题目:原题链接(简单)
标签:数组
解法 | 时间复杂度 | 空间复杂度 | 执行用时 |
Ans 1 (Python) | O ( N 2 ) | O ( 1 ) | 100ms (18.99%) |
Ans 2 (Python) | |||
Ans 3 (Python) |
解法一:
class Solution:
def validWordSquare(self, words: List[str]) -> bool:
for i in range(len(words)):
for j in range(len(words[i])):
if len(words) <= j or len(words[j]) <= i or words[i][j] != words[j][i]:
return False
return True