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 ...
Greedy Use two pointers, one for source: i, one for target: j. While j scan through target, try to match each char of j in source by moving i. Count how many times i goes through source end. ...
2019-10-03 14:16 0 844 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 ...
From any string, we can form a subsequence of that string by deleting some number of characters (possibly no deletions). Given two strings source ...
DP: Initially I think of 1D DP, dp[i] stands for the shortest string of first i characters, then: dp[i] = minLen{dp[k] + encode(substring ...
Given a non-empty string, encode the string such that its encoded length is the shortest. The encoding rule is: k[encoded_string], where ...
Problem Description: Given a list of words and two words word1 and word2, return the shortest distance between these two words in the list. ...
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 can ...
Given a non-empty string, encode the string such that its encoded length is the shortest. The encoding rule is: k[encoded_string], where ...
Shortest Palindrome Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return ...