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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
#399053#8056. Travel 2XZC0920AC ✓114ms4028kbC++141.3kb2024-04-25 21:13:102024-04-25 21:13:11

Judging History

你现在查看的是最新测评结果

  • [2024-04-25 21:13:11]
  • 评测
  • 测评结果:AC
  • 用时:114ms
  • 内存:4028kb
  • [2024-04-25 21:13:10]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
const int N = 2505, B = 1e4 + 5;
int t, n, m, d[N], fa[N], id[N][2], h[N], u, as[B][2], ct, v;
char s[N];
void read(int &u) {scanf("%d", &u); scanf("%d", &d[u]);}
void out(int i) {assert(i); printf("> %d\n", i); fflush(stdout);}
void add(int u, int v) 
{
    if(u > v) swap(u, v);
    as[++ct][0] = u, as[ct][1] = v;
}
void clr(int u) {fa[u] = h[u] = id[u][0] = id[u][1] = 0;}
void solve() 
{
    ct = 0; read(u); fa[u] = -1;
    while(true) 
    {
        if(h[u] < d[u])
        {
            out(++h[u]); read(v);
            if(!fa[v]) add(u, v), fa[v] = u, id[v][0] = h[u], u = v;  
            else if(v == fa[u]) id[u][1] = h[u], out(id[u][0]), read(v), assert(v == u);
            else 
            {
                if(u < v) add(u, v);
                u = v;
            }
        }
        else 
        {
            if(fa[u] == -1) break;
            out(id[u][1]), read(v); assert(v == fa[u]); u = v;
        }
    }
    printf("! "); 
    for(int i = 1; i <= ct; i++) 
    {
        printf("%d %d ", as[i][0], as[i][1]);
        clr(as[i][0]); clr(as[i][1]);
    }
    printf("\n"); fflush(stdout); scanf("%s", s); assert(s[0] == 'C');
}   
int main()
{
    scanf("%d", &t);
    while(t--) solve();
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3932kb

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 2 4 1 3 1 4 

result:

ok correct! (2 test cases)

Test #2:

score: 0
Accepted
time: 110ms
memory: 3972kb

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: 113ms
memory: 3916kb

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: 78ms
memory: 3852kb

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: 114ms
memory: 3892kb

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: 96ms
memory: 3888kb

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: 62ms
memory: 3880kb

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: 38ms
memory: 4028kb

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: 38ms
memory: 4012kb

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