题解 | #判断回文#
判断回文
http://www.nowcoder.com/practice/e297fdd8e9f543059b0b5f05f3a7f3b2
# # 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 # # @param str string字符串 待判断的字符串 # @return bool布尔型 # class Solution: def judge(self , str ): # write code here n = len(str) if n <= 1: return True lo, hi = 0, n-1 while lo <= hi: if str[lo] != str[hi]: return False lo += 1 hi -= 1 return True