Submission

Score: 100

User: porpeang

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-02 10:27:11

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

int main(){
    long long a,b,c,d,e,f,g;
    cin>>a;
    if(a<3){
        
    }
    else if(a==3){
        cout<<2;
    }
    else if(a==4){
        cout<<2<<'\n'<<3;
    }
    else{
        cout<<2<<'\n'<<3<<'\n';
        for(int i=5;i<a;i++){
            for(int j=2;j<=((i/2));j++){
                if(i%j==0){
                    b+=1;
                }
            
            }
            if(b==0){
                cout<<i<<'\n';
            }
            b=0;
        }
    }
}