Submission #1572991
Source Code Expand
#include<stdio.h> int mbk(long long a,int n,int m){return n?(mbk((a*a)%m,n/2,m)*(n%2?a:1))%m:1;} int inv(int a,int m){return mbk((long long)a,m-2,m);} int aCb(int a,int b,int m){ long long s=1,i; if(b>a-b)b=a-b; for(i=0;i<b;i++)s=(((s*(a-i))%m)*inv(i+1,m))%m; return (int)s; } int main(){ long long n,m,i,j,s=1,M=1e9+7; scanf("%lld %lld",&n,&m); m--; if(n<0)n=-n; for(i=2;i*i<=n;i++){ for(j=0;n%i==0;j++)n/=i; s=s*aCb(j+m,m,M)%M; } if(n-1)s=s*(m+1)%M; printf("%lld\n",(s*mbk(2,m,M))%M); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - 表現の自由 ( Freedom of expression ) |
User | yuiop |
Language | C (GCC 5.4.1) |
Score | 100 |
Code Size | 542 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.c: In function ‘main’: ./Main.c:12:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld",&n,&m); ^
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
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Set Name | Test Cases |
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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 | AC | 0 ms | 128 KB |
00_max2.txt | AC | 0 ms | 128 KB |
00_max3.txt | AC | 1 ms | 128 KB |
00_min.txt | AC | 0 ms | 128 KB |
00_sample_01.txt | AC | 1 ms | 128 KB |
00_sample_02.txt | AC | 1 ms | 128 KB |
00_sample_03.txt | AC | 0 ms | 128 KB |
00_sample_04.txt | AC | 0 ms | 128 KB |
01_rnd_00.txt | AC | 0 ms | 128 KB |
01_rnd_01.txt | AC | 1 ms | 128 KB |
01_rnd_02.txt | AC | 1 ms | 128 KB |
01_rnd_03.txt | AC | 1 ms | 128 KB |
01_rnd_04.txt | AC | 0 ms | 128 KB |
01_rnd_05.txt | AC | 0 ms | 128 KB |
01_rnd_06.txt | AC | 1 ms | 128 KB |
01_rnd_07.txt | AC | 1 ms | 128 KB |
01_rnd_08.txt | AC | 0 ms | 128 KB |
01_rnd_09.txt | AC | 1 ms | 128 KB |
01_rnd_10.txt | AC | 0 ms | 128 KB |
01_rnd_11.txt | AC | 0 ms | 128 KB |
01_rnd_12.txt | AC | 0 ms | 128 KB |
01_rnd_13.txt | AC | 1 ms | 128 KB |
01_rnd_14.txt | AC | 0 ms | 128 KB |
01_rnd_15.txt | AC | 1 ms | 128 KB |
01_rnd_16.txt | AC | 0 ms | 128 KB |
01_rnd_17.txt | AC | 1 ms | 128 KB |
01_rnd_18.txt | AC | 1 ms | 128 KB |
01_rnd_19.txt | AC | 0 ms | 128 KB |
01_rnd_20.txt | AC | 1 ms | 128 KB |
01_rnd_21.txt | AC | 0 ms | 128 KB |
01_rnd_22.txt | AC | 1 ms | 128 KB |
01_rnd_23.txt | AC | 1 ms | 128 KB |
01_rnd_24.txt | AC | 1 ms | 128 KB |
01_rnd_25.txt | AC | 1 ms | 128 KB |
01_rnd_26.txt | AC | 0 ms | 128 KB |
01_rnd_27.txt | AC | 1 ms | 128 KB |
01_rnd_28.txt | AC | 0 ms | 128 KB |
01_rnd_29.txt | AC | 0 ms | 128 KB |
04_primes_01.txt | AC | 1 ms | 128 KB |
04_primes_02.txt | AC | 1 ms | 128 KB |