[BOJ] 백준 2741번: N 찍기 (Java)

문제링크

https://www.acmicpc.net/problem/2741

2741번: N 찍기

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나의코드

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
              
        int n = Integer.parseInt(br.readLine());
        br.close();
        
        StringBuilder sb = new StringBuilder();
        
        int num = 1;
        
        while(num <= n){
            sb.append(num + "\n");
            num++;
        }
        System.out.print(sb);
    }
}