Cod sursa(job #2628048)

Utilizator Alexandra1Ceobanu Alexandra Alexandra1 Data 14 iunie 2020 10:20:13
Problema Fractii Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream>
#include<math.h>
using namespace std;

int main()
{
ifstream f("fractii.in");
ofstream g("fractii.out");
	int N,div=0,i,total,j;
	f>>N;

	
		for(j=1;j<=N;j++)
	{
	for(i=2;i<=sqrt(j);i++)
	{
		if(j%i==0)
		++div;
	}}
	total=N*N-(N-1)-(2*div);
	g<<total;
	return 0;
}