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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#105274#6131. TournamentSorting#AC ✓27ms3516kbC++528b2023-05-13 20:28:092023-05-13 20:28:13

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-05-13 20:28:13]
  • 评测
  • 测评结果:AC
  • 用时:27ms
  • 内存:3516kb
  • [2023-05-13 20:28:09]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll mod=1e9+7;
const int iu=1e5;
int n,k;
void solve(){
	cin >> n >> k;
	int z=n;
	int up=0;
	for(int i=0; i<20 ;i++){
		if((n>>i)&1) break;
		up|=1<<i;
	}
	if(k>up){
		cout << "Impossible\n";
		return;
	}
	for(int i=1; i<=k ;i++){
		for(int j=1; j<=n ;j++){
			int res=((j-1)^i)+1;
			cout << res << ' ';
		}
		cout << '\n';
	}
	
}
int main(){
	ios::sync_with_stdio(false);cin.tie(0);
	int t;cin >> t;
	while(t--) solve();
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3400kb

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: 2ms
memory: 3356kb

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 ...

result:

ok 194 lines

Test #3:

score: 0
Accepted
time: 27ms
memory: 3516kb

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: 3516kb

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