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
#815720#8056. Travel 22018haha#AC ✓320ms5164kbC++171.7kb2024-12-15 16:42:592024-12-15 16:43:04

Judging History

你现在查看的是最新测评结果

  • [2024-12-15 16:43:04]
  • 评测
  • 测评结果:AC
  • 用时:320ms
  • 内存:5164kb
  • [2024-12-15 16:42:59]
  • 提交

answer

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

using ll=long long;


void Solve()
{
    vector<vector<int>> G(2510);
    vector<int> du(2510);
    map<pair<int,int>,int> edge;
    vector<int> vis(2510);
    vector<int> fa(2510);
    int cishu=0;
    auto Walk=[&](int id)->pair<int,int>
    {
        cishu++;
        cout<<"> "<<id+1<<endl;
        int v,d;
        cin>>v>>d;
        return {v,d};
    };
    int xx,dd;
    cin>>xx>>dd;
    fa[xx]=-1;
    int u=xx,d=dd;
    while(1)
    {
        vis[u]=1;du[u]=d;
        cerr<<"At "<<u<<":"<<G[u].size()<<" "<<fa[u]<<"\n";
        if(int(G[u].size())!=du[u])
        {
            auto [v,nd]=Walk(G[u].size());
            edge[{u,v}]=G[u].size();
            G[u].push_back(v);
            if(v==fa[u])
            {
                auto [v,nd]=Walk(edge[{fa[u],u}]);
                assert(v==u);
                continue;
            }
            if(!fa[v]) fa[v]=u;
            u=v;d=nd;
        }
        else
        {
            if(u==xx) break;
            auto [v,nd]=Walk(edge[{u,fa[u]}]);
            assert(v==fa[u]);
            u=v;d=nd;
        }
    };
    
    // Dfs(xx,dd);
    cout<<"! ";
    for(int i=1;i<=2500;i++)
        if(vis[i])
        {
            for(auto v:G[i])
                if(i<v) cout<<i<<" "<<v<<" ";
        }
    cout<<endl;
    // cerr<<"cishu: "<<cishu<<"\n";
    string verdict;
    cin>>verdict;
    if(verdict!="Correct") exit(0);
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t=1;
    cin>>t;
    while(t--) Solve();
    return 0;
}
/*
1
1 1
2 3
3 2
2 3
3 2
4 2
2 3
1 1
2 3
4 2
3 2
4 2
3 2
4 2
*/

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3900kb

input:

2
1 1
2 1
1 1
2 1
1 1
Correct
1 3
2 2
1 3
2 2
4 2
1 3
3 1
1 3
3 1
1 3
4 2
2 2
4 2
2 2
1 3
Correct

output:

> 1
> 1
> 1
> 1
! 1 2 
> 1
> 1
> 1
> 2
> 1
> 2
> 1
> 2
> 1
> 3
> 2
> 2
> 2
> 1
! 1 2 1 3 1 4 2 4 

result:

ok correct! (2 test cases)

Test #2:

score: 0
Accepted
time: 272ms
memory: 3904kb

input:

1000
1 9
2 7
1 9
2 7
3 9
1 9
3 9
4 9
1 9
4 9
3 9
4 9
7 7
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
4 9
7 7
8 8
5 8
8 8
10 6
2 7
10 6
8 8
9 8
1 9
8 8
7 7
5 8
9 8
3 9
9 8
5 8
2 7
6 9
10 6
4 9
10 6
6 9
5 8
3 9
2 7
3 9
5 8
6 9
8 8
3 9
10 6
3 9
8 8
6 9
3 9
7 7
3 9
6 9
9 8
2 7
5 8
7 7
9 8
8 8
9...

output:

> 1
> 1
> 1
> 2
> 1
> 2
> 2
> 1
> 3
> 2
> 2
> 3
> 1
> 4
> 1
> 4
> 2
> 1
> 5
> 1
> 5
> 2
> 3
> 1
> 6
> 2
> 3
> 3
> 2
> 2
> 3
> 2
> 3
> 3
> 4
> 1
> 7
> 5
> 4
> 3
> 2
> 3
> 3
> 4
> 4
> 3
> 4
> 4
> 5
> 4
> 5
> 4
> 2
> 5
> 6
> 5
> 6
> 6
> 6
> 7
> 7
> 6
> 8
> 5
> 9
> 7
> 4
> 5
> 7
> 6
> 5
> 4
> 6
> 7
> 8
...

result:

ok correct! (1000 test cases)

Test #3:

score: 0
Accepted
time: 320ms
memory: 3580kb

input:

