https://leetcode.com/problems/minesweeper/ with creating  maze\n\nhttps://leetcode.com/problems/shortest-path-in-binary-matrix/ with printing shortest path\n\nhttps://leetcode.com/problems/balance-a-binary-search-tree/\n\nSystem Design: Instagram \n\nPrepare well for HM round, use meta careers resources\n\n**`Sorry, wont be able to respond to comments. `**\n\n\n\n\n\n\n\n

https://leetcode.com/problems/minesweeper/ with creating  maze\n\nhttps://leetcode.com/problems/shortest-path-in-binary-matrix/ with printing shortest path\n\nh