){
    // Here your code !
    int n,ans=0;
    cin>>n;
    
    int a[4];
    for(int i=0;i<n; i++){
        cin>>a[i];
        a[i]--;
    }
    for(int i=0;i<n;i++){
        if(a[i]>i){
            if(a[a[i]]==i){
                ans++;
            }
        }
    }
    cout <<ans<<endl;
}

Submission Info

Submission Time
Task B - Friendly Rabbits
User appllluna
Language C++14 (GCC 5.4.1)
Score 0
Code Size 497 Byte
Status RE
Exec Time 99 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 200
Status
AC × 3
AC × 4
RE × 11
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt
Case Name Status Exec Time Memory
0_00.txt AC 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt RE 97 ms 256 KB
1_02.txt RE 99 ms 256 KB
1_03.txt RE 96 ms 256 KB
1_04.txt RE 96 ms 256 KB
1_05.txt RE 96 ms 256 KB
1_06.txt RE 99 ms 256 KB
1_07.txt RE 96 ms 256 KB
1_08.txt RE 96 ms 256 KB
1_09.txt RE 99 ms 256 KB
1_10.txt RE 97 ms 256 KB
1_11.txt RE 97 ms 256 KB