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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
#219868	#6740. Function	zhoujiu	AC ✓	542ms	5884kb	C++20	430b	2023-10-19 19:19:25	2023-10-19 19:19:25

Judging History

你现在查看的是最新测评结果

[2023-10-19 19:19:25]
评测

测评结果：AC
用时：542ms
内存：5884kb

查看

[2023-10-19 19:19:25]
提交

answer

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

const int mod=998244353;
const int M=20210926;

int n;
unordered_map<int,int> mp;

int dfs(int n)
{
	if(n==1) return 1;
	if(mp[n]) return mp[n];

	int res=1;
	for(int l=2;l<=M&&l<=n;l++)
	{
		int d=n/l,r=min(M,n/d);

		res=(res+dfs(d)*(r-l+1))%mod;
		l=r;
	}

	return mp[n]=res;
}

signed main()
{
	cin>>n;

	cout<<dfs(n)<<'\n';
}

源文件, 语言: C++20

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3600kb

input:

output:

result:

ok 1 number(s): "1"

Test #2:

score: 0

Accepted

time: 0ms

memory: 3796kb

input:

output:

result:

ok 1 number(s): "2"

Test #3:

score: 0

Accepted

time: 0ms

memory: 3596kb

input:

output:

result:

ok 1 number(s): "949"

Test #4:

score: 0

Accepted

time: 0ms

memory: 3504kb

input:

output:

result:

ok 1 number(s): "19"

Test #5:

score: 0

Accepted

time: 0ms

memory: 3596kb

input:

output:

result:

ok 1 number(s): "48614"

Test #6:

score: 0

Accepted

time: 0ms

memory: 3596kb

input:

output:

result:

ok 1 number(s): "2602393"

Test #7:

score: 0

Accepted

time: 1ms

memory: 3632kb

input:

output:

139804054

result:

ok 1 number(s): "139804054"

Test #8:

score: 0

Accepted

time: 3ms

memory: 3840kb

input:

output:

521718285

result:

ok 1 number(s): "521718285"

Test #9:

score: 0

Accepted

time: 13ms

memory: 4040kb

input:

10000000

output:

503104917

result:

ok 1 number(s): "503104917"

Test #10:

score: 0

Accepted

time: 95ms

memory: 4232kb

input:

100000000

output:

198815604

result:

ok 1 number(s): "198815604"

Test #11:

score: 0

Accepted

time: 537ms

memory: 5836kb

input:

1000000000

output:

373787809

result:

ok 1 number(s): "373787809"

Test #12:

score: 0

Accepted

time: 542ms

memory: 5884kb

input:

999999999

output:

997616263

result:

ok 1 number(s): "997616263"

Test #13:

score: 0

Accepted

time: 539ms

memory: 5856kb

input:

999999990

output:

997615701

result:

ok 1 number(s): "997615701"

Test #14:

score: 0

Accepted

time: 538ms

memory: 5852kb

input:

999999900

output:

993928691

result:

ok 1 number(s): "993928691"

Test #15:

score: 0

Accepted

time: 536ms

memory: 5784kb

input:

999999000

output:

754532207

result:

ok 1 number(s): "754532207"

Test #16:

score: 0

Accepted

time: 540ms

memory: 5784kb

input:

999990000

output:

996592686

result:

ok 1 number(s): "996592686"

Test #17:

score: 0

Accepted

time: 541ms

memory: 5760kb

input:

999900000

output:

311678722

result:

ok 1 number(s): "311678722"

Test #18:

score: 0

Accepted

time: 541ms

memory: 5832kb

input:

999000000

output:

60462624

result:

ok 1 number(s): "60462624"

Test #19:

score: 0

Accepted

time: 537ms

memory: 5800kb

input:

990000000

output:

444576800

result:

ok 1 number(s): "444576800"

Test #20:

score: 0

Accepted

time: 489ms

memory: 5704kb

input:

900000000

output:

95615129

result:

ok 1 number(s): "95615129"

Test #21:

score: 0

Accepted

time: 4ms

memory: 3660kb

input:

output:

813433539

result:

ok 1 number(s): "813433539"

Test #22:

score: 0

Accepted

time: 14ms

memory: 3776kb

input:

output:

677659797

result:

ok 1 number(s): "677659797"

Test #23:

score: 0

Accepted

time: 14ms

memory: 3776kb

input:

output:

801509527

result:

ok 1 number(s): "801509527"

Test #24:

score: 0

Accepted

time: 11ms

memory: 3736kb

input:

output:

869023935

result:

ok 1 number(s): "869023935"

Test #25:

score: 0

Accepted

time: 7ms

memory: 3688kb

input:

output:

989091505

result:

ok 1 number(s): "989091505"

Test #26:

score: 0

Accepted

time: 10ms

memory: 3828kb

input:

output:

539840131

result:

ok 1 number(s): "539840131"