Problems

# Status Problem Level Completes Likes
316

Algorithm to calculate power(k,n).

Beginner % 0
317

Find remainder without using modulo operator

Beginner % 0
318

Swap two numbers without using extra variable

Beginner % 0
319

Number of 1’s in bit representation of a number

Beginner % 0
320

Stock Single Sell Problem - O(n) Solution

Hard % 1
321

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

Hard % 0
322

Maximum difference between two elements where larger element appears after the smaller element

Medium % 0
323

Find the right most unset bit OR zero bit of a number

Beginner % 0
324

Find the two repeating elements in a given array | 6 Approaches

Medium % 1
325

Find the right most set bit of a number

Beginner % 0
326

Find two elements whose sum is closest to zero

Medium % 0
327

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

Medium % 0
328

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

Medium % 0
329

Find the last non repeating character in a given string.

Beginner % 0
330

Find the last repeating character in a given string.

Beginner % 0
331

Find the first non repeating character in a given string

Beginner % 0
332

Find the first repeating character in a given string

Beginner % 0
333

k-Nearest Neighbors

Hard % 0
334

Find longest Snake sequence in a given matrix

Medium % 0
335

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

Medium % 0
336

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

Medium % 0
337

Reverse the given Array without using built in function

Beginner % 0
339

Dynamic Programming - Edit Distance Problem

Hard % 1
340

Dynamic Programming - Coin In a Line Game Problem

Hard % 0
341

Dynamic Programming - Box Stacking Problem

Hard % 0
342

Dynamic Programming - Split the String into Minimum number of Palindromes.

Hard % 0
343

Dynamic Programming - Highway Billboard Problem

Hard % 0
344

Dynamic Programming - Maximum Subarray Problem

Medium % 0
345

Kadane's Algorithm - Maximum Subarray Problem

Medium % 0
346

Convert Binary Tree into Threaded Binary Tree

Hard % 0
347

Double Threaded Binary Tree Complete Implementation

Hard % 0
348

Single Threaded Binary Tree Complete Implementation

Hard % 0
349

Introduction to Threaded Binary Tree

Medium % 0
350

Implement Stack Using Linked List

Beginner % 0

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 - O(n) Solution

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

Maximum difference between two elements where larger element appears after the smaller element

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) extra 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

Dynamic Programming - Coin In a Line Game Problem

Dynamic Programming - Box Stacking Problem

