Cod sursa(job #273859)

Utilizator 630r63Ilinca George Mihai 630r63 Data 9 martie 2009 09:48:46
Problema Suma divizorilor Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.4 kb
#include<fstream>
using namespace std;
ifstream f("sumdiv.in");
ofstream g("sumdiv.out");
int divid(long a,long b)
{
	while(a>b) a-=b;
return a;	
}
int main()
{
	long a,b,i;
	long long int p=1,s=0;
	f>>a>>b;
	for(i=1;i<=b;i++) p*=a;
	for(i=2;i+i<=p;i++) if(!(p%i))s+=i;
	s+=1+p;
	if(s<9901) g<<s;
	if(s==9901) g<<"0";
	if(s>9901) g<<divid(s,9901);
	f.close();
	g.close();
	return 0;
}