Cod sursa(job #2020673)
Utilizator | Data | 11 septembrie 2017 14:31:08 | |
---|---|---|---|
Problema | Ratphu | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.67 kb |
#include <iostream>
#include <fstream>
#define DIM (1<<18)
using namespace std;
ifstream si("ratphu.in");
ofstream so("ratphu.out");
long long v[DIM][20];
int c[20],nr,r[210];
int main()
{
long long n;
int p;
si>>n>>p;
while(n)
{
c[nr++]=n%10;
n/=10;
}
for(int i=1;i<=p*10+9;++i)
r[i]=i%p;
v[0][0]=1;
for(int i=0;i<(1<<nr);++i)
{
for(int j=0;j<p;++j)
if(v[i][j])
for(int k=0;k<nr;++k)
{
if((i&(1<<k))==0)
v[i|(1<<k)][r[j*10+c[k]]]+=v[i][j];
}
}
so<<v[(1<<nr)-1][0];
}