500
1 19
2 8
1 19
2 8
17 10
1 19
3 7
1 19
3 7
20 6
1 19
4 8
1 19
4 8
3 7
11 8
1 19
5 7
1 19
5 7
7 11
1 19
6 7
1 19
6 7
5 7
6 7
17 10
2 8
17 10
6 7
11 8
3 7
11 8
8 4
1 19
7 11
5 7
7 11
16 7
1 19
8 4
11 8
8 4
15 8
1 19
9 7
1 19
9 7
4 8
12 7
1 19
10 9
1 19
10 9
5 7
10 9
17 10
14 9
1 19
11 8
16 7
13 4
1...

output:

> 1
> 1
> 1
> 2
> 1
> 2
> 1
> 2
> 2
> 1
> 3
> 1
> 3
> 2
> 3
> 1
> 4
> 1
> 4
> 2
> 1
> 5
> 1
> 5
> 2
> 3
> 3
> 2
> 2
> 3
> 4
> 2
> 3
> 3
> 1
> 6
> 2
> 2
> 3
> 1
> 7
> 2
> 3
> 3
> 1
> 8
> 1
> 8
> 2
> 3
> 1
> 9
> 1
> 9
> 2
> 4
> 3
> 4
> 1
> 10
> 4
> 2
> 1
> 11
> 2
> 3
> 3
> 3
> 5
> 4
> 4
> 5
> 6
> 5
> ...

result:

ok correct! (500 test cases)

Test #4:

score: 0
Accepted
time: 277ms
memory: 3700kb

input:

100
1 99
2 5
1 99
2 5
12 7
1 99
3 5
1 99
3 5
76 9
1 99
4 10
1 99
4 10
74 6
1 99
5 3
1 99
5 3
99 7
1 99
6 9
1 99
6 9
20 4
1 99
7 6
1 99
7 6
67 10
1 99
8 8
1 99
8 8
70 9
1 99
9 9
1 99
9 9
93 10
1 99
10 5
1 99
10 5
47 4
1 99
11 4
1 99
11 4
95 12
1 99
12 7
2 5
12 7
41 7
1 99
13 6
1 99
13 6
86 6
1 99
14 ...

output:

> 1
> 1
> 1
> 2
> 1
> 2
> 1
> 2
> 2
> 1
> 3
> 1
> 3
> 2
> 1
> 4
> 1
> 4
> 2
> 1
> 5
> 1
> 5
> 2
> 1
> 6
> 1
> 6
> 2
> 1
> 7
> 1
> 7
> 2
> 1
> 8
> 1
> 8
> 2
> 1
> 9
> 1
> 9
> 2
> 1
> 10
> 1
> 10
> 2
> 1
> 11
> 2
> 2
> 3
> 1
> 12
> 1
> 12
> 2
> 1
> 13
> 1
> 13
> 2
> 1
> 14
> 1
> 14
> 2
> 1
> 15
> 1
> ...

result:

ok correct! (100 test cases)

Test #5:

score: 0
Accepted
time: 224ms
memory: 4300kb

input:

10
1 999
2 8
1 999
2 8
717 8
1 999
3 9
1 999
3 9
311 9
1 999
4 8
1 999
4 8
876 8
1 999
5 7
1 999
5 7
866 6
1 999
6 7
1 999
6 7
687 9
1 999
7 4
1 999
7 4
587 8
1 999
8 4
1 999
8 4
98 7
1 999
9 13
1 999
9 13
935 11
1 999
10 11
1 999
10 11
232 7
1 999
11 7
1 999
11 7
84 8
1 999
12 7
1 999
12 7
595 7
1 ...

output:

> 1
> 1
> 1
> 2
> 1
> 2
> 1
> 2
> 2
> 1
> 3
> 1
> 3
> 2
> 1
> 4
> 1
> 4
> 2
> 1
> 5
> 1
> 5
> 2
> 1
> 6
> 1
> 6
> 2
> 1
> 7
> 1
> 7
> 2
> 1
> 8
> 1
> 8
> 2
> 1
> 9
> 1
> 9
> 2
> 1
> 10
> 1
> 10
> 2
> 1
> 11
> 1
> 11
> 2
> 1
> 12
> 1
> 12
> 2
> 1
> 13
> 1
> 13
> 2
> 1
> 14
> 1
> 14
> 2
> 1
> 15
> 1
>...

result:

ok correct! (10 test cases)

Test #6:

score: 0
Accepted
time: 234ms
memory: 5164kb

input:

4
1 999
2 24
1 999
2 24
293 19
1 999
3 20
1 999
3 20
804 22
1 999
4 17
1 999
4 17
992 26
1 999
5 29
1 999
5 29
134 20
1 999
6 21
1 999
6 21
883 18
1 999
7 21
1 999
7 21
10 14
1 999
8 19
1 999
8 19
214 18
1 999
9 21
1 999
9 21
420 29
1 999
10 14
816 16
1 999
11 12
1 999
11 12
814 13
1 999
12 17
1 999...

output:

