Implement UNDO & REDO. Explained and Solved simplest design. скачать в хорошем качестве

Implement UNDO & REDO. Explained and Solved simplest design.

You are given a text document that is initially empty. You need to complete the following functions: void append(char x) - Append the character x to the end of the document. void undo() - Undo the most recent APPEND operation (remove the last appended character). void redo() - Reapply the most recent undone operation (restore the last character removed by UNDO). string read() - Return the current content of the document as a string. LIKE the video, COMMENT if you have any questions and SHARE it with your loved once's. SeaU Get the origin: https://www.geeksforgeeks.org/problem... #dsa #algorithm #interview #interviewexperiences #coding #codingforbeginners #codingtutorial #geeksforgeeks #linkedlist #list #merge #mergelist #flat #flattening