Submission #3423728
Source Code Expand
#include<bits/stdc++.h> using namespace std; const int mod=1e9+7,N=1e5+7; int n,m,ans=1,inv[N]; int F(int n,int m) { int ret=1; for(int i=0;i<m;i++)ret=1ll*ret*(n+i)%mod; for(int i=1;i<=m;i++)ret=1ll*ret*inv[i]%mod; return ret; } int main() { cin>>n>>m; if(m==1){cout<<1;return 0;} inv[0]=inv[1]=1; for(int i=2;i<=m;i++)inv[i]=1ll*(mod-mod/i)*inv[mod%i]%mod; n=abs(n); for(int i=2;i*i<=n;i++) if(n%i==0) { int cnt=0; while(n%i==0)n/=i,cnt++; ans=1ll*ans*F(m,cnt)%mod; } if(n>1)ans=1ll*ans*F(m,1)%mod; for(int i=1;i<m;i++)ans=ans*2%mod; cout<<ans; }
Submission Info
Submission Time | |
---|---|
Task | D - 表現の自由 ( Freedom of expression ) |
User | hfctf0210 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 598 Byte |
Status | WA |
Exec Time | 3 ms |
Memory | 640 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 0 / 100 | ||
Status |
|
Set Name | Test Cases |
---|---|
All | 00_max.txt, 00_max2.txt, 00_max3.txt, 00_min.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 01_rnd_20.txt, 01_rnd_21.txt, 01_rnd_22.txt, 01_rnd_23.txt, 01_rnd_24.txt, 01_rnd_25.txt, 01_rnd_26.txt, 01_rnd_27.txt, 01_rnd_28.txt, 01_rnd_29.txt, 04_primes_01.txt, 04_primes_02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_max.txt | WA | 2 ms | 640 KB |
00_max2.txt | WA | 2 ms | 640 KB |
00_max3.txt | WA | 2 ms | 640 KB |
00_min.txt | WA | 1 ms | 256 KB |
00_sample_01.txt | WA | 1 ms | 256 KB |
00_sample_02.txt | WA | 1 ms | 256 KB |
00_sample_03.txt | WA | 1 ms | 256 KB |
00_sample_04.txt | WA | 1 ms | 256 KB |
01_rnd_00.txt | WA | 2 ms | 384 KB |
01_rnd_01.txt | WA | 1 ms | 256 KB |
01_rnd_02.txt | WA | 1 ms | 256 KB |
01_rnd_03.txt | WA | 2 ms | 384 KB |
01_rnd_04.txt | WA | 1 ms | 384 KB |
01_rnd_05.txt | WA | 2 ms | 384 KB |
01_rnd_06.txt | WA | 1 ms | 256 KB |
01_rnd_07.txt | WA | 1 ms | 256 KB |
01_rnd_08.txt | WA | 2 ms | 640 KB |
01_rnd_09.txt | WA | 2 ms | 512 KB |
01_rnd_10.txt | WA | 2 ms | 512 KB |
01_rnd_11.txt | WA | 2 ms | 512 KB |
01_rnd_12.txt | WA | 2 ms | 640 KB |
01_rnd_13.txt | WA | 2 ms | 384 KB |
01_rnd_14.txt | WA | 2 ms | 512 KB |
01_rnd_15.txt | WA | 1 ms | 256 KB |
01_rnd_16.txt | WA | 2 ms | 512 KB |
01_rnd_17.txt | WA | 2 ms | 640 KB |
01_rnd_18.txt | WA | 2 ms | 512 KB |
01_rnd_19.txt | WA | 1 ms | 256 KB |
01_rnd_20.txt | WA | 2 ms | 384 KB |
01_rnd_21.txt | WA | 2 ms | 384 KB |
01_rnd_22.txt | WA | 1 ms | 384 KB |
01_rnd_23.txt | WA | 2 ms | 512 KB |
01_rnd_24.txt | WA | 2 ms | 512 KB |
01_rnd_25.txt | WA | 2 ms | 640 KB |
01_rnd_26.txt | WA | 2 ms | 512 KB |
01_rnd_27.txt | WA | 2 ms | 384 KB |
01_rnd_28.txt | WA | 2 ms | 384 KB |
01_rnd_29.txt | WA | 2 ms | 640 KB |
04_primes_01.txt | WA | 3 ms | 640 KB |
04_primes_02.txt | WA | 3 ms | 640 KB |