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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#463154#8009. Growing SequencesPhantomThreshold#AC ✓18ms5848kbC++201.1kb2024-07-04 14:34:362024-07-04 14:34:36

Judging History

你现在查看的是最新测评结果

  • [2024-07-04 14:34:36]
  • 评测
  • 测评结果:AC
  • 用时:18ms
  • 内存:5848kb
  • [2024-07-04 14:34:36]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
using namespace std;

const int maxn = 65;
const int mod  = 998244353;
inline void add(int &a,const int &b){ a+=b;if(a>=mod)a-=mod; }

int a[maxn],an,b[maxn];
int f[maxn][maxn][maxn][2];

int dp(int n,ll C)
{
	if(n==0) return 1;
	
	memset(f,0,sizeof f);
	memset(a,0,sizeof a);
	memset(b,0,sizeof b);
	{
		ll tc=C;
		an=0;
		while(tc) a[++an]=tc%2,tc>>=1;
	}
	
	for(int i=1;i<=n;i++) b[i]=n-i;
	for(int l=1;l<=n+1;l++) for(int r=l-1;r<=n;r++) for(int c=0;c<2;c++)
		f[0][l][r][c]=1;
	for(int i=1;i<=an;i++)
	{
		for(int l=1;l<=n+1;l++) for(int c=0;c<2;c++) f[i][l][l-1][c]=1;
		for(int l=1;l<=n;l++) for(int r=l;r<=n;r++) for(int c=0;c<2;c++)
		{
			for(int k=l-1;k<=r;k++)
			{
				if( ( k==r || b[k+1]<i ) && ( c==0 || k==r || a[i]==1 ) )
				{
					int x= c & (a[i]==0), y= c;
					add(f[i][l][r][c], (ll)f[i-1][l][k][x]*f[i-1][k+1][r][y]%mod );
				}
			}
		}
	}
	return f[an][1][n][1];
}

int main()
{
	ios_base::sync_with_stdio(false);
	
	int n;
	ll C;
	cin>>n;
	cin>>C;
	
	//int x=dp(n,C),y=dp(n-1,C);
	cout<<(dp(n,C)-dp(n-1,C)+mod)%mod<<endl;
	
	
	return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5700kb

input:

1 5

output:

5

result:

ok answer is '5'

Test #2:

score: 0
Accepted
time: 0ms
memory: 5716kb

input:

3 6

output:

4

result:

ok answer is '4'

Test #3:

score: 0
Accepted
time: 0ms
memory: 5700kb

input:

15 179

output:

0

result:

ok answer is '0'

Test #4:

score: 0
Accepted
time: 4ms
memory: 5764kb

input:

35 1234567887654321

output:

576695683

result:

ok answer is '576695683'

Test #5:

score: 0
Accepted
time: 0ms
memory: 5724kb

input:

45 228228228

output:

0

result:

ok answer is '0'

Test #6:

score: 0
Accepted
time: 18ms
memory: 5692kb

input:

60 576460752303423487

output:

0

result:

ok answer is '0'

Test #7:

score: 0
Accepted
time: 15ms
memory: 5772kb

input:

60 576460752303423488

output:

1

result:

ok answer is '1'

Test #8:

score: 0
Accepted
time: 1ms
memory: 5784kb

input:

1 1000000000000000000

output:

716070898

result:

ok answer is '716070898'

Test #9:

score: 0
Accepted
time: 1ms
memory: 5848kb

input:

1 1

output:

1

result:

ok answer is '1'

Test #10:

score: 0
Accepted
time: 1ms
memory: 5724kb

input:

15 1

output:

0

result:

ok answer is '0'

Test #11:

score: 0
Accepted
time: 0ms
memory: 5792kb

input:

1 964573170374708959

output:

695628865

result:

ok answer is '695628865'

Test #12:

score: 0
Accepted
time: 1ms
memory: 5720kb

input:

2 336

output:

28224

result:

ok answer is '28224'

Test #13:

score: 0
Accepted
time: 1ms
memory: 5848kb

input:

