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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#594495#6131. TournamentAbclAC ✓19ms11128kbC++141.2kb2024-09-28 00:51:552024-09-28 00:51:55

Judging History

你现在查看的是最新测评结果

  • [2024-09-28 00:51:55]
  • 评测
  • 测评结果:AC
  • 用时:19ms
  • 内存:11128kb
  • [2024-09-28 00:51:55]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int mod=998244353;
const int N=1005;
int n,k,m;
int lowbit(int x){
	return x&(-x);
}
int a[N][N];
void copy(int len){
	for(int l=1;l+2*len-1<=n;l+=2*len){
		for(int r=1;r+2*len-1<=n;r+=2*len){
			for(int i=l;i<=l+len-1;i++){
				for(int j=r;j<=r+len-1;j++){
					a[i+len][j+len]=a[i][j];
				}
			}
		}
	}
	for(int l=1;l+2*len-1<=n;l+=2*len){
		for(int r=2*len;r<=n;r+=2*len){
			for(int i=l;i<=l+len-1;i++){
				for(int j=r;j>=r-len+1;j--){
					a[i+len][j-len]=a[i][j];
				}
			}
		}
	}
}
void solve(){
	cin>>n>>k;
	if(n&1||k>=lowbit(n))cout<<"Impossible"<<endl;
	else{
		for(int j=1;j<=n;j+=2){
			a[1][j]=j,a[1][j+1]=j+1;
			a[2][j]=j+1,a[2][j+1]=j;
		}
		for(int i=2;i<=n;i*=2){
			if(n%i)break;
			copy(i); 
		}
		for(int i=2;i<=k+1;i++){
			for(int j=1;j<=n;j++){
				if(j==1)cout<<a[i][j];
				else cout<<' '<<a[i][j];
			}cout<<endl;
		}
	}
	return;
}
signed main() {
	ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("in.txt","r",stdin);
	//freopen("out.txt","w",stdout);
	int T_case=1;
	cin>>T_case;
	//init();
	while(T_case--){
		solve();
	}
    return 0;
}


Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3692kb

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: 1ms
memory: 3760kb

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: 19ms
memory: 11128kb

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: 1ms
memory: 5852kb

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