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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
#291114#2892. 合法序列MoRanSkyAC ✓453ms12104kbC++231.1kb2023-12-26 04:54:432023-12-26 04:54:44

Judging History

你现在查看的是最新测评结果

  • [2023-12-26 04:54:44]
  • 评测
  • 测评结果:AC
  • 用时:453ms
  • 内存:12104kb
  • [2023-12-26 04:54:43]
  • 提交

answer

#include <iostream>
#include <cstdio> 
#include <cstring>
typedef long long LL;

using namespace std;

const int S = 1 << 16, T = 1 << 4, P = 998244353;

int n, K, f[S][T], s, g[S][T];

int main() {
	scanf("%d%d", &n, &K); s = (1 << K) - 1;
	int t = 1 << K;
	for (int i = 0; i < (1 << t); i++) {
		bool ok = true;
		for (int j = 0; j + K - 1 < t; j++) {
			int s = 0;
			for (int k = j; k < j + K; k++)
				s = s * 2 + (i >> k & 1);
			if (!(i >> s & 1)) {
				ok = false; break;
			}
		}
		if (!ok) continue;
		int s = 0;
		for (int k = t - K; k < t; k++)
			s = s * 2 + (i >> k & 1);
		f[i][s] ++;
	}
	for (int i = 0; i < n - t; i++) {
		memcpy(g, f, sizeof g);
		memset(f, 0, sizeof f);
		for (int i = 0; i < (1 << t); i++) {
			for (int j = 0; j < (1 << K); j++) {
				if (!g[i][j]) continue;
				int b = (j << 1) & s;
				if (i >> b & 1) (f[i][b] += g[i][j]) %= P;
				if (i >> (b + 1) & 1) (f[i][b + 1] += g[i][j]) %= P;
			}
		}
	}
	int ans = 0;
	for (int i = 0; i < (1 << t); i++) {
		for (int j = 0; j < (1 << K); j++) {
			(ans += f[i][j]) %= P;
		}
	}
	printf("%d\n", ans);
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 5912kb

input:

2 1

output:

1

result:

ok single line: '1'

Test #2:

score: 0
Accepted
time: 0ms
memory: 12048kb

input:

10 3

output:

27

result:

ok single line: '27'

Test #3:

score: 0
Accepted
time: 0ms
memory: 12104kb

input:

11 3

output:

46

result:

ok single line: '46'

Test #4:

score: 0
Accepted
time: 199ms
memory: 12100kb

input:

500 3

output:

402086823

result:

ok single line: '402086823'

Test #5:

score: 0
Accepted
time: 5ms
memory: 7952kb

input:

16 4

output:

268

result:

ok single line: '268'

Test #6:

score: 0
Accepted
time: 3ms
memory: 12024kb

input:

17 4

output:

520

result:

ok single line: '520'

Test #7:

score: 0
Accepted
time: 4ms
memory: 12020kb

input:

18 4

output:

939

result:

ok single line: '939'

Test #8:

score: 0
Accepted
time: 9ms
memory: 12024kb

input:

19 4

output:

1634

result:

ok single line: '1634'

Test #9:

score: 0
Accepted
time: 3ms
memory: 11920kb

input:

20 4

output:

2678

result:

ok single line: '2678'

Test #10:

score: 0
Accepted
time: 453ms
memory: 11956kb

input:

500 4

output:

905810545

result:

ok single line: '905810545'

Test #11:

score: 0
Accepted
time: 63ms
memory: 12044kb

input:

156 3

output:

158348364

result:

ok single line: '158348364'

Test #12:

score: 0
Accepted
time: 0ms
memory: 12040kb

input:

3 1

output:

2

result:

ok single line: '2'

Test #13:

score: 0
Accepted
time: 168ms
memory: 12052kb

input:

419 1

output:

309520444

result:

ok single line: '309520444'

Test #14:

score: 0
Accepted
time: 62ms
memory: 12016kb

input:

148 1

output:

981388471

result:

ok single line: '981388471'

Test #15:

score: 0
Accepted
time: 82ms
memory: 12056kb

input:

208 1

output:

17788609

result:

ok single line: '17788609'

Test #16:

score: 0
Accepted
time: 291ms
memory: 12052kb

input:

325 4

output:

534470501

result:

ok single line: '534470501'

Test #17:

score: 0
Accepted
time: 188ms
memory: 12052kb

input:

478 1

output:

275981743

result:

ok single line: '275981743'

Test #18:

score: 0
Accepted
time: 177ms
memory: 11968kb

input:

437 3

output:

448979837

result:

ok single line: '448979837'

Test #19:

score: 0
Accepted
time: 105ms
memory: 11964kb

input:

260 3

output:

249722589

result:

ok single line: '249722589'

Test #20:

score: 0
Accepted
time: 166ms
memory: 12028kb

input:

406 2

output:

762498912

result:

ok single line: '762498912'

Test #21:

score: 0
Accepted
time: 138ms
memory: 11920kb

input:

348 2

output:

718553190

result:

ok single line: '718553190'

Test #22:

score: 0
Accepted
time: 137ms
memory: 11960kb

input:

350 1

output:

496751081

result:

ok single line: '496751081'

Test #23:

score: 0
Accepted
time: 202ms
memory: 12028kb

input:

500 1

output:

154029661

result:

ok single line: '154029661'

Test #24:

score: 0
Accepted
time: 311ms
memory: 12048kb

input:

344 4

output:

864324256

result:

ok single line: '864324256'

Test #25:

score: 0
Accepted
time: 51ms
memory: 12040kb

input:

127 3

output:

306783420

result:

ok single line: '306783420'

Test #26:

score: 0
Accepted
time: 145ms
memory: 12100kb

input:

170 4

output:

138463737

result:

ok single line: '138463737'

Test #27:

score: 0
Accepted
time: 77ms
memory: 11952kb

input:

199 3

output:

988988696

result:

ok single line: '988988696'

Test #28:

score: 0
Accepted
time: 80ms
memory: 12100kb

input:

206 3

output:

992080398

result:

ok single line: '992080398'

Test #29:

score: 0
Accepted
time: 27ms
memory: 12104kb

input:

82 2

output:

755922348

result:

ok single line: '755922348'

Test #30:

score: 0
Accepted
time: 139ms
memory: 12096kb

input:

351 2

output:

285073312

result:

ok single line: '285073312'

Test #31:

score: 0
Accepted
time: 109ms
memory: 12012kb

input:

274 1

output:

609866862

result:

ok single line: '609866862'

Test #32:

score: 0
Accepted
time: 165ms
memory: 11960kb

input:

416 3

output:

49398792

result:

ok single line: '49398792'

Test #33:

score: 0
Accepted
time: 1ms
memory: 5812kb

input:

4 2

output:

2

result:

ok single line: '2'

Test #34:

score: 0
Accepted
time: 0ms
memory: 12012kb

input:

5 2

output:

4

result:

ok single line: '4'

Test #35:

score: 0
Accepted
time: 0ms
memory: 11916kb

input:

6 2

output:

7

result:

ok single line: '7'

Test #36:

score: 0
Accepted
time: 200ms
memory: 12036kb

input:

500 2

output:

255888452

result:

ok single line: '255888452'

Test #37:

score: 0
Accepted
time: 1ms
memory: 5916kb

input:

8 3

output:

8

result:

ok single line: '8'

Test #38:

score: 0
Accepted
time: 3ms
memory: 12016kb

input:

9 3

output:

15

result:

ok single line: '15'