QOJ.ac
QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #220864 | #6740. Function | ycccc319 | AC ✓ | 440ms | 5872kb | C++17 | 642b | 2023-10-20 22:11:06 | 2023-10-20 22:11:06 |
Judging History
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;
for(ll l=1,r=0;l<=x and l <= 20210926;l=r+1) {
r = x / (x / l);
if (l == 1) continue;
if(r > 20210926)r = 20210926;
ans = (ans + (r - l + 1) * f(x / l) % mod) % mod;
}
return ans;
}
ll f(ll x)
{
if(ff.count(x)) return ff[x];
if(x==0)
{
return 0;
}
else
{
return ff[x]=(fk(x)+1)%mod;
}
}
int main() {
cin>>n;
cout<<(int64_t)f(n);
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3592kb
input:
1
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
2
output:
2
result:
ok 1 number(s): "2"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
100
output:
949
result:
ok 1 number(s): "949"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
10
output:
19
result:
ok 1 number(s): "19"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
1000
output:
48614
result:
ok 1 number(s): "48614"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3540kb
input:
10000
output:
2602393
result:
ok 1 number(s): "2602393"
Test #7:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
100000
output:
139804054
result:
ok 1 number(s): "139804054"
Test #8:
score: 0
Accepted
time: 3ms
memory: 3608kb
input:
1000000
output:
521718285
result:
ok 1 number(s): "521718285"
Test #9:
score: 0
Accepted
time: 14ms
memory: 3912kb
input:
10000000
output:
503104917
result:
ok 1 number(s): "503104917"
Test #10:
score: 0
Accepted
time: 78ms
memory: 4160kb
input:
100000000
output:
198815604
result:
ok 1 number(s): "198815604"
Test #11:
score: 0
Accepted
time: 437ms
memory: 5832kb
input:
1000000000
output:
373787809
result:
ok 1 number(s): "373787809"
Test #12:
score: 0
Accepted
time: 433ms
memory: 5696kb
input:
999999999
output:
997616263
result:
ok 1 number(s): "997616263"
Test #13:
score: 0
Accepted
time: 437ms
memory: 5872kb
input:
999999990
output:
997615701
result:
ok 1 number(s): "997615701"
Test #14:
score: 0
Accepted
time: 438ms
memory: 5796kb
input:
999999900
output:
993928691
result:
ok 1 number(s): "993928691"
Test #15:
score: 0
Accepted
time: 437ms
memory: 5832kb
input:
999999000
output:
754532207
result:
ok 1 number(s): "754532207"
Test #16:
score: 0
Accepted
time: 439ms
memory: 5768kb
input:
999990000
output:
996592686
result:
ok 1 number(s): "996592686"
Test #17:
score: 0
Accepted
time: 434ms
memory: 5800kb
input:
999900000
output:
311678722
result:
ok 1 number(s): "311678722"
Test #18:
score: 0
Accepted
time: 440ms
memory: 5868kb
input:
999000000
output:
60462624
result:
ok 1 number(s): "60462624"
Test #19:
score: 0
Accepted
time: 430ms
memory: 5736kb
input:
990000000
output:
444576800
result:
ok 1 number(s): "444576800"
Test #20:
score: 0
Accepted
time: 401ms
memory: 5856kb
input:
900000000
output:
95615129
result:
ok 1 number(s): "95615129"
Test #21:
score: 0
Accepted
time: 3ms
memory: 3912kb
input:
1361956
output:
813433539
result:
ok 1 number(s): "813433539"
Test #22:
score: 0
Accepted
time: 12ms
memory: 3768kb
input:
7579013
output:
677659797
result:
ok 1 number(s): "677659797"
Test #23:
score: 0
Accepted
time: 12ms
memory: 3808kb
input:
8145517
output:
801509527
result:
ok 1 number(s): "801509527"
Test #24:
score: 0
Accepted
time: 10ms
memory: 3728kb
input:
6140463
output:
869023935
result:
ok 1 number(s): "869023935"
Test #25:
score: 0
Accepted
time: 6ms
memory: 3952kb
input:
3515281
output:
989091505
result:
ok 1 number(s): "989091505"
Test #26:
score: 0
Accepted
time: 11ms
memory: 3756kb
input:
6969586
output:
539840131
result:
ok 1 number(s): "539840131"