Submission #891671


Source Code Expand

#include<iostream>
#include<string>
#include<math.h>
using namespace std;

int main(){
	int n;
	int a[100000];
	int cnt = 0;
	cin >> n;
	for (int i = 0; i < n; i++){
		cin >> a[i];
	}
	for (int i = 0; i < n; i++){
		if (a[i] < i){
			break;
		}
		if (a[a[i]] == i){
			cnt += 1;
		}
	}
	cout << cnt << endl;
	return 0;
}

Submission Info

Submission Time
Task B - Friendly Rabbits
User kiyunetsubamna
Language C++14 (GCC 5.4.1)
Score 0
Code Size 343 Byte
Status WA
Exec Time 35 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 200
Status
AC × 3
AC × 7
WA × 8
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 3 ms 256 KB
0_01.txt AC 3 ms 256 KB
0_02.txt AC 3 ms 256 KB
1_00.txt WA 3 ms 256 KB
1_01.txt WA 35 ms 640 KB
1_02.txt AC 34 ms 640 KB
1_03.txt WA 34 ms 640 KB
1_04.txt WA 34 ms 640 KB
1_05.txt WA 35 ms 640 KB
1_06.txt WA 35 ms 640 KB
1_07.txt AC 34 ms 640 KB
1_08.txt WA 15 ms 384 KB
1_09.txt AC 29 ms 512 KB
1_10.txt AC 25 ms 512 KB
1_11.txt WA 8 ms 256 KB