Cod sursa(job #840600)

Utilizator gabriel.badeaGabriel Badea gabriel.badea Data 22 decembrie 2012 22:01:32
Problema Suma divizorilor Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.51 kb
#include <stdio.h>
#include <math.h>
#include <stdlib.h>

int main()
{
	FILE *f1, *f2;
	long int a, b, c, i;
	long int s = 0;
	f1 = fopen("sumdiv.in", "r");

	fscanf(f1,"%ld%ld", &a, &b);
	c = a;
	for(i=1;i<b;i++)
		a *= c;
	f2 = fopen("sumdiv.out", "w");
	if(a == 0)
		fprintf(f2, "0");
	else
	{
	if(a % 2 == 1)
	{
		for(i=1;i<=a/2;i=i+2)
			if(a % i == 0)
				s += i;
	}
	else
		for(i=1;i<=a/2;i++)
			if(a % i == 0)
				s += i;
	fprintf(f2,"%d", (s+a) % 9901);
	}
	return 0;
}