Cod sursa(job #2979025)
Utilizator | Data | 14 februarie 2023 18:44:36 | |
---|---|---|---|
Problema | Ciurul lui Eratosthenes | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.31 kb |
#include <iostream>
using namespace std;
int main()
{
int N,nr=0;
cin>>N;
for(int i=2;i<=N;i++){
int d=0;
for(int j=1;j*j<=i;j++){
if(i%j==0){
d++;
if(j*j!=i) d++;
}
}
if(d==2) nr++;
}
cout<<nr;
}