Submission #1338802
Source Code Expand
#include <stdio.h> int main(void){ int n,a[110000],ans=0; scanf("%d",&n); for(int i=0;i<n;i++){ scanf("%d",&a[i]); } for(int i=0;i<n;i++){ if(a[a[i]-1]==i+1)ans++; } printf("%d\n",ans/2); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Friendly Rabbits |
User | Hirosesesese23 |
Language | C (GCC 5.4.1) |
Score | 200 |
Code Size | 261 Byte |
Status | AC |
Exec Time | 11 ms |
Memory | 512 KB |
Compile Error
./Main.c: In function ‘main’: ./Main.c:4:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ ./Main.c:6:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
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 | 128 KB |
0_01.txt | AC | 0 ms | 128 KB |
0_02.txt | AC | 1 ms | 128 KB |
1_00.txt | AC | 0 ms | 128 KB |
1_01.txt | AC | 11 ms | 512 KB |
1_02.txt | AC | 11 ms | 512 KB |
1_03.txt | AC | 11 ms | 512 KB |
1_04.txt | AC | 11 ms | 512 KB |
1_05.txt | AC | 11 ms | 512 KB |
1_06.txt | AC | 11 ms | 512 KB |
1_07.txt | AC | 11 ms | 512 KB |
1_08.txt | AC | 4 ms | 256 KB |
1_09.txt | AC | 9 ms | 512 KB |
1_10.txt | AC | 8 ms | 384 KB |
1_11.txt | AC | 2 ms | 256 KB |