Strings `A` and `B` are `K`-similar (for some non-negative integer `K`) if we can swap the positions of two letters in `A` exactly `K` times so ...
Two strings X and Y are similar if we can swap two letters in different positions of X , so thatit equals Y . For example, tars and rats are similar swapping at positions and , and rats and arts are ...
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Strings `A` and `B` are `K`-similar (for some non-negative integer `K`) if we can swap the positions of two letters in `A` exactly `K` times so ...
需求 題庫系統中對題目進行重復度檢測,把所有重復的題目展示出來。 如何定義重復? 我剛開始是按100%重復,才算重復。 現在公司要求,70%的重復,也算重復。 分析 背景知識:題目=題干+選 ...
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. ...
Given an array of characters, compress it in-place. The length after compression must always be ...
A magical string S consists of only '1' and '2' and obeys the following rules: The string S is magical because ...
You are given an array `A` of strings. Two strings S and T are special-equivalent if after any num ...
這篇我們看看最長公共子序列的另一個版本,求字符串相似度(編輯距離),我也說過了,這是一個非常實用的算法,在DNA對比,網 頁聚類等方面都有用武之地。 一:概念 對於兩個字符串A和B,通過基本的增刪改將字符串A改成B,或者將B改成A,在改變的過程中我們使用的最少步驟稱之為“編輯距離 ...
余弦相似度 計算公式為: P(A,B) = sqrt(A × B) / (|A| × |B|) 設有兩個字符串: ABCDEFG ABCHIJK 其中共有11個字符,為: A B C D E F G H I J K 如果,不考慮他們之間的關聯性以及順序等隱私 ...