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 |
---|---|---|---|---|---|---|---|---|---|
#457758 | #8838. Jesse's Job | PhantomThreshold# | WA | 1ms | 5692kb | C++20 | 1.0kb | 2024-06-29 13:57:00 | 2024-06-29 13:57:03 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int maxn = 1100000;
int n;
int a[maxn],v[maxn];
vector<int>ans;
void mygo(const int x)
{
v[x]=1;
ans.push_back(a[x]);
if(!v[a[x]]) mygo(a[x]);
}
void avemujica(const int x,const int fir)
{
ans.push_back(x);
if(a[x]<fir) return;
avemujica(a[x],fir);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
int Tcase; cin>>Tcase;
while(Tcase--)
{
cin>>n;
for(int i=1;i<=n;i++)
{
cin>>a[i];
v[i]=0;
}
vector<int>_; ans.swap(_);
int res=0;
if(a[1]==1) res=n, ans.push_back(1);
else
{
mygo(1);
if((int)ans.size()==n)
{
res=n-2;
ans.clear();
if(a[1]==2) ans.push_back(1);
else
{
avemujica(1,a[1]);
}
}
else
{
res=n;
}
}
cout<<res<<'\n';
sort(ans.begin(),ans.end());
cout<<ans.size()<<'\n';
for(int i=0;i<(int)ans.size();i++) cout<<ans[i]<<" \n"[i==(int)ans.size()-1];
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 5456kb
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: 5692kb
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 2 1 4 6 2 1 3 6 1 1 6 1 1 6 1 1 4 2 1 5 6 2 1 2 6 5 1 2 ...
result:
wrong answer Participant didn't find permutation (test case 30)