数据结构算法操作试题(C++/Python)——有效的数独
数据结构算法操作试题(C++/Python):数据结构算法操作试题(C++/Python)——目录
1. 题目
leetcode 链接:https://leetcode-cn.com/problems/valid-sudoku/submissions/
2. 解答
python: 272ms, 11.9mb
class Solution(object):
def isValidSudoku(self, board):
"""
:type board: List[List[str]]
:rtype: bool
"""
for i in range(9):
if not self.isvalidList(board[i]) : return False
if not self.isvalidList([j[i] for j in board]) : return False
indexList = [0, 3, 6]
if i % 3 == 0:
for j in indexList:
numsList = []
numsList += board[i][j:j + 3]
numsList += board[i + 1][j:j + 3]
numsList += board[i + 2][j:j + 3]
print numsList
if not self.isvalidList(numsList) : return False
return True
def isvalidList(self, myList):
tmpList = []
for i in myList:
if i != "." and i in tmpList: return False
else: tmpList.append(i)
return True
其他方法看 leetcode 链接 评论区~