Submission

Score: 100

User: tull

Problemset: จำนวนเฉพาะ (2560)

Language: cpp

Time: 0.005 second

Submitted On: 2026-05-06 09:42:11

#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define bp '\n'
#define vp cout<<'\n';
#define all(A) A.begin(),A.end()
using pii=pair<int,int>;
const int MOD=1e9+7;
const int MNLL=-1e18;
const int MXLL=1e18;
const int N=2e5+10;
int p[104];
signed main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    int n;
    cin>>n;
    for(int i=2;i<n;++i){
        if(p[i]==0){
            cout<<i<<'\n';
            for(int j=i*i;j<n;j+=i){
                p[j]=1;
            }
        }
    }
    
}