Cod sursa(job #141915)
Utilizator | Procopliuc Adrian Procopliuc | Data | 23 februarie 2008 20:44:06 |
---|---|---|---|
Problema | Cifre | Scor | 50 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.36 kb |
# include <stdio.h>
long int a,b,i,c,k,l,x,q;
float y,z;
int main ()
{
freopen ("cifre.in","r",stdin);
freopen ("cifre.out","w",stdout);
scanf ("%li",&a);
scanf ("%li",&b);
scanf ("%li",&c);
scanf ("%li",&k);
for (i=a;i<=b;i++)
{l=0;
x=i;
while (x)
{
if ((x%10)==c)
l++;
x=x/10;
}
if (l>=k)
q++;
}
y=b-a+1;
z=q/y;
printf ("%.4f",z);
return 0;
}