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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
#774594	#9553. The Hermit	welikestudying^#	AC ✓	34ms	13932kb	C++20	698b	2024-11-23 13:30:40	2024-11-23 13:30:44

Judging History

你现在查看的是最新测评结果

[2024-11-23 13:30:44]
评测

测评结果：AC
用时：34ms
内存：13932kb

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[2024-11-23 13:30:40]
提交

answer

#include<bits/stdc++.h>
#define up(a,b,c)for(int a=b;a<=c;++a)
#define dn(a,b,c)for(int a=b;a>=c;--a)
const int N=11e4,G=22,p=998244353;
using namespace std;
int n,m,fc[N],nf[N],g[N][G],as;
int pw(int a,int b)
{
	int rs=1;
	for(;b;a=1ll*a*a%p,b/=2)
		if(b&1)rs=1ll*rs*a%p;
	return rs;
}
int C(int n,int m)
{
	if(m>n)return 0;
	return 1ll*fc[n]*nf[m]%p*nf[n-m]%p;
}
int main()
{
	cin>>n>>m,fc[0]=1;
	up(i,1,n)fc[i]=1ll*fc[i-1]*i%p;
	nf[n]=pw(fc[n],p-2);
	dn(i,n,1)nf[i-1]=1ll*nf[i]*i%p;
	as=1ll*C(n,m)*m%p;
	dn(i,n,1)dn(j,min(m-1,__lg(i)),0)
	{
		g[i][j]=C(n/i-1,m-j-1);
		up(z,2,n/i)g[i][j]=(g[i][j]+g[i*z][j+1])%p;
		as=(as+p-g[i][0])%p;
	}
	cout<<as;
	return 0;
}

源文件, 语言: C++20

这程序好像有点Bug，我给组数据试试？

詳細信息

Test #1:

score: 100

Accepted

time: 1ms

memory: 5724kb

input:

4 3

output:

result:

ok 1 number(s): "7"

Test #2:

score: 0

Accepted

time: 0ms

memory: 3536kb

input:

11 4

output:

result:

ok 1 number(s): "1187"

Test #3:

score: 0

Accepted

time: 29ms

memory: 13864kb

input:

100000 99999

output:

17356471

result:

ok 1 number(s): "17356471"

Test #4:

score: 0

Accepted

time: 0ms

memory: 4776kb

input:

11451 1919

output:

845616153

result:

ok 1 number(s): "845616153"

Test #5:

score: 0

Accepted

time: 30ms

memory: 13008kb

input:

99998 12345

output:

936396560

result:

ok 1 number(s): "936396560"

Test #6:

score: 0

Accepted

time: 5ms

memory: 13924kb

input:

100000 1

output:

result:

ok 1 number(s): "0"

Test #7:

score: 0

Accepted

time: 33ms

memory: 13856kb

input:

100000 15

output:

190067060

result:

ok 1 number(s): "190067060"

Test #8:

score: 0

Accepted

time: 0ms

memory: 3620kb

input:

10 3

output:

result:

ok 1 number(s): "299"

Test #9:

score: 0

Accepted

time: 1ms

memory: 5548kb

input:

10 4

output:

result:

ok 1 number(s): "743"

Test #10:

score: 0

Accepted

time: 0ms

memory: 3540kb

input:

10 5

output:

result:

ok 1 number(s): "1129"

Test #11:

score: 0

Accepted

time: 0ms

memory: 5676kb

input:

15 6

output:

result:

ok 1 number(s): "28006"

Test #12:

score: 0

Accepted

time: 0ms

memory: 3504kb

input:

15 7

output:

result:

ok 1 number(s): "42035"

Test #13:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

123 45

output:

214851327

result:

ok 1 number(s): "214851327"

Test #14:

score: 0

Accepted

time: 0ms

memory: 7656kb

input:

998 244

output:

964050559

result:

ok 1 number(s): "964050559"

Test #15:

score: 0

Accepted

time: 0ms

memory: 5748kb

input:

1919 810

output:

379720338

result:

ok 1 number(s): "379720338"

Test #16:

score: 0

Accepted

time: 0ms

memory: 5608kb

input:

1048 576

output:

216543264

result:

ok 1 number(s): "216543264"

Test #17:

score: 0

Accepted

time: 1ms

memory: 5736kb

input:

999 777

output:

635548531

result:

ok 1 number(s): "635548531"

Test #18:

score: 0

Accepted

time: 25ms

memory: 13420kb

input:

99999 77777

output:

448144614

result:

ok 1 number(s): "448144614"

Test #19:

score: 0

Accepted

time: 10ms

memory: 9356kb

input:

34527 6545

output:

748108997

result:

ok 1 number(s): "748108997"

Test #20:

score: 0

Accepted

time: 4ms

memory: 6552kb

input:

12345 12

output:

777496209

result:

ok 1 number(s): "777496209"

Test #21:

score: 0

Accepted

time: 1ms

memory: 5584kb

input:

1 1

output:

result:

ok 1 number(s): "0"

Test #22:

score: 0

Accepted

time: 30ms

memory: 13792kb

input:

