Pagini recente » Cod sursa (job #1051384) | Cod sursa (job #2628944) | Cod sursa (job #2556427) | Cod sursa (job #1247381) | Cod sursa (job #465739)
Cod sursa(job #465739)
#include<cstdio>
int nr,nrp,k,cf[21],st[21];
void bb(int x, int ss[21])
{
if(x!=nr+1)
{
for(int i=1;i<=nr;i++)
{
ss[x]=i;
int da=1;
for(int j=1;j<x;j++)
if(ss[x]==ss[j])
{
da=0;
break;
}
if(da)
bb(x+1,ss);
}
}
else
{
int yt=0;
for(int i=1;i<=nr;i++)
{
int y=cf[ss[i]]%k;
for(int j=1;j<=nr-i;j++)
{
y=(y*10)%k;
if(y==0)
break;
}
yt=(yt+y)%k;
}
if(yt==0)
nrp++;
}
}
int main()
{
char s[30];
freopen("ratphu.in","r",stdin);
freopen("ratphu.out","w",stdout);
gets(s);
int i,j;
for(i=0;s[i]!=' ';i++)
{
cf[i+1]=s[i]-48;
}
k=0;
for(j=i+1;s[j];j++)
k=k*10+(s[j]-48);
nr=i; nrp=0;
bb(1,st);
printf("%d\n",nrp);
return 0;
}