Given two strings s1 and s2, write a function to return true if s2 contains the permutation of s1. In other words, one of the first string's permutations is the substring of the second string. Example 1: Input:s1 = "ab" s2 = "eidbaooo" Output:True Explanation: s2 contains one per...
【英文】 Given two strings s1 and s2, write a function to return true if s2 contains the permutation of s1. In other words, one of the first string's permutations is the substring of the second string. Example 1: Input: s1 = "ab" s2 = "eidbaooo" Output: True Explanation: s2 con...
Description Given two strings s1 and s2, write a function to return true if s2 contains the permutation of s1. In other words, one of the first string’s permutations is the substring of the second string. Example 1: Input: s1 = "ab" s2 = "eidbaooo" 1. Output: True 1. Explanatio...
Kth Largest Number in a Stream (medium) ‘K’ Closest Numbers (medium) Maximum Distinct Elements (medium) Sum of Elements (medium) Rearrange String (hard) 13. Pattern: K-way merge,多路归并 K路归并能帮咱们解决那些涉及到多组排好序的数组的问题。 每当你的输入是K个排好序的数组,你就可以用堆...
The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequence (ie, for n = 3): "123" "132" "213" "231" "312" "321" Given n and k, return the kth permutation sequence. ...
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基础： 数组 array (string)，链表 linked list 高级：栈 stack，队列 queue，双端队列duque，集合 set...
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classSolution:defminimumString(self,a:str,b:str,c:str)->str:defmerge(a:str,b:str)->str:ifbina:returnaforiinrange(min(len(a),len(b)),0,-1):# 前后缀对比ifa[-i:]==b[:i]:returna+b[i:]returna+b ret=""fora,b,cinpermutations((a,b,c)):temp=merge(merge(a,b),c)# 优先...