QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#691413#6131. TournamentOIer_kzc#AC ✓20ms1636kbC++17642b2024-10-31 11:23:132024-10-31 11:23:27

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 11:23:27]
  • 评测
  • 测评结果:AC
  • 用时:20ms
  • 内存:1636kb
  • [2024-10-31 11:23:13]
  • 提交

answer

#include <stdio.h>
#include <string.h>

#include <vector>
#include <algorithm>

#define eb emplace_back

#define LOG(FMT...) fprintf(stderr, FMT)

using namespace std;

typedef long long LL;
constexpr int N = 1000005;

int n, m;

int main() {
	int task;
	for (scanf("%d", &task); task--; ) {
		scanf("%d%d", &n, &m);
		int k = 0;
		while (!(n >> k & 1)) {
			k += 1;
		}
		if (m >= (1 << k)) {
			puts("Impossible");
			continue;
		}
		for (int mask = 1; mask <= m; ++mask) {
			for (int x = 0; x < n; ++x) {
				if (x) printf(" ");
				printf("%d", (x ^ mask) + 1);
			}
			puts("");
		}
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 1576kb

input:

2
3 1
4 3

output:

Impossible
2 1 4 3
3 4 1 2
4 3 2 1

result:

ok 4 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 1632kb

input:

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

output:

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

result:

ok 194 lines

Test #3:

score: 0
Accepted
time: 20ms
memory: 1636kb

input:

5
512 511
512 513
896 120
896 130
960 60

output:

2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95 98 97 100 99 102 101 ...

result:

ok 693 lines

Test #4:

score: 0
Accepted
time: 0ms
memory: 1536kb

input:

30
184 17
154 3
172 2
138 10
156 13
130 3
168 7
170 4
146 3
198 3
134 11
116 1
132 7
140 2
130 9
174 5
182 4
106 4
174 2
182 2
104 14
168 13
198 1
110 3
176 9
198 9
156 11
148 2
118 10
150 8

output:

Impossible
Impossible
2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79 82 81 84 83 86 85 88 87 90 89 92 91 94 93 96 95...

result:

ok 47 lines