Delete space in pattern find
import java.util.*; class PatternFind { public static boolean search(int n, int m, char[][] words, String word) { for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (dfs(n, m, words, word, i, j, 0)) return true; } } return false; } public static boolean dfs(int n, int m, char[][] words, String word, int i, int j, int k) { if (k == word.length()) return true; if (i < 0 || i >= n || j < 0 || j >= m || words[i][j] != word.charAt(k)) return false; char temp = words[i][j]; words[i][j] = '#'; boolean found = dfs(n, m,...