# Status Problem video Level Completes Likes 312 Remove Vowels from a given String Beginner % 0 305 Find number of Distinct Permutations of a String Medium % 0 302 Fizz Buzz Challenge Beginner % 0 300 Find the Largest Gap Between Elements in an Array Beginner % 0 299 Minimum number of guesses needed to find a number Beginner % 0 296 Replace all vowels with next consonant in a given string Medium % 0 293 Convert Number to base 3 String Representation Beginner % 1 257 Graph – Depth First Traversal Medium % 2 242 Find the Bit Flips Needed: Convert One Binary Number to Another Beginner % 1 241 Separate even and odd integers in a given array Beginner % 0 238 Separate 0’s and 1’s in a given array Beginner % 0 236 Find three elements in an array that sum to a given value Beginner % 1 234 Majority Element – Part 1 Beginner % 0 232 Check whether the given number is a perfect square Beginner % 0 230 Find the Index from which 0 starts Beginner % 0 229 Find the increasing OR decreasing point in an array Beginner % 0 228 Find the only element in array which appears only once Beginner % 1 227 Algorithm to calculate power(k,n). Beginner % 1 225 Swap two numbers without using extra variable Beginner % 0 224 Number of 1’s in bit representation of a number Beginner % 1 220 Find the right most unset bit OR zero bit of a number Beginner % 1 219 Find the two repeating elements in a given array | 6 Approaches Medium % 1 218 Find the right most set bit of a number Beginner % 1 217 Find two elements whose sum is closest to zero Medium % 1 214 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 Remove Vowels from a given String Find number of Distinct Permutations of a String Fizz Buzz Challenge Find the Largest Gap Between Elements in an Array Minimum number of guesses needed to find a number Replace all vowels with next consonant in a given string Convert Number to base 3 String Representation Graph – Depth First Traversal Find the Bit Flips Needed: Convert One Binary Number to Another Separate even and odd integers in a given array Separate 0’s and 1’s in a given array Find three elements in an array that sum to a given value Majority Element – Part 1 Check whether the given number is a perfect square Find the Index from which 0 starts Find the increasing OR decreasing point in an array Find the only element in array which appears only once Algorithm to calculate power(k,n). Swap two numbers without using extra variable Number of 1’s in bit representation of a number Find the right most unset bit OR zero bit of a number Find the two repeating elements in a given array | 6 Approaches Find the right most set bit of a number Find two elements whose sum is closest to zero 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 1 2 3