Developer

import java.io.*; import java.util.*; public class MakingPassword { static BufferedReader br; static StringTokenizer st; static int l, c; static char[] arr; static StringBuilder sb; static Set gather; static boolean[] checked; public static void main(String[] args) throws IOException { input(); dfs(0, 0, ""); System.out.print(sb); } static void input() throws IOException{ br = new BufferedReader..

import java.io.*; import java.util.*; public class CharBoard { static BufferedReader br; static StringTokenizer st; static int[] dx = {-1, 1, 0, 0}; static int[] dy = {0, 0, -1, 1}; static char[] ansWord; static char[][] board; static int[][][] dp; static int n, m, k; static int ans; public static void main(String[] args) throws IOException{ input(); for(int i = 0; i < n; i++) { for(int j = 0; j..