# Status Problem video Level Completes Likes 75 Print the Binary Tree in Vertical Order Path Medium % 0 73 Lowest Common Ancestor in a Binary Search Tree. Medium % 0 71 Given a binary tree, find out the maximum sum of value from root to each leaf Medium % 0 70 Reversing Alternate Levels in a Binary Tree Medium % 0 69 Convert Sorted Singly Linked List to Balanced Binary Search Tree Medium % 1 66 Convert a Sorted Doubly Linked List to Balanced BST Medium % 1 65 Given a binary tree, Find the Maximum Path Sum between Any Two Leaves Medium % 0 64 Print Left View of binary tree Medium % 0 63 Print Right View of Binary Tree Medium % 0 62 In a Binary Tree, Check if Two nodes has the same parent or are siblings Medium % 0 61 Determine If Two Nodes are Cousins Medium % 0 59 Print All Root-to-Leaf Paths in a Binary Tree Medium % 0 57 Sort an Array According to the Order Defined by Another Array Medium % 0 56 Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order. Medium % 0 55 Print Nodes Between Two Levels in Binary Tree Medium % 0 54 Maximum Width of a Binary Tree Medium % 0 53 Count occurrences of a number in a sorted array Medium % 0 50 Find the first repeated element in an array by its index Medium % 0 49 Find the Unreachable Minimum in Array Subsets Medium % 0 48 Determining Whether a Given Binary Tree is a Binary Search Tree (BST) Medium % 1 Print the Binary Tree in Vertical Order Path Lowest Common Ancestor in a Binary Search Tree. Given a binary tree, find out the maximum sum of value from root to each leaf Reversing Alternate Levels in a Binary Tree Convert Sorted Singly Linked List to Balanced Binary Search Tree Convert a Sorted Doubly Linked List to Balanced BST Given a binary tree, Find the Maximum Path Sum between Any Two Leaves Print Left View of binary tree Print Right View of Binary Tree In a Binary Tree, Check if Two nodes has the same parent or are siblings Determine If Two Nodes are Cousins Print All Root-to-Leaf Paths in a Binary Tree Sort an Array According to the Order Defined by Another Array Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order. Print Nodes Between Two Levels in Binary Tree Maximum Width of a Binary Tree Count occurrences of a number in a sorted array Find the first repeated element in an array by its index Find the Unreachable Minimum in Array Subsets Determining Whether a Given Binary Tree is a Binary Search Tree (BST) 1 2 3 4 5 6 7 8 9 10 11 12
