# Status Problem video Level Completes Likes 114 Counting Sort Algorithm Medium % 0 112 Generate All n-Bit Binary Strings Medium % 1 108 Queue with Stacks: Efficient Implementation Using Stack Operations Medium % 0 107 Alternate Splitting of a given Linked List Medium % 0 106 Reverse a Doubly-Linked List (In-place Algorithm) Medium % 0 105 Swapping Nodes in a Linked List (Kth Position) Medium % 0 104 Print the Bottom View of a Binary Tree Medium % 0 102 Merge Sort for Linked Lists (In-place Algorithm) 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 Subarray with Sum Equal to a Target Value Medium % 0 89 Find Smallest Subarray Exceeding a Target Sum Medium % 0 86 Find Kth Smallest or Largest element in an Array Medium % 0 85 Find Maximum Distance Between Increasing Elements in Array Medium % 0 83 Find Element in Rotated Sorted Array Medium % 0 81 Find Nodes X Levels Up from Leaf Nodes in a Tree Medium % 0 80 Find Nodes at Distance X from Root in a Tree Medium % 0 78 Root-to-Node Distance in Binary Tree: How to Find Medium % 0 76 Calculate Vertical Sum in Binary Tree Medium % 0 Counting Sort Algorithm Generate All n-Bit Binary Strings Queue with Stacks: Efficient Implementation Using Stack Operations Alternate Splitting of a given Linked List Reverse a Doubly-Linked List (In-place Algorithm) Swapping Nodes in a Linked List (Kth Position) Print the Bottom View of a Binary Tree Merge Sort for Linked Lists (In-place Algorithm) 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 Subarray with Sum Equal to a Target Value Find Smallest Subarray Exceeding a Target Sum Find Kth Smallest or Largest element in an Array Find Maximum Distance Between Increasing Elements in Array Find Element in Rotated Sorted Array Find Nodes X Levels Up from Leaf Nodes in a Tree Find Nodes at Distance X from Root in a Tree Root-to-Node Distance in Binary Tree: How to Find Calculate Vertical Sum in Binary Tree 1 2 3 4 5 6 7 8 9 10 11 12