Submission #3432480
Source Code Expand
# include <cstdio> # include <iostream> # include <queue> # include <cstring> # include <string> # define mod 1000000007 # define R register int # define ll long long using namespace std; const int maxn=100100; int n,m,fac=1,h; int p[maxn],c[maxn]; ll f[maxn],inv[maxn]; ll ans=1; ll qui (ll a,ll b) { ll s=1; while (b) { if(b&1LL) s=s*a%mod; a=a*a%mod; b=b>>1LL; } return s; } ll C (int a,int b) { return f[b]*inv[a]%mod*inv[b-a]%mod; } int main() { scanf("%d%d",&n,&m); f[0]=1; for (R i=1;i<=n+50;++i) f[i]=1LL*i*f[i-1]%mod; inv[n+50]=qui(f[n+50],mod-2); for (R i=n+49;i;--i) inv[i]=inv[i+1]*(i+1)%mod; for (R i=2;1LL*i*i<=m;++i) { if(m%i==0) p[++h]=i; while (m%i==0) c[h]++,m/=i; } if(m!=1) p[++h]=m,c[h]=1; for (R i=1;i<=h;++i) ans=(ans*C(n-1,n+c[i]-1))%mod; printf("%lld",ans%mod); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Factorization |
User | shzr |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 890 Byte |
Status | WA |
Exec Time | 3 ms |
Memory | 1792 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:37:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^
Judge Result
Set Name | All | Sample | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 400 | 0 / 0 | ||||||
Status |
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Set Name | Test Cases |
---|---|
All | 0_small_1, 0_small_2, 0_small_3, 1_large_1, 1_large_2, 1_large_3, 2_large_1, 2_large_2, 3_prime_1, 3_prime_10, 3_prime_11, 3_prime_12, 3_prime_13, 3_prime_14, 3_prime_15, 3_prime_16, 3_prime_17, 3_prime_18, 3_prime_19, 3_prime_2, 3_prime_20, 3_prime_21, 3_prime_22, 3_prime_3, 3_prime_4, 3_prime_5, 3_prime_6, 3_prime_7, 3_prime_8, 3_prime_9, 4_hand_1, 4_hand_2, 4_hand_3, sample_01, sample_02, sample_03 |
Sample | sample_01, sample_02, sample_03 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_small_1 | AC | 1 ms | 256 KB |
0_small_2 | AC | 1 ms | 256 KB |
0_small_3 | AC | 1 ms | 256 KB |
1_large_1 | AC | 3 ms | 1664 KB |
1_large_2 | AC | 2 ms | 1024 KB |
1_large_3 | AC | 3 ms | 1792 KB |
2_large_1 | AC | 3 ms | 1792 KB |
2_large_2 | AC | 3 ms | 1792 KB |
3_prime_1 | AC | 3 ms | 1792 KB |
3_prime_10 | AC | 3 ms | 1792 KB |
3_prime_11 | AC | 3 ms | 1792 KB |
3_prime_12 | AC | 3 ms | 1792 KB |
3_prime_13 | AC | 3 ms | 1792 KB |
3_prime_14 | AC | 3 ms | 1792 KB |
3_prime_15 | AC | 3 ms | 1792 KB |
3_prime_16 | AC | 3 ms | 1792 KB |
3_prime_17 | AC | 3 ms | 1792 KB |
3_prime_18 | AC | 3 ms | 1792 KB |
3_prime_19 | AC | 3 ms | 1792 KB |
3_prime_2 | AC | 3 ms | 1792 KB |
3_prime_20 | AC | 3 ms | 1792 KB |
3_prime_21 | AC | 3 ms | 1792 KB |
3_prime_22 | AC | 3 ms | 1792 KB |
3_prime_3 | AC | 3 ms | 1792 KB |
3_prime_4 | AC | 3 ms | 1792 KB |
3_prime_5 | AC | 3 ms | 1792 KB |
3_prime_6 | AC | 3 ms | 1792 KB |
3_prime_7 | AC | 3 ms | 1792 KB |
3_prime_8 | AC | 3 ms | 1792 KB |
3_prime_9 | AC | 3 ms | 1792 KB |
4_hand_1 | AC | 3 ms | 1792 KB |
4_hand_2 | AC | 3 ms | 1792 KB |
4_hand_3 | WA | 1 ms | 256 KB |
sample_01 | AC | 1 ms | 256 KB |
sample_02 | AC | 1 ms | 256 KB |
sample_03 | AC | 3 ms | 1792 KB |