Cod sursa(job #153226)

Utilizator jeanFMI - Petcu Ion Cristian jean Data 10 martie 2008 12:09:26
Problema Divk Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream.h>
long a,b,n,x,v[500000],i,j,s,p=0,k;
int main()
{
ifstream f("divk.in");
ofstream g("divk.out");
f>>n>>k>>a>>b;
for(i=1;i<=n;i++)
 {f>>v[i];}//x;v[i]=x%k;}
for(i=1;i<=(n-a+1);i++)
{s=0;
for(j=i;j<=i+k,j<=n;j++)
 {s+=v[j];
  if(s%k==0&&(j-i+1)>=a&&(j-i+1)<=b) p++;
 }
}
g<<p;
f.close();
g.close();
return 0;
}