# 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

Maximum Difference between two elements in array – Largest Gap Problem

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

Number of bit to be flipped to convert one 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

Beginner % 0
146

Dynamic Programming - Stairs Climbing Puzzle

Beginner % 1
141

Find a Number occurring odd number of times in a Given array

Beginner % 1
120

Convert Decimal into Irreducible Fraction

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

Maximum Difference between two elements in array – Largest Gap Problem

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

Number of bit to be flipped to convert one 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

Dynamic Programming - Stairs Climbing Puzzle

Find a Number occurring odd number of times in a Given array

Convert Decimal into Irreducible Fraction

Delete X Nodes After Y Nodes In a Linked List

Get the Height of a Node in a Binary Tree