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Top 20 Problems on Dynamic programming

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Top 10 Problems on Bits Manipulation

Top 15 Problems in LinkedList

All Problems

# Status Problem video Level Completes Likes
238

Separate 0’s and 1’s in a given array

Beginner % 0
237

Find three elements in an array that sum to a zero

Beginner % 0
236

Find three elements in an array that sum to a given value

Beginner % 1
235

Majority Element- Boyer–Moore majority vote algorithm

Medium % 0
234

Majority Element – Part 1

Beginner % 0
233

Find the local minima in a given array

Medium % 0
232

Check whether the given number is a perfect square

Beginner % 0
231

Check if array is sorted using recursion

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
226

Find remainder without using modulo operator

Beginner % 0
225

Swap two numbers without using extra variable

Beginner % 0
224

Number of 1’s in bit representation of a number

Beginner % 1
223

Stock Single Sell Problem - Dynamic Programming - O(n)

Medium % 2
222

Maximum Subarray OR Largest Sum Contiguous Subarray Problem – Divide and Conquer

Hard % 0
221

Identifying Maximum Gain from Sequential Elements

Medium % 0
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
216

Find the element which appears maximum number of times in the array

Medium % 0
215

Find duplicates in an given array in O(n) time and O(1) space

Medium % 0
214

Find the last non repeating character in a given string.

Beginner % 0
213

Find the last 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
210

k-Nearest Neighbors

Hard % 0
209

Find longest Snake sequence in a given matrix

Medium % 1
208

Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it

Medium % 1
207

Dynamic Programming - Count all paths from top left to bottom right of a mXn matrix

Medium % 1
206

Reverse the given Array without using built in function

Beginner % 0
204

Dynamic Programming - Edit Distance Problem

Hard % 2

Separate 0’s and 1’s in a given array

Find three elements in an array that sum to a zero

Find three elements in an array that sum to a given value

Majority Element- Boyer–Moore majority vote algorithm

Majority Element – Part 1

Find the local minima in a given array

Check whether the given number is a perfect square

Check if array is sorted using recursion

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).

Find remainder without using modulo operator

Swap two numbers without using extra variable

Number of 1’s in bit representation of a number

Stock Single Sell Problem - Dynamic Programming - O(n)

Maximum Subarray OR Largest Sum Contiguous Subarray Problem – Divide and Conquer

Identifying Maximum Gain from Sequential Elements

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 element which appears maximum number of times in the array

Find duplicates in an given array in O(n) time and O(1) space

Find the last non repeating character in a given string.

Find the last 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

k-Nearest Neighbors

Find longest Snake sequence in a given matrix

Dynamic Programming - Count all paths in 2D Matrix with Obstructions in it

Dynamic Programming - Count all paths from top left to bottom right of a mXn matrix

Reverse the given Array without using built in function

Dynamic Programming - Edit Distance Problem