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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 |
---|---|---|---|---|---|---|---|---|---|
#637273 | #6740. Function | UESTC_DECAYALI# | AC ✓ | 463ms | 6076kb | C++20 | 1.1kb | 2024-10-13 11:56:51 | 2024-10-13 11:56:51 |
Judging History
answer
#include<cstdio>
#include<iostream>
#include<cassert>
#include<unordered_map>
#define RI register int
#define CI const int&
using namespace std;
const int mod=998244353;
int n; unordered_map <int,int> g;
inline int G(CI n)
{
if (g.count(n)) return g[n]; int ret=1;
for (RI l=2,r;l<=n&&l<=20210926;l=r+1)
{
r=min(20210926,n/(n/l));
(ret+=1LL*(r-l+1)*G(n/l)%mod)%=mod;
}
return g[n]=ret;
}
int main()
{
scanf("%d",&n);
/*for (int n=1;n<=1000;++n)
{
static int f[1005],g[1005];
for (RI x=1000;x>=1;--x)
{
f[x]=1;
for (RI k=2;k<=20210926;++k)
{
long long y=x*k;
if (y>n) break;
(f[x]+=f[y])%=mod;
}
}
for (RI x=1;x<=1000;++x)
{
g[x]=1;
for (RI k=2;k<=20210926;++k)
{
int y=x/k;
if (y==0) break;
(g[x]+=g[y])%=mod;
}
}
assert(f[1]==g[n]);
//printf("%d %d\n",f[1],g[n]);
}*/
return printf("%d",G(n)),0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3756kb
input:
1
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 4100kb
input:
2
output:
2
result:
ok 1 number(s): "2"
Test #3:
score: 0
Accepted
time: 0ms
memory: 4096kb
input:
100
output:
949
result:
ok 1 number(s): "949"
Test #4:
score: 0
Accepted
time: 0ms
memory: 4092kb
input:
10
output:
19
result:
ok 1 number(s): "19"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
1000
output:
48614
result:
ok 1 number(s): "48614"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
10000
output:
2602393
result:
ok 1 number(s): "2602393"
Test #7:
score: 0
Accepted
time: 1ms
memory: 3844kb
input:
100000
output:
139804054
result:
ok 1 number(s): "139804054"
Test #8:
score: 0
Accepted
time: 3ms
memory: 3864kb
input:
1000000
output:
521718285
result:
ok 1 number(s): "521718285"
Test #9:
score: 0
Accepted
time: 14ms
memory: 4084kb
input:
10000000
output:
503104917
result:
ok 1 number(s): "503104917"
Test #10:
score: 0
Accepted
time: 77ms
memory: 4424kb
input:
100000000
output:
198815604
result:
ok 1 number(s): "198815604"
Test #11:
score: 0
Accepted
time: 459ms
memory: 5780kb
input:
1000000000
output:
373787809
result:
ok 1 number(s): "373787809"
Test #12:
score: 0
Accepted
time: 459ms
memory: 5820kb
input:
999999999
output:
997616263
result:
ok 1 number(s): "997616263"
Test #13:
score: 0
Accepted
time: 454ms
memory: 5752kb
input:
999999990
output:
997615701
result:
ok 1 number(s): "997615701"
Test #14:
score: 0
Accepted
time: 460ms
memory: 6072kb
input:
999999900
output:
993928691
result:
ok 1 number(s): "993928691"
Test #15:
score: 0
Accepted
time: 462ms
memory: 5788kb
input:
999999000
output:
754532207
result:
ok 1 number(s): "754532207"
Test #16:
score: 0
Accepted
time: 459ms
memory: 5784kb
input:
999990000
output:
996592686
result:
ok 1 number(s): "996592686"
Test #17:
score: 0
Accepted
time: 456ms
memory: 5820kb
input:
999900000
output:
311678722
result:
ok 1 number(s): "311678722"
Test #18:
score: 0
Accepted
time: 463ms
memory: 6076kb
input:
999000000
output:
60462624
result:
ok 1 number(s): "60462624"
Test #19:
score: 0
Accepted
time: 456ms
memory: 5768kb
input:
990000000
output:
444576800
result:
ok 1 number(s): "444576800"
Test #20:
score: 0
Accepted
time: 418ms
memory: 5868kb
input:
900000000
output:
95615129
result:
ok 1 number(s): "95615129"
Test #21:
score: 0
Accepted
time: 4ms
memory: 3844kb
input:
1361956
output:
813433539
result:
ok 1 number(s): "813433539"
Test #22:
score: 0
Accepted
time: 12ms
memory: 4036kb
input:
7579013
output:
677659797
result:
ok 1 number(s): "677659797"
Test #23:
score: 0
Accepted
time: 12ms
memory: 4044kb
input:
8145517
output:
801509527
result:
ok 1 number(s): "801509527"
Test #24:
score: 0
Accepted
time: 10ms
memory: 4004kb
input:
6140463
output:
869023935
result:
ok 1 number(s): "869023935"
Test #25:
score: 0
Accepted
time: 6ms
memory: 3964kb
input:
3515281
output:
989091505
result:
ok 1 number(s): "989091505"
Test #26:
score: 0
Accepted
time: 7ms
memory: 4048kb
input:
6969586
output:
539840131
result:
ok 1 number(s): "539840131"