From any string, we can form a subsequence of that string by deleting some number of characters (possibly no deletions). Given two strings source ...
原題鏈接在這里:https: leetcode.com problems shortest way to form string 題目: From any string, we can form asubsequenceof that string by deleting some number of characters possibly no deletions . Given two str ...
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From any string, we can form a subsequence of that string by deleting some number of characters (possibly no deletions). Given two strings source ...
Greedy Use two pointers, one for source: i, one for target: j. While j scan through target, ...
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 ...
描述 對於任何字符串,我們可以通過刪除其中一些字符(也可能不刪除)來構造該字符串的子序列。 給定源字符串 source 和目標字符串 target,找出源字符串中能通過串聯形成目標字符串的子序列的最 ...
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 ...