題目： There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to take course 0 you ...

There are n different online courses numbered from 1 to n. Each course has some duration(course length) tand closed on dth day. A course should ...

There are a total of n courses you have to take, labeled from 0 to n-1. Some courses may have prerequisites, for example to take course 0 you ...

There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to take course 0 you have ...

LeetCode：課程表【207】 題目描述 現在你總共有 n 門課需要選，記為 0 到 n-1。 在選修某些課程之前需要一些先修課程。 例如，想要學習課程 0 ，你需要先完成課程 1 ，我們用一個匹配來表示他們: [0,1] 給定課程總量以及它們的先決條件，判斷是否可能完成所有課程的學習 ...

題目： 課程表，有n個課程，[0, n-1]；在修一個課程前，有可能要修前導課程； 舉例： There are a total of 2 courses to take. To take course 1 you should have finished course 0. So ...

1.創建時顯示不支持64位虛擬機 測試環境： 華為matebook14 window10 專業工作站版 1903 問題描述： 創建 ...

也刷leetcode， 先把鎖掉的題目留備份好了： 156 Binary Tree Upside Down [1] Problem: Given a binary tree where all the right nodes ...