> 1
> 1
> 1
> 2
> 1
> 2
> 1
> 2
> 2
> 1
> 3
> 1
> 3
> 2
> 1
> 4
> 1
> 4
> 2
> 1
> 5
> 1
> 5
> 2
> 1
> 6
> 1
> 6
> 2
> 1
> 7
> 1
> 7
> 2
> 1
> 8
> 1
> 8
> 2
> 1
> 9
> 2
> 1
> 10
> 1
> 10
> 2
> 1
> 11
> 1
> 11
> 2
> 1
> 12
> 1
> 12
> 2
> 1
> 13
> 1
> 13
> 2
> 1
> 14
> 1
> 14
> 2
> 1
> 15
> 1
> 15
> 2
...

result:

ok correct! (4 test cases)

Test #7:

score: 0
Accepted
time: 194ms
memory: 4932kb

input:

4
1 199
2 106
1 199
2 106
114 107
1 199
3 95
1 199
3 95
74 101
1 199
4 102
1 199
4 102
56 101
1 199
5 103
1 199
5 103
117 106
1 199
6 103
1 199
6 103
4 102
44 100
1 199
7 110
1 199
7 110
178 97
1 199
8 109
1 199
8 109
2 106
8 109
20 108
1 199
9 104
1 199
9 104
85 92
1 199
10 98
1 199
10 98
128 99
1 ...

output:

> 1
> 1
> 1
> 2
> 1
> 2
> 1
> 2
> 2
> 1
> 3
> 1
> 3
> 2
> 1
> 4
> 1
> 4
> 2
> 1
> 5
> 1
> 5
> 2
> 3
> 1
> 6
> 1
> 6
> 2
> 1
> 7
> 1
> 7
> 2
> 3
> 3
> 1
> 8
> 1
> 8
> 2
> 1
> 9
> 1
> 9
> 2
> 1
> 10
> 1
> 10
> 2
> 1
> 11
> 1
> 11
> 2
> 1
> 12
> 1
> 12
> 2
> 1
> 13
> 1
> 13
> 2
> 1
> 14
> 1
> 14
> 2
> ...

result:

ok correct! (4 test cases)

Test #8:

score: 0
Accepted
time: 106ms
memory: 5080kb

input:

4
1 140
2 140
1 140
2 140
3 140
1 140
3 140
2 140
3 140
4 140
1 140
4 140
2 140
4 140
3 140
4 140
5 140
1 140
5 140
2 140
5 140
3 140
5 140
4 140
5 140
6 140
1 140
6 140
2 140
6 140
3 140
6 140
4 140
6 140
5 140
6 140
7 140
1 140
7 140
2 140
7 140
3 140
7 140
4 140
7 140
5 140
7 140
6 140
7 140
8 14...

output:

> 1
> 1
> 1
> 2
> 1
> 2
> 2
> 2
> 3
> 1
> 3
> 2
> 3
> 3
> 3
> 4
> 1
> 4
> 2
> 4
> 3
> 4
> 4
> 4
> 5
> 1
> 5
> 2
> 5
> 3
> 5
> 4
> 5
> 5
> 5
> 6
> 1
> 6
> 2
> 6
> 3
> 6
> 4
> 6
> 5
> 6
> 6
> 6
> 7
> 1
> 7
> 2
> 7
> 3
> 7
> 4
> 7
> 5
> 7
> 6
> 7
> 7
> 7
> 8
> 1
> 8
> 2
> 8
> 3
> 8
> 4
> 8
> 5
> 8
> 6
...

result:

ok correct! (4 test cases)

Test #9:

score: 0
Accepted
time: 113ms
memory: 4140kb

input:

4
1 2498
2 2
1 2498
2 2
2500 2498
2 2
2500 2498
3 2
1 2498
3 2
2500 2498
3 2
2500 2498
4 2
1 2498
4 2
2500 2498
4 2
2500 2498
5 2
1 2498
5 2
2500 2498
5 2
2500 2498
6 2
1 2498
6 2
2500 2498
6 2
2500 2498
7 2
1 2498
7 2
2500 2498
7 2
2500 2498
8 2
1 2498
8 2
2500 2498
8 2
2500 2498
9 2
1 2498
9 2
250...

output:

> 1
> 1
> 1
> 2
> 1
> 2
> 2
> 1
> 2
> 2
> 2
> 2
> 3
> 1
> 3
> 2
> 3
> 2
> 4
> 1
> 4
> 2
> 4
> 2
> 5
> 1
> 5
> 2
> 5
> 2
> 6
> 1
> 6
> 2
> 6
> 2
> 7
> 1
> 7
> 2
> 7
> 2
> 8
> 1
> 8
> 2
> 8
> 2
> 9
> 1
> 9
> 2
> 9
> 2
> 10
> 1
> 10
> 2
> 10
> 2
> 11
> 1
> 11
> 2
> 11
> 2
> 12
> 1
> 12
> 2
> 12
> 2
> 1...

result:

ok correct! (4 test cases)

Extra Test:

score: 0
Extra Test Passed