Problems # Status Problem Level Completes Likes 141 Find the Deepest Left Node in a Binary Tree. Medium % 0 142 Rearrange the Array of Given Range N, such that A[i]=i Medium % 1 143 Print All Paths From Root In a Binary Tree Whose Sum is Equal to a Given Number Medium % 0 144 Do the Reverse Level Order Traversal in a binary tree Medium % 0 145 Find the Deepest Node in a Binary Tree. Medium % 0 146 Find the Height of a tree without using Recursion Medium % 0 147 Find All the Well Ordered Permutations of a Given String. Medium % 0 148 Find the Increasing Triplet Sub-sequence in an array Medium % 0 149 Track the Maximum Element in a Stack. Medium % 0 150 Counting Sort Medium % 0 151 Generate All Strings of n bits. Medium % 0 152 Implement Queue Using Stacks Medium % 0 153 Alternate Splitting of a given Linked List Medium % 0 154 Reverse The Doubly Linked List Medium % 0 155 Swap Kth Node from the front with the Kth Node from the End Medium % 0 156 Print the Bottom View of the Binary Tree. Medium % 0 157 Merge Sort in a Linked list Medium % 0 158 Merge a Linked list into another Linked List at Alternate Positions. Medium % 0 159 Print The Top View of a Binary Tree Medium % 0 160 Check if Array Contains All Elements Of Some Given Range Medium % 0 161 Find the subarray with sum to a Given Value. Medium % 0 162 In an Array, find the Smallest Subarray with Sum Greater than the Given Value Medium % 0 163 Find Kth Smallest or Largest element in an Array. Medium % 0 164 Given an array arrA[], find the maximum j – i such that arr[j] > arr[i]. Medium % 0 165 Search an Element in a Rotated Sorted Array Medium % 0 166 Print All The Nodes Which are X distance from the Leaf Nodes Medium % 0 167 Print All The Nodes Which are X distance from the Root Medium % 0 168 Find The Distance From Root To Given Node of a Binary Tree. Medium % 0 169 Print the Vertical Sum in binary Tree . Medium % 0 170 Print the Binary Tree in Vertical Order Path. Medium % 0 171 Lowest Common Ancestor in a Binary Search Tree. Medium % 0 172 Given a binary tree, find out the maximum sum of value from root to each leaf. Medium % 0 173 Reverse Alternate levels of a given Binary Tree. Medium % 0 174 Given a Sorted Singly Linked List Array, Convert it into a Balanced Binary search Tree. Medium % 0 175 Convert a Sorted Doubly Linked List to Balanced BST. Medium % 0 Find the Deepest Left Node in a Binary Tree. Rearrange the Array of Given Range N, such that A[i]=i Print All Paths From Root In a Binary Tree Whose Sum is Equal to a Given Number Do the Reverse Level Order Traversal in a binary tree Find the Deepest Node in a Binary Tree. Find the Height of a tree without using Recursion Find All the Well Ordered Permutations of a Given String. Find the Increasing Triplet Sub-sequence in an array Track the Maximum Element in a Stack. Counting Sort Generate All Strings of n bits. Implement Queue Using Stacks Alternate Splitting of a given Linked List Reverse The Doubly Linked List Swap Kth Node from the front with the Kth Node from the End Print the Bottom View of the Binary Tree. Merge Sort in a Linked list Merge a Linked list into another Linked List at Alternate Positions. Print The Top View of a Binary Tree Check if Array Contains All Elements Of Some Given Range Find the subarray with sum to a Given Value. In an Array, find the Smallest Subarray with Sum Greater than the Given Value Find Kth Smallest or Largest element in an Array. Given an array arrA[], find the maximum j – i such that arr[j] > arr[i]. Search an Element in a Rotated Sorted Array Print All The Nodes Which are X distance from the Leaf Nodes Print All The Nodes Which are X distance from the Root Find The Distance From Root To Given Node of a Binary Tree. Print the Vertical Sum in binary Tree . 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. Reverse Alternate levels of a given Binary Tree. Given a Sorted Singly Linked List Array, Convert it into a Balanced Binary search Tree. Convert a Sorted Doubly Linked List to Balanced BST. 1 2 3 4 5 6 7