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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#558971#8838. Jesse's JoblntanoWA 1ms3560kbC++14763b2024-09-11 19:29:532024-09-11 19:29:57

Judging History

你现在查看的是最新测评结果

  • [2024-09-11 19:29:57]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3560kb
  • [2024-09-11 19:29:53]
  • 提交

answer

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

void solve(){
	int n;
	cin>>n;

	vector<int> p(n+1);
	vector<bool> b(n+1);

	for(int i=1;i<=n;i++){
		cin>>p[i];
	}
 	
 	vector<int> ans;

 	int k=1;
 	while(!b[k]){
 		ans.push_back(k);
 		b[k]=1;
 		k=p[k];
 	}

 	if(ans.size()!=n){
 		cout<<n<<'\n';
 		cout<<ans.size()<<'\n';
 		for(auto x:ans) cout<<x<<" ";
 		cout<<'\n';
 	}else {
 		cout<<n-2<<'\n';
 		cout<<ans.size()/2<<'\n';
 		int cnt=0,m=ans.size()/2;
 		for(auto x:ans){
 			cnt++;
 			cout<<x<<" ";
 			if(cnt==m) break;
 		}
 		cout<<'\n';
 	}

}

int main(){
	ios::sync_with_stdio(false),cin.tie(nullptr),cout.tie(nullptr);

	int t=1;
	cin>>t;
	while(t--) solve();

	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3544kb

input:

3
2
2 1
4
2 1 4 3
6
3 5 4 2 6 1

output:

0
1
1 
4
2
1 2 
4
3
1 3 4 

result:

ok Correct (3 test cases)

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 3560kb

input:

872
6
1 5 2 6 3 4
6
5 2 1 3 4 6
4
2 1 3 4
6
2 3 1 4 5 6
6
4 5 1 6 2 3
6
6 2 3 1 4 5
5
2 1 3 4 5
6
1 2 6 4 3 5
4
2 1 4 3
6
1 6 4 2 5 3
6
6 1 3 5 4 2
6
2 1 4 5 6 3
6
3 4 1 5 6 2
6
4 1 5 3 2 6
6
5 2 1 6 3 4
6
4 1 6 2 5 3
6
5 1 3 6 2 4
6
6 2 5 4 3 1
6
6 2 5 3 1 4
6
5 2 4 1 3 6
6
6 1 3 2 4 5
6
2 3 4 6 5 ...

output:

6
1
1 
6
4
1 5 4 3 
4
2
1 2 
6
3
1 2 3 
6
4
1 4 6 3 
6
4
1 6 5 4 
5
2
1 2 
6
1
1 
4
2
1 2 
6
1
1 
6
3
1 6 2 
6
2
1 2 
6
2
1 3 
6
5
1 4 3 5 2 
6
3
1 5 3 
6
3
1 4 2 
6
3
1 5 2 
6
2
1 6 
6
5
1 6 4 3 5 
6
4
1 5 3 4 
6
5
1 6 5 4 2 
6
5
1 2 3 4 6 
6
5
1 5 3 2 6 
6
2
1 4 
4
3
1 4 2 
6
2
1 3 
6
1
1 
6
1
1 
...

result:

wrong answer Participant didn't find permutation (test case 25)