BINARY TREE LEVEL ORDER TRAVERSAL +========+ Time: 30 minutes - 1 hour Difficulty: Medium Languages: Any +========+ Given the root of a binary tree, implement a function that performs a level-order traversal of the tree, and returns a list of lists, where each list contains the nodes at that level. +========+ Please answer to this message with your solution 🙂
BINARY TREE LEVEL ORDER TRAVERSAL +========+ Time: 30 minutes - 1 hour Difficulty: Medium Languages: Any +========+ Given the root of a binary tree, implement a function that performs a level-order traversal of the tree, and returns a list of lists, where each list contains the nodes at that level. +========+ Please answer to this message with your solution 🙂
BY Programming Challenges
Warning: Undefined variable $i in /var/www/tg-me/post.php on line 283
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
Mr. Durov launched Telegram in late 2013 with his brother, Nikolai, just months before he was pushed out of VK, the Russian social-media platform he founded. Mr. Durov pitched his new app—funded with the proceeds from the VK sale—less as a business than as a way for people to send messages while avoiding government surveillance and censorship.
