CODE FESTIVAL 2016 qual A

Submission #1590592

Source codeソースコード

#include    <iostream>
using namespace std;

int main(void){
    // Here your code !
    int n,ans=0;
    scanf("%d",&n);
    
    int a[4];
    for(int i=0;i<n; i++){
        scanf("%d",&a[i]);
        a[i]--;
    }
    for(int i=0;i<n;i++){
        if(a[i]>i){
            if(a[a[i]]==i){
                ans++;
            }
        }
    }
    printf("%d\n",ans);
}

Submission

Task問題 B - 仲良しうさぎ / Friendly Rabbits
User nameユーザ名 luna
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 RE
Score得点 0
Source lengthソースコード長 390 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
^
./Main.cpp:11:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&a[i]);
^

Test case

Set

Set name Score得点 / Max score Cases
Sample - 0_00.txt,0_01.txt,0_02.txt
All 0 / 200 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
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
1_02.txt RE
1_03.txt RE
1_04.txt RE
1_05.txt RE
1_06.txt RE
1_07.txt RE
1_08.txt RE
1_09.txt RE
1_10.txt RE
1_11.txt RE