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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
#220848	#6740. Function	ycccc319	TL	516ms	4044kb	C++17	638b	2023-10-20 21:39:23	2023-10-20 21:39:23

Judging History

你现在查看的是最新测评结果

[2023-10-20 21:39:23]
评测

测评结果：TL
用时：516ms
内存：4044kb

查看

[2023-10-20 21:39:23]
提交

answer

#include <bits/stdc++.h>
#define mod 998244353
#define ll long long
using namespace std;
ll n;
unordered_map<ll,ll> ff;
ll fk(ll x)
{
    ll f(ll x);
    ll ans=0;
    ll tmp=n;
    for(ll l=1,r=0;l<=tmp;l=r+1)
    {
        r = tmp / (tmp / l);
        if(l==1) continue;
        ans=(ans+(r-l+1)*f(x/l)%mod)%mod;
    }
    return ans;
}
ll f(ll x)
{
    if(ff[x]) return ff[x];
    if(x==0)
    {
        return 0;
    }
    else if(x==1)
    {
        return 1;
    }
    else
    {
        return ff[x]=(fk(x)+1)%mod;
    }
}
int main() {
    cin>>n;
    cout<<(int64_t)f(n);
    return 0;
}

源文件, 语言: C++17

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3760kb

input:

output:

result:

ok 1 number(s): "1"

Test #2:

score: 0

Accepted

time: 0ms

memory: 3596kb

input:

output:

result:

ok 1 number(s): "2"

Test #3:

score: 0

Accepted

time: 0ms

memory: 3568kb

input:

output:

result:

ok 1 number(s): "949"

Test #4:

score: 0

Accepted

time: 0ms

memory: 3820kb

input:

output:

result:

ok 1 number(s): "19"

Test #5:

score: 0

Accepted

time: 0ms

memory: 3532kb

input:

output:

result:

ok 1 number(s): "48614"

Test #6:

score: 0

Accepted

time: 1ms

memory: 3604kb

input:

output:

result:

ok 1 number(s): "2602393"

Test #7:

score: 0

Accepted

time: 3ms

memory: 3628kb

input:

output:

139804054

result:

ok 1 number(s): "139804054"

Test #8:

score: 0

Accepted

time: 54ms

memory: 3564kb

input:

output:

521718285

result:

ok 1 number(s): "521718285"

Test #9:

score: 0

Accepted

time: 516ms

memory: 4044kb

input:

10000000

output:

503104917

result:

ok 1 number(s): "503104917"

Test #10:

score: -100

Time Limit Exceeded

input:

100000000