10871 X보다 작은 수

10871 X보다 작은 수

* BufferedReader, StringBuilder, StringTokenizer

import java.io.*; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String line = br.readLine(); String nums = br.readLine(); br.close(); StringTokenizer token = new StringTokenizer(line); int n = Integer.parseInt(token.nextToken()); int x = Integer.parseInt(token.nextToken()); StringTokenizer tokenN = new StringTokenizer(nums); StringBuilder sb = new StringBuilder(); for(int i=0; i

배열을 사용하는 방법 ( 위 코드보다 3배 느림 )

* Scanner

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int N = in.nextInt(); int X = in.nextInt(); int arr[] = new int[N]; for (int i = 0; i < N; i++) { arr[i] = in.nextInt(); } in.close(); for (int i = 0; i < N; i++) { if (arr[i] < X) { System.out.print(arr[i] + " "); } } } }

from http://sieghart.tistory.com/48 by ccl(A) rewrite - 2021-09-13 15:00:57