79 https://leetcode.com/problems/word-search/ dfs로 푼다. from collections import deque class Solution(object): def exist(self, board, word): #board = [["A","B","C","E"], # ["S","F","E","S"], # ["A","D","E","E"]] #word = "ABCESEEEFS" #board = [["A","B","C","E"], # ["S","F","C","S"], # ["A","D","E","E"]] #word = "ABCB" queue = deque() row_len = len(board) col_len = len(board[0]) for i in xrange(row_..