Cod sursa(job #3151315)

Utilizator G3K0Airinei Gabriel Vlad G3K0 Data 20 septembrie 2023 17:27:03
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.25 kb
#include <bits/stdc++.h>

using namespace std;
int n,nr,v[2000005];

int main()
{cin>>n;

    for(int i=2;i<=n;i++)
       if(v[i]==0)
       {for(int j=i;j<=n;j+=i)
        v[j]=1;
        nr++;
       }
       cout<<nr;

    return 0;
}