题目描述

给定一个字符串，只包含大写字母，求在包含同一字母的子串中，长度第 k 长的子串的长度，相同字母只取最长的那个子串。

代码实现

# coding:utf-8
# 第K长的连续字母字符串长度
# https://www.nowcoder.com/discuss/353150502185672704?sourceSSR=searchclass Solution:def maxContinuousStr(self, s):res = dict()count = 1for i in range(len(s) - 1):if s[i] == s[i + 1]:count += 1else:if s[i] in res:res[s[i]] = max(res[s[i]], count)else:res[s[i]] = countcount = 1ret = sorted(res.items(), key=(lambda x: x[1]), reverse=True)return ret[k-1][1]if __name__ == '__main__':s = input("input S:").split(' ')[0]k = int(input('input K :').split(' ')[0])solution = Solution()print(solution.maxContinuousStr(s))