# Status Problem video Level Completes Likes 167 Generate Well Ordered Passwords of a Given Length K Medium % 0 166 All N Length Strings from Given String of Length K Medium % 0 163 Dynamic Programming - Maximum size square sub-matrix with all 1s Medium % 1 160 Dynamic Programming - Longest Increasing Subsequence Medium % 1 145 Dynamic Programming - Minimum Coin Change Problem Medium % 1 142 Find the Deepest Left Node in a Binary Tree. Medium % 0 140 Rearrange the Array of Given Range N, such that A[i]=i Medium % 0 135 Print All Paths From Root In a Binary Tree Whose Sum is Equal to a Given Number Medium % 0 133 Do the Reverse Level Order Traversal in a binary tree Medium % 0 132 Find the Deepest Node in a Binary Tree. Medium % 1 131 Find the Height of a tree without using Recursion Medium % 0 126 Find All the Well Ordered Permutations of a Given String. Medium % 0 125 Find the Increasing Triplet Sub-sequence in an array Medium % 0 117 Track the Maximum Element in a Stack. Medium % 1 116 Print All Possible Valid Combinations Of Parenthesis of Given 'N' Medium % 1 114 Counting Sort Medium % 0 112 Generate All Strings of n bits Medium % 1 108 Implement Queue Using Stacks Medium % 0 107 Alternate Splitting of a given Linked List Medium % 0 106 Reverse The Doubly Linked List Medium % 0 105 Swap Kth Node from the front with the Kth Node from the End Medium % 0 104 Print the Bottom View of the Binary Tree. Medium % 0 102 Merge Sort in a Linked list Medium % 0 101 Merge a Linked list into another Linked List at Alternate Positions. Medium % 0 96 Print The Top View of a Binary Tree Medium % 0 92 Check if Array Contains All Elements Of Some Given Range Medium % 0 90 Find the subarray with sum to a Given Value. Medium % 0 89 In an Array, find the Smallest Subarray with Sum Greater than the Given Value Medium % 0 86 Find Kth Smallest or Largest element in an Array. Medium % 0 85 Given an array arrA[], find the maximum j – i such that arr[j] > arr[i]. Medium % 0 83 Search an Element in a Rotated Sorted Array Medium % 0 81 Print All The Nodes Which are X distance from the Leaf Nodes Medium % 0 80 Print All The Nodes Which are X distance from the Root Medium % 0 78 Find The Distance From Root To Given Node of a Binary Tree. Medium % 0 76 Print the Vertical Sum in binary Tree Medium % 0 Generate Well Ordered Passwords of a Given Length K All N Length Strings from Given String of Length K Dynamic Programming - Maximum size square sub-matrix with all 1s Dynamic Programming - Longest Increasing Subsequence Dynamic Programming - Minimum Coin Change Problem 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. Print All Possible Valid Combinations Of Parenthesis of Given 'N' 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 1 2 3 4 5 6 7