zwfang

#!/usr/bin/env python3
"""
Given a 2D board and a word, find if the word exists in the grid.

The word can be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertically neighboring. The same letter cell may not be used more than once.

Example:

board =
[

zwfang

#!/usr/bin/env python3
import copy


class Solution:
    def __init__(self):
        self.res = []
    
    def combine(self, n, k):
        """

zwfang

/************************************************************/
/**               马踏棋盘算法(骑士周游问题)                  **/
/************************************************************/

#include <stdio.h>
#include <time.h>

#define X 8
#define Y 8