# Status Problem video Level Completes Likes 214 Find the last non repeating character in a given string. Beginner % 0 212 Find the first non repeating character in a given string Beginner % 0 211 Find the first repeating character in a given string Beginner % 0 193 Implement Stack Using Linked List Beginner % 0 178 Search the Element in a binary tree - With and Without Recursion Beginner % 0 155 Find the Kth Smallest/Largest Element in an Array Using Heap Beginner % 0 146 Dynamic Programming - Stairs Climbing Puzzle Beginner % 1 141 Find the Single Occurrence Element in an Array (Odd One Out) Beginner % 1 120 Convert Decimal to Irreducible Fraction (Simplified Form) Beginner % 0 103 Delete X Nodes After Y Nodes In a Linked List Beginner % 0 37 Get the Height of a Node in a Binary Tree Medium % 0 33 Reverse the binary representation of a number. Medium % 1 26 Check if one string is Rotation of another string Beginner % 1 13 Print All Elements of Two Dimensional Array in Spiral Order Medium % 0 9 Valid or Well Formed Parentheses | Part - 1 Medium % 0 8 Efficient Search in 2D Sorted Array: Find an Element Medium % 0 7 Determine If a String is Palindrome Beginner % 0 5 Find two Missing Numbers in a Sequence of Consecutive Numbers Beginner % 0 4 Find a Missing Number From a Sequence of Consecutive Numbers Beginner % 0 Find the last non repeating character in a given string. Find the first non repeating character in a given string Find the first repeating character in a given string Implement Stack Using Linked List Search the Element in a binary tree - With and Without Recursion Find the Kth Smallest/Largest Element in an Array Using Heap Dynamic Programming - Stairs Climbing Puzzle Find the Single Occurrence Element in an Array (Odd One Out) Convert Decimal to Irreducible Fraction (Simplified Form) Delete X Nodes After Y Nodes In a Linked List Get the Height of a Node in a Binary Tree Reverse the binary representation of a number. Check if one string is Rotation of another string Print All Elements of Two Dimensional Array in Spiral Order Valid or Well Formed Parentheses | Part - 1 Efficient Search in 2D Sorted Array: Find an Element Determine If a String is Palindrome Find two Missing Numbers in a Sequence of Consecutive Numbers Find a Missing Number From a Sequence of Consecutive Numbers 1 2 3 4
