Data Structure and Algorithms | 2020-05-22 Leetcode 210: Course Schedule II Question A extension on 207. Course Schedule. Given the relationship of n gro ...
Data Structure and Algorithms | 2020-05-17 Leetcode 207. Course Schedule Question Given the relationship of n groups of prerequisite courses, [m, n] means that n class mu ...
Data Structure and Algorithms | 2020-05-14 Leetcode 200. Number of Islands Question Given a two-dimensional array, 1 as the land and 0 as the sea, connecting the land to fo ...
Data Structure and Algorithms | 2020-04-19 Leetcode 130. Surrounded Regions Question It’s a little bit like Go, turning the O enclosed by X into X, and the O at the boundary ...