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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#344950#8056. Travel 2xuqinAC ✓116ms4560kbC++141.3kb2024-03-05 19:58:232024-04-09 18:27:01

Judging History

你现在查看的是最新测评结果

  • [2024-04-09 18:27:01]
  • 管理员手动重测该提交记录
  • 测评结果:AC
  • 用时:116ms
  • 内存:4560kb
  • [2024-03-05 19:58:23]
  • 评测
  • 测评结果:100
  • 用时:97ms
  • 内存:4440kb
  • [2024-03-05 19:58:23]
  • 提交

answer

#include<cstdio>
#include<cstring>
#include<algorithm>
#include<cstdlib>
#include<ctime>
#include<vector> 

using namespace std;
const int maxn=2500+10;
typedef long long LL;
const LL INF=1e18;

inline int read() {
	int x=0, f=1; char c=getchar();
	for(; c<'0'||c>'9'; c=getchar()) if(c=='-') f=0;
	for(; c>='0'&&c<='9'; c=getchar()) x=x*10+c-'0';
	return f?x:-x; 
}

vector<int> G[maxn];
int d[maxn], n, v[maxn];

inline int mov(int t) {
	printf("> %d\n", t);
	fflush(stdout);
	int x=read(); d[x]=read();
	n=max(n, x);
	return x;
}
void dfs(int x) {
	int t=G[x].size();
	if(t<d[x]) {
		int y=mov(t+1);
		G[x].push_back(y);
		dfs(y);
	} else {
		v[x]=1;
		for(int i=0; i<t; ++i) {
			int y=G[x][i];
			if(v[y]) continue;
			mov(i+1);
			dfs(y);
			for(int j=0, tt=G[y].size(); j<tt; ++j)
				if(G[y][j]==x) {
					mov(j+1);
					break;
				}
		}
	}
}
inline void sol() {
	n=0;
	int x=read(); d[x]=read(); n=max(n, x); 
	dfs(x);
	printf("! ");
	for(int i=1; i<=n; ++i) {
		for(int j=0, t=G[i].size(); j<t; ++j) if(i<G[i][j]) printf("%d %d ", i, G[i][j]);
	}
	puts("");
	fflush(stdout); char s[10]; scanf("%s", s);
	for(int i=1; i<=n; ++i) G[i].clear(), v[i]=0; 
}

int main() {
	int T=read();
	while(T--) sol(); 
	return 0; 
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3948kb

input:

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

output:

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

result:

ok correct! (2 test cases)

Test #2:

score: 0
Accepted
time: 116ms
memory: 3952kb

input:

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

output:

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

result:

ok correct! (1000 test cases)

Test #3:

score: 0
Accepted
time: 77ms
memory: 3824kb

input:

500
1 19
2 8
1 19
3 7
1 19
4 8
1 19
5 7
1 19
6 7
1 19
7 11
1 19
8 4
1 19
9 7
1 19
10 9
1 19
11 8
1 19
12 7
1 19
13 4
1 19
14 9
1 19
15 8
1 19
16 7
1 19
17 10
1 19
18 7
1 19
19 7
1 19
20 6
1 19
2 8
17 10
2 8
3 7
20 6
3 7
11 8
3 7
4 8
3 7
2 8
14 9
19 7
14 9
17 10
6 7
5 7
7 11
5 7
6 7
17 10
14 9
6 7
11...

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 1
> 2
> 2
> 3
> 2
> 2
> 3
> 2
> 4
> 2
> 5
> 4
> 2
> 2
> 3
> 3
> 2
> 2
> 2
> 3
> 3
> 4
> 4
> 4
> 3
> 2
> 4
> 2
> 2
> 3
> 5
> 3
> 2
> 4
> ...

result:

ok correct! (500 test cases)

Test #4:

score: 0
Accepted
time: 79ms
memory: 3884kb

input:

100
1 99
2 5
1 99
3 5
1 99
4 10
1 99
5 3
1 99
6 9
1 99
7 6
1 99
8 8
1 99
9 9
1 99
10 5
1 99
11 4
1 99
12 7
1 99
13 6
1 99
14 8
1 99
15 7
1 99
16 7
1 99
17 7
1 99
18 6
1 99
19 10
1 99
20 4
1 99
21 4
1 99
22 5
1 99
23 6
1 99
24 10
1 99
25 4
1 99
26 10
1 99
27 7
1 99
28 6
1 99
29 11
1 99
30 5
1 99
31 7...

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (100 test cases)

Test #5:

score: 0
Accepted
time: 68ms
memory: 4220kb

input:

10
1 999
2 8
1 999
3 9
1 999
4 8
1 999
5 7
1 999
6 7
1 999
7 4
1 999
8 4
1 999
9 13
1 999
10 11
1 999
11 7
1 999
12 7
1 999
13 5
1 999
14 5
1 999
15 8
1 999
16 9
1 999
17 5
1 999
18 5
1 999
19 8
1 999
20 4
1 999
21 8
1 999
22 8
1 999
23 6
1 999
24 8
1 999
25 2
1 999
26 9
1 999
27 5
1 999
28 6
1 999
...

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (10 test cases)

Test #6:

score: 0
Accepted
time: 107ms
memory: 4188kb

input:

4
1 999
2 24
1 999
3 20
1 999
4 17
1 999
5 29
1 999
6 21
1 999
7 21
1 999
8 19
1 999
9 21
1 999
10 14
1 999
11 12
1 999
12 17
1 999
13 23
1 999
14 23
1 999
15 16
1 999
16 14
1 999
17 16
1 999
18 15
1 999
19 16
1 999
20 19
1 999
21 16
1 999
22 16
1 999
23 25
1 999
24 23
1 999
25 22
1 999
26 16
1 999
...

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (4 test cases)

Test #7:

score: 0
Accepted
time: 83ms
memory: 4008kb

input:

4
1 199
2 106
1 199
3 95
1 199
4 102
1 199
5 103
1 199
6 103
1 199
7 110
1 199
8 109
1 199
9 104
1 199
10 98
1 199
11 85
1 199
12 94
1 199
13 86
1 199
14 105
1 199
15 102
1 199
16 96
1 199
17 97
1 199
18 94
1 199
19 112
1 199
20 108
1 199
21 116
1 199
22 109
1 199
23 104
1 199
24 96
1 199
25 92
1 19...

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (4 test cases)

Test #8:

score: 0
Accepted
time: 24ms
memory: 4560kb

input:

4
1 140
2 140
1 140
3 140
1 140
4 140
1 140
5 140
1 140
6 140
1 140
7 140
1 140
8 140
1 140
9 140
1 140
10 140
1 140
11 140
1 140
12 140
1 140
13 140
1 140
14 140
1 140
15 140
1 140
16 140
1 140
17 140
1 140
18 140
1 140
19 140
1 140
20 140
1 140
21 140
1 140
22 140
1 140
23 140
1 140
24 140
1 140
2...

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (4 test cases)

Test #9:

score: 0
Accepted
time: 26ms
memory: 4264kb

input:

4
1 2498
2 2
1 2498
3 2
1 2498
4 2
1 2498
5 2
1 2498
6 2
1 2498
7 2
1 2498
8 2
1 2498
9 2
1 2498
10 2
1 2498
11 2
1 2498
12 2
1 2498
13 2
1 2498
14 2
1 2498
15 2
1 2498
16 2
1 2498
17 2
1 2498
18 2
1 2498
19 2
1 2498
20 2
1 2498
21 2
1 2498
22 2
1 2498
23 2
1 2498
24 2
1 2498
25 2
1 2498
26 2
1 2498...

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (4 test cases)

Extra Test:

score: 0
Extra Test Passed