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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#797276 | #8056. Travel 2 | wantsth | WA | 5ms | 5788kb | C++23 | 1.4kb | 2024-12-02 20:05:53 | 2024-12-02 20:05:54 |
Judging History
answer
#include<bits/stdc++.h>
#define pii pair<int,int>
#define fi first
#define se second
using namespace std;
int vis[3000]={0};
set<pii>ans;
queue<int>e[3000];
pii query(int i)
{
pii res;
cout<<"> "<<i<<endl;
cin>>res.fi>>res.se;
return res;
}
void dfs(int q,int fa,int c)
{
//cout<<fa<<" "<<q<<" "<<c<<endl;
if(e[q].size()==0)
return;
int nx=e[q].front();
e[q].pop();
pii nxt=query(nx);
if(nxt.fi==fa&&e[q].size()!=0)
{
e[q].push(nx);
//nx=e[q].front();
nxt=query(c);
nx=e[q].front();
e[q].pop();
nxt=query(nx);
}
pii y;
if(nxt.fi<q)
{
y={nxt.fi,q};
}
else
{
y={q,nxt.fi};
}
ans.insert(y);
//cout<<q<<" "<<e[q].size()<<endl;
if(vis[nxt.fi]==0)
{
for(int i=1;i<=nxt.se;i++)
{
e[nxt.fi].push(i);
}
vis[nxt.fi]=1;
}
dfs(nxt.fi,q,nx);
return;
}
void solve()
{
ans.clear();
for(int i=0;i<=2800;i++)
{
vis[i]=0;
while(e[i].size()>0)
{
e[i].pop();
}
// cout<<i<<endl;
}
int qi,shu;
cin>>qi>>shu;
for(int i=1;i<=shu;i++)
{
e[qi].push(i);
}
vis[qi]=1;
dfs(qi,0,0);
cout<<"! ";
for(auto i=ans.begin();i!=ans.end();i++)
{
pii p=*i;
cout<<p.fi<<" "<<p.se<<" ";
}
cout<<endl;
string str;
cin>>str;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int T;
cin>>T;
while(T--)
{
solve();
}
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 5788kb
input:
2 1 1 2 1 1 1 Correct 1 3 2 2 1 3 2 2 4 2 1 3 3 1 1 3 4 2 2 2 1 3 Correct
output:
> 1 > 1 ! 1 2 > 1 > 1 > 1 > 2 > 1 > 2 > 1 > 3 > 2 > 1 ! 1 2 1 3 1 4 2 4
result:
ok correct! (2 test cases)
Test #2:
score: -100
Wrong Answer
time: 5ms
memory: 5616kb
input:
1000 1 9 2 7 1 9 2 7 3 9 1 9 3 9 1 9 4 9 1 9 4 9 3 9 4 9 3 9 9 8 1 9 5 8 1 9 5 8 8 8 1 9 6 9 1 9 6 9 2 7 10 6 1 9 7 7 1 9 7 7 4 9 7 7 4 9 10 6 2 7 6 9 10 6 8 8 5 8 9 8 3 9 2 7 5 8 2 7 5 8 3 9 5 8 3 9 10 6 4 9 8 8 10 6 6 9 5 8 6 9 5 8 7 7 8 8 9 8 5 8 4 9 5 8 4 9 2 7 9 8 2 7 9 8 8 8 7 7 5 8 1 9 8 8 3 ...
output:
> 1 > 1 > 1 > 2 > 1 > 2 > 1 > 3 > 1 > 3 > 2 > 2 > 2 > 3 > 1 > 4 > 1 > 4 > 2 > 1 > 5 > 1 > 5 > 2 > 3 > 1 > 6 > 1 > 6 > 2 > 3 > 2 > 4 > 2 > 4 > 3 > 3 > 2 > 3 > 2 > 4 > 5 > 4 > 5 > 5 > 5 > 5 > 6 > 4 > 5 > 3 > 5 > 4 > 6 > 4 > 7 > 3 > 4 > 3 > 8 > 6 > 8 > 7 > 6 > 4 > 6 > 5 > 5 > 4 > 1 > 7 > 6 > 7 > 6 > 8 ...
result:
wrong answer you used more than 100 queries. (test case 1)