100000 10101

output:

855985819

result:

ok 1 number(s): "855985819"

Test #23:

score: 0

Accepted

time: 33ms

memory: 13736kb

input:

100000 91919

output:

92446940

result:

ok 1 number(s): "92446940"

Test #24:

score: 0

Accepted

time: 33ms

memory: 13736kb

input:

100000 77979

output:

106899398

result:

ok 1 number(s): "106899398"

Test #25:

score: 0

Accepted

time: 0ms

memory: 6508kb

input:

10000 11

output:

326411649

result:

ok 1 number(s): "326411649"

Test #26:

score: 0

Accepted

time: 12ms

memory: 13804kb

input:

100000 2

output:

15322970

result:

ok 1 number(s): "15322970"

Test #27:

score: 0

Accepted

time: 15ms

memory: 13012kb

input:

100000 3

output:

93355797

result:

ok 1 number(s): "93355797"

Test #28:

score: 0

Accepted

time: 27ms

memory: 13100kb

input:

100000 99998

output:

331850772

result:

ok 1 number(s): "331850772"

Test #29:

score: 0

Accepted

time: 26ms

memory: 13864kb

input:

100000 99996

output:

885066226

result:

ok 1 number(s): "885066226"

Test #30:

score: 0

Accepted

time: 2ms

memory: 6852kb

input:

13115 2964

output:

result:

ok 1 number(s): "0"

Test #31:

score: 0

Accepted

time: 26ms

memory: 13908kb

input:

100000 17

output:

425792977

result:

ok 1 number(s): "425792977"

Test #32:

score: 0

Accepted

time: 26ms

memory: 13732kb

input:

99991 16

output:

667323936

result:

ok 1 number(s): "667323936"

Test #33:

score: 0

Accepted

time: 31ms

memory: 13844kb

input:

99991 17

output:

627396741

result:

ok 1 number(s): "627396741"

Test #34:

score: 0

Accepted

time: 34ms

memory: 13104kb

input:

99991 18

output:

874158501

result:

ok 1 number(s): "874158501"

Test #35:

score: 0

Accepted

time: 26ms

memory: 13784kb

input:

100000 100000

output:

result:

ok 1 number(s): "99999"

Test #36:

score: 0

Accepted

time: 28ms

memory: 13796kb

input:

94229 94229

output:

result:

ok 1 number(s): "94228"

Test #37:

score: 0

Accepted

time: 29ms

memory: 13784kb

input:

94229 94223

output:

476599876

result:

ok 1 number(s): "476599876"

Test #38:

score: 0

Accepted

time: 0ms

memory: 3696kb

input:

2 1

output:

result:

ok 1 number(s): "0"

Test #39:

score: 0

Accepted

time: 1ms

memory: 5548kb

input:

2 2

output:

result:

ok 1 number(s): "0"

Test #40:

score: 0

Accepted

time: 0ms

memory: 3504kb

input:

3 1

output:

result:

ok 1 number(s): "0"

Test #41:

score: 0

Accepted

time: 1ms

memory: 5588kb

input:

3 2

output:

result:

ok 1 number(s): "2"

Test #42:

score: 0

Accepted

time: 0ms

memory: 5740kb

input:

3 3

output:

result:

ok 1 number(s): "2"

Test #43:

score: 0

Accepted

time: 0ms

memory: 3500kb

input:

9 2

output:

result:

ok 1 number(s): "44"

Test #44:

score: 0

Accepted

time: 1ms

memory: 5680kb

input:

9 3

output:

result:

ok 1 number(s): "206"

Test #45:

score: 0

Accepted

time: 0ms

memory: 3620kb

input:

9 4

output:

result:

ok 1 number(s): "441"

Test #46:

score: 0

Accepted

time: 0ms

memory: 3616kb

input:

9 7

output:

result:

ok 1 number(s): "224"

Test #47:

score: 0

Accepted

time: 17ms

memory: 11220kb

input:

70839 22229

output:

result:

ok 1 number(s): "0"

Test #48:

score: 0

Accepted

time: 21ms

memory: 13520kb

input:

65536 17

output:

698801006

result:

ok 1 number(s): "698801006"

Test #49:

score: 0

Accepted

time: 17ms

memory: 11624kb

input:

65535 17

output:

433312902

result:

ok 1 number(s): "433312902"

Test #50:

score: 0

Accepted

time: 30ms

memory: 13768kb

input:

99856 317

output:

932131332

result:

ok 1 number(s): "932131332"

Test #51:

score: 0

Accepted

time: 24ms

memory: 13744kb

input:

99856 318

output:

398997854

result:

ok 1 number(s): "398997854"

Test #52:

score: 0

Accepted

time: 11ms

memory: 13700kb

input:

99856 2

output:

984791559

result:

ok 1 number(s): "984791559"

Test #53:

score: 0

Accepted

time: 30ms

memory: 13932kb

input:

100000 50000

output:

309108799

result:

ok 1 number(s): "309108799"

Extra Test:

score: 0

Extra Test Passed