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Cod sursa(job #681170)
#include<cstdio>
using namespace std;
FILE *f,*g;
long nr,i,j,r,d,a[5000000],b[5000000];
int main()
{f=fopen("pascal.in","r");
g=fopen("pascal.out","w");
fscanf(f,"%ld%ld",&r,&d);
a[1]=1;
for(i=2;i<=r+1;i++)
{for(j=1;j<=i;j++)
b[j]=a[j-1]+a[j];
for(j=1;j<=i;j++)
a[j]=b[j];
}
for(i=1;i<=r+1;i++)
if(a[i]%d==0)
nr++;
fprintf(g,"%d",nr);
fclose(f);
fclose(g);
return 0;
}