Cod sursa(job #1529564)

Utilizator rostinVlad Matei rostin Data 21 noiembrie 2015 01:24:55
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<cstdio>

int divizori(int n)
{
int i;
int counter =0;
	for(i=2;i<=n/2;++i)
		if(!n%i)
		counter++;
return counter;

}

int main()

{
freopen("fractii.in","r",stdin);
freopen("fractii.out","w",stdout);

int n;

scanf("%d",&n);

int i;
int counter=n;

for(i=2;i<=n;++i)
{

	counter += i-divizori(i);
}

printf("%d",--counter);
}