5 463

output:

172916212

result:

ok answer is '172916212'

Test #14:

score: 0
Accepted
time: 1ms
memory: 5752kb

input:

7 75427

output:

523581579

result:

ok answer is '523581579'

Test #15:

score: 0
Accepted
time: 1ms
memory: 5752kb

input:

10 28166

output:

145818175

result:

ok answer is '145818175'

Test #16:

score: 0
Accepted
time: 1ms
memory: 5788kb

input:

12 77890

output:

724302124

result:

ok answer is '724302124'

Test #17:

score: 0
Accepted
time: 1ms
memory: 5696kb

input:

3 401245

output:

68076875

result:

ok answer is '68076875'

Test #18:

score: 0
Accepted
time: 1ms
memory: 5764kb

input:

8 511955

output:

109524351

result:

ok answer is '109524351'

Test #19:

score: 0
Accepted
time: 1ms
memory: 5848kb

input:

15 484969

output:

99426993

result:

ok answer is '99426993'

Test #20:

score: 0
Accepted
time: 0ms
memory: 5772kb

input:

30 779369

output:

0

result:

ok answer is '0'

Test #21:

score: 0
Accepted
time: 0ms
memory: 5788kb

input:

17 638679755

output:

132031375

result:

ok answer is '132031375'

Test #22:

score: 0
Accepted
time: 2ms
memory: 5772kb

input:

25 669522429

output:

896585516

result:

ok answer is '896585516'

Test #23:

score: 0
Accepted
time: 2ms
memory: 5696kb

input:

29 748278478

output:

563047844

result:

ok answer is '563047844'

Test #24:

score: 0
Accepted
time: 0ms
memory: 5788kb

input:

33 642978862039931

output:

550967529

result:

ok answer is '550967529'

Test #25:

score: 0
Accepted
time: 5ms
memory: 5700kb

input:

38 218051542638139

output:

29411033

result:

ok answer is '29411033'

Test #26:

score: 0
Accepted
time: 6ms
memory: 5848kb

input:

44 188775063557057

output:

185410072

result:

ok answer is '185410072'

Test #27:

score: 0
Accepted
time: 6ms
memory: 5848kb

input:

48 4677253159871213

output:

863467586

result:

ok answer is '863467586'

Test #28:

score: 0
Accepted
time: 0ms
memory: 5752kb

input:

22 854279883518523144

output:

916505804

result:

ok answer is '916505804'

Test #29:

score: 0
Accepted
time: 6ms
memory: 5720kb

input:

38 730620861826239715

output:

433138392

result:

ok answer is '433138392'

Test #30:

score: 0
Accepted
time: 13ms
memory: 5724kb

input:

54 435826341367976434

output:

237455633

result:

ok answer is '237455633'

Test #31:

score: 0
Accepted
time: 14ms
memory: 5784kb

input:

55 536518888651224157

output:

665085880

result:

ok answer is '665085880'

Test #32:

score: 0
Accepted
time: 14ms
memory: 5700kb

input:

56 413839394784728775

output:

647247529

result:

ok answer is '647247529'

Test #33:

score: 0
Accepted
time: 14ms
memory: 5756kb

input:

57 514531937773009201

output:

425329246

result:

ok answer is '425329246'

Test #34:

score: 0
Accepted
time: 15ms
memory: 5780kb

input:

58 391852448201481116

output:

522300883

result:

ok answer is '522300883'

Test #35:

score: 0
Accepted
time: 16ms
memory: 5724kb

input:

59 492544995484728838

output:

937899244

result:

ok answer is '937899244'

Test #36:

score: 0
Accepted
time: 16ms
memory: 5700kb

input:

60 693597573066212298

output:

490610488

result:

ok answer is '490610488'

Test #37:

score: 0
Accepted
time: 17ms
memory: 5696kb

input:

60 1000000000000000000

output:

13328531

result:

ok answer is '13328531'

Extra Test:

score: 0
Extra Test Passed