우주수첩의 우주먼지

https://www.acmicpc.net/problem/1182  package BKD_0x0C_BackTracking;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.StringTokenizer;public class BOJ_1182 { static int N,S; static int[] arr= new int[30]; static int count=0; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReade..

https://www.acmicpc.net/problem/9663 package BKD_0x0C_BackTracking;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;public class BOJ_9663 { static int N; static int count=0; static boolean[] visited1 = new boolean[40]; static boolean[] visited2 = new boolean[40]; static boolean[] visited3= new boolean[40]; public static void main(String[..

https://www.acmicpc.net/problem/2448 package BKD_0x0B_Recursion;import java.io.*;public class BOJ_2448 { static int N; static char[][] arr; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); N = Integer.parseI..

https://www.acmicpc.net/problem/2447 package BKD_0x0B_Recursion;import java.io.*;public class BOJ_2447 { static char[][] arr; 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..