QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#629685#8838. Jesse's Jobucup-team4352#WA 1ms7760kbC++231005b2024-10-11 14:14:082024-10-11 14:14:09

Judging History

你现在查看的是最新测评结果

  • [2024-10-11 14:14:09]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:7760kb
  • [2024-10-11 14:14:08]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int maxn=1e6+5;
int T,n,p[maxn];
bool vis[maxn];
int ans[maxn],cnt;
void clear() {
	cnt=0;
	for(int i=1;i<=n;++i) vis[i]=0;
}
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	cin>>T;
	while(T--) {
		cin>>n;
		for(int i=1;i<=n;++i) cin>>p[i];
		int now=1,flag=0;
		while(cnt<n-1) {
			ans[++cnt]=now;
			vis[now]=1;
			now=p[now];
			if(vis[now]) {
				flag=1;
				break;
			}
		}
		if(flag) {
			cout<<n<<'\n';
			cout<<cnt<<'\n';
			sort(ans+1,ans+1+cnt);
			for(int i=1;i<=cnt;++i) cout<<ans[i]<<' ';
			cout<<'\n';
		}
		else {
			int np=1,Min=abs(1-p[1])+1;
			for(int i=2;i<=n;++i) {
				int x=abs(i-p[i])+1;
				if(x<Min) {
					Min=x;
					np=i;
				}
			}
			cout<<n-Min<<'\n';
			cout<<n-1<<'\n';
			for(int i=1;i<=n;++i) if(i!=np) cout<<i<<' ';
			cout<<'\n';
		}
		clear();
	}
	return 0;
}
/*4 5 6 2 3 1

4 1 2 3 5 6 
1 5 2 3 4 6
1 2 6 3 4 5
1 3 4 2 5 6
1 2 4 5 3 6
*/

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 7760kb

input:

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

output:

0
1
2 
4
2
1 2 
4
5
1 2 4 5 6 

result:

ok Correct (3 test cases)

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 7756kb

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

result:

wrong answer Jury found better answer than participant (test case 143)