Pagini recente » Cod sursa (job #1453549) | Cod sursa (job #2154846) | Cod sursa (job #1285122) | Clasament preONI 2007, Runda 1, Clasa a 9-a si gimnaziu | Cod sursa (job #1321123)
#include<cstdio>
#include<cstring>
#include<algorithm>
long long p, np[1 << 18][20];
int main()
{
long long n, c[20];
freopen("ratphu.in", "r", stdin);
freopen("ratphu.out", "w", stdout);
scanf("%lld %lld", &n, &p);
int s = 0;
while (n)
{
c[s++] = n % 10;
n /= 10;
}
std::reverse(c, c + s);
np[0][0] = 1;
for (int i = 0; i < (1 << s); ++i)
for (int j = 0; j < p; ++j)
if (np[i][j])
for (int k = 0; k < s; ++k)
if ((i & (1 << k)) == 0)
np[i | (1 << k)][(j * 10 + c[k]) % p] += np[i][j];
printf("%lld", np[(1 << s) - 1][0]);
return 0;
}