原题链接在这里:https://leetcode.com/problems/shortest-way-to-form-string/ 题目: From any string, we can form a subsequence of that string by deleting some ...
From any string, we can form asubsequenceof that string by deleting some number of characters possibly no deletions . Given two stringssourceandtarget, return the minimum number of subsequences ofsou ...
2021-03-28 12:18 0 549 推荐指数:
原题链接在这里:https://leetcode.com/problems/shortest-way-to-form-string/ 题目: From any string, we can form a subsequence of that string by deleting some ...
描述 对于任何字符串,我们可以通过删除其中一些字符(也可能不删除)来构造该字符串的子序列。 给定源字符串 source 和目标字符串 target,找出源字符串中能通过串联形成目标字符串的子序列的最小数量。如果无法通过串联源字符串中的子序列来构造目标字符串,则返回 -1。 示例 1: 输入 ...
Greedy Use two pointers, one for source: i, one for target: j. While j scan through target, ...
Given a non-empty string, encode the string such that its encoded length is the shortest. The encoding rule is: k[encoded_string], where ...
Given an array A of strings, find any smallest string that contains each string in A as a substring. We may assume that no string ...
Given a string S and a character C, return an array of integers representing the shortest distance from the character C in the string ...
Given a string s, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return the shortest palindrome you ...
We are given two strings, A and B. A shift on A consists of taking string A and moving the leftmost character to the rightmost position. ...