J. Primes from 1 to n(#)

#include <bits/stdc++.h>
using namespace std;

void printPrime(int n){     //n is the itnerval between 1 and n inclusive
    int i=2;

    while(i<=n){
        bool isPrime = true;
        for(int j=2;j<=i/2;j++){    //Note: the condition is j<=i/2
            if(i%j==0){
                isPrime=false;
                break;
            }
        }
        if(isPrime==true) cout<<i<<" ";
        i++;
    }
}

int main(){
    int n;
    cin>>n;
    printPrime(n);

    return 0;
}



link - https://codeforces.com/group/MWSDmqGsZm/contest/219432/problem/J