ou are given two strings s and t consisting of only lowercase English letters.
Return the minimum number of characters that need to be appended to the end of s so that t becomes a subsequence of s.
Given a positive integer n, find the pivot integer x such that:
1 and x inclusively equals the sum of all elements between x and n inclusively.
bisect 是一個 Python 的內建模組，其主要功能是維持一個排序後的 List 順序，讓該 List 在進行插入（insert）操作後無需重新排序整個 List。
Read More »[Python] 陣列二分演算法（Array bisection algorithm）bisect 筆記 今天我在建立深度學習模型時，因為返回的資訊缺漏，導致出現了以下這個錯誤訊息：
TypeError: cannot unpack non-iterable float object隨著專案開發計畫越來越講究執行速度、記憶體存取率，我們顯然很有必要了解自己的程式中，那些變數啊、物件啊究竟使用了多少的記憶體。
Read More »[Python] 如何計算變數、物件存取了多少記憶體 Given an m x n grid of characters board and a string word, return true if word exists in the grid.
You are given an m x n matrix maze (0-indexed) with empty cells (represented as '.') and walls (represented as '+'). You are also given the entrance of the maze, where entrance = [entrancerow, entrancecol] denotes the row and column of the cell you are initially standing at.