Cod sursa(job #2524489)

Utilizator bitlanandreea bitlan bitlan Data 15 ianuarie 2020 20:01:52
Problema Ciurul lui Eratosthenes Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.24 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>
using namespace std;
ifstream in("ciur.in");
ofstream out("ciur.out");

int main(){
	int n;
	in>>n;
	int k;
	k= n-(n/2)-(n/3)-(n/5)-(n/7)+3 +(n/6)+(n/10)+(n/14)+(n/15)+(n/21)+(n/35);
	out<<k;
}