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Coding Test/백준

[백준 2741번 - java] N찍기

by olli2 2021. 11. 4.

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

내 답안 - 1 Scanner 사용

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		
		int i = 0;
		
		Scanner s = new Scanner(System.in);
		int N = s.nextInt();
        s.close();
		
		for (i=1; i<=N; i++) {
			System.out.printf("%d\n",i);
		}
	}
}

 

내 답안 - 2 BufferedReader, BufferedWriter 사용

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

public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
		int N = Integer.parseInt(br.readLine());
		
		for (int i=1; i<=N; i++) {
			bw.write(i + "\n");
		}
		bw.flush();
		bw.close();
	}
}

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