解释: 因为无重复字符的最长子串是 "abc",所以其长度为 3。 classSolution:deflengthOfLongestSubstring(self,s:str)->int:ifnot s:return0words=[]count=len(s)foriinrange(count):word=""forjinrange(i,count):ifs[j]notinword:word+=s[j]else:breakwords.append(len(word))returnmax(words)if__nam...
class Solution: def longestContinuousSubstring(self, s: str) -> int: sub_len = 1 max_len = 1 for i in range(1, len(s)): if ord(s[i]) - ord(s[i-1]) == 1: sub_len +=1 max_len = max(max_len, sub_len…
示例1: TestCase ▲点赞 7▼ # 需要导入模块: from solution import Solution [as 别名]# 或者: from solution.Solution importlengthOfLongestSubstring[as 别名]classTestCase(unittest.TestCase):defsetUp(self):self.solution = Solution()deftest_solution1(self):self.assertEqual(self.solution.lengthOfLong...
实现(python3) charDict存储每个字符以及字符出现的最后的位置, res为当前最长的的子串长度, st当前无重复子串的最左边字符的位置 class Solution(): def lengthOfLongestSubstring_1(self, s): if s == None or len(s) <= 0: return charDict, res, st = {},0,0 for i, ch in enumerate(s): if...
/usr/bin/pythonclassSolution(object):deflengthOfLongestSubstring(self, s):""":type s: str :rtype: int"""start=max_l=0 used_chart={}foriinrange(len(s)):print("s[i],i",s[i],i)ifs[i]inused_chartandstart <=used_chart[s[i]]:...
lengthOfLongestSubstring3对上述进行优化,遇到重复值没必要一个一个移动,左窗可以直接跳到str[重复值+1]的位置。 实现使用MAP记录每个值的位置,如果发现重复,让left_index直接跳到重复值位置+1。 代码语言:javascript 复制 i=Math.max(map.get(s.charAt(j))+1,i); ...
代码(Python3) class Solution: def longestContinuousSubstring(self, s: str) -> int: # ans 维护最长的字母序连续字符串的长度 ans: int = 0 # cnt 表示当前字母序连续字符串的长度, # 初始为字母序连续字符串仅由第一个字母组成,长度为 1 cnt: int = 1 # 遍历 s 中的每个字母 for i in range...
Code Clone HTTPSGitHub CLI Download ZIP Latest commit Git stats 2commits Failed to load latest commit information. Description Given a string, find the length of the longest substring without repeating characters. Example Given "abcabcbb", the answer is "abc", which the length is 3. Given "...
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Given a string you have to find out the length of the longest palindromic subsequence from the given string.Input: T Test case T no of input string will be given to you. E.g. 3 bghaufaght souabbuos sahajkhahas Constrain 1≤ length (string) ≤100 Output: Print the length of t...