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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 |
|---|---|---|---|---|---|---|---|---|---|
| #129438 | #6740. Function | KaphI | AC ✓ | 260ms | 7836kb | C++17 | 494b | 2023-07-22 19:33:54 | 2023-07-22 19:33:54 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int M=998244353;
int n,w[1000005];
map<int,int>mp;
int min(int x,int y){return (x<y)? x:y;}
int f(int x){
if(x<=3)return x;
if(x<=1000000&&w[x])return w[x];
if(mp.find(x)!=mp.end())return mp[x];
int rs=1;
for(int l=2,r;l<=min(x,20210926);l=r+1){
r=min(x/(x/l),20210926);
rs=(rs+1ll*(r-l+1)*f(x/l))%M;
}
return (x<=1000000)? (w[x]=rs):(mp[x]=rs);
}
int main(){
scanf("%d",&n);
printf("%d\n",f(n));
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3732kb
input:
1
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 1ms
memory: 3620kb
input:
2
output:
2
result:
ok 1 number(s): "2"
Test #3:
score: 0
Accepted
time: 1ms
memory: 3840kb
input:
100
output:
949
result:
ok 1 number(s): "949"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3652kb
input:
10
output:
19
result:
ok 1 number(s): "19"
Test #5:
score: 0
Accepted
time: 1ms
memory: 3656kb
input:
1000
output:
48614
result:
ok 1 number(s): "48614"
Test #6:
score: 0
Accepted
time: 1ms
memory: 3668kb
input:
10000
output:
2602393
result:
ok 1 number(s): "2602393"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3692kb
input:
100000
output:
139804054
result:
ok 1 number(s): "139804054"
Test #8:
score: 0
Accepted
time: 3ms
memory: 3884kb
input:
1000000
output:
521718285
result:
ok 1 number(s): "521718285"
Test #9:
score: 0
Accepted
time: 10ms
memory: 4364kb
input:
10000000
output:
503104917
result:
ok 1 number(s): "503104917"
Test #10:
score: 0
Accepted
time: 44ms
memory: 5992kb
input:
100000000
output:
198815604
result:
ok 1 number(s): "198815604"
Test #11:
score: 0
Accepted
time: 255ms
memory: 7836kb
input:
1000000000
output:
373787809
result:
ok 1 number(s): "373787809"
Test #12:
score: 0
Accepted
time: 260ms
memory: 7600kb
input:
999999999
output:
997616263
result:
ok 1 number(s): "997616263"
Test #13:
score: 0
Accepted
time: 256ms
memory: 7692kb
input:
999999990
output:
997615701
result:
ok 1 number(s): "997615701"
Test #14:
score: 0
Accepted
time: 259ms
memory: 7620kb
input:
999999900
output:
993928691
result:
ok 1 number(s): "993928691"
Test #15:
score: 0
Accepted
time: 256ms
memory: 7600kb
input:
999999000
output:
754532207
result:
ok 1 number(s): "754532207"
Test #16:
score: 0
Accepted
time: 259ms
memory: 7692kb
input:
999990000
output:
996592686
result:
ok 1 number(s): "996592686"
Test #17:
score: 0
Accepted
time: 256ms
memory: 7696kb
input:
999900000
output:
311678722
result:
ok 1 number(s): "311678722"
Test #18:
score: 0
Accepted
time: 259ms
memory: 7568kb
input:
999000000
output:
60462624
result:
ok 1 number(s): "60462624"
Test #19:
score: 0
Accepted
time: 258ms
memory: 7824kb
input:
990000000
output:
444576800
result:
ok 1 number(s): "444576800"
Test #20:
score: 0
Accepted
time: 240ms
memory: 7588kb
input:
900000000
output:
95615129
result:
ok 1 number(s): "95615129"
Test #21:
score: 0
Accepted
time: 3ms
memory: 3904kb
input:
1361956
output:
813433539
result:
ok 1 number(s): "813433539"
Test #22:
score: 0
Accepted
time: 5ms
memory: 4368kb
input:
7579013
output:
677659797
result:
ok 1 number(s): "677659797"
Test #23:
score: 0
Accepted
time: 2ms
memory: 4556kb
input:
8145517
output:
801509527
result:
ok 1 number(s): "801509527"
Test #24:
score: 0
Accepted
time: 7ms
memory: 4208kb
input:
6140463
output:
869023935
result:
ok 1 number(s): "869023935"
Test #25:
score: 0
Accepted
time: 5ms
memory: 4336kb
input:
3515281
output:
989091505
result:
ok 1 number(s): "989091505"
Test #26:
score: 0
Accepted
time: 8ms
memory: 4360kb
input:
6969586
output:
539840131
result:
ok 1 number(s): "539840131"