Cod sursa(job #155764)
Utilizator | Gabi Munteanu gabyboss29 | Data | 12 martie 2008 09:59:43 |
---|---|---|---|
Problema | Cifre | Scor | 50 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<fstream.h>
#include<iomanip.h>
unsigned long a,b,c,k,x,nrc,nr,i,y;
float prob;
int main()
{ifstream f("cifre.in");
ofstream g("cifre.out");
f>>a>>b>>c>>k;
for(i=a;i<=b;i++)
{x=i;nrc=0;y=1;
while((x)&&(nrc!=k))
{if(x%10==c)
nrc++;
x=x/10;}
if(nrc==k)
nr++;
}
g<<setprecision (4)<<(float)nr/(b-a+1);
f.close();
g.close();
return 0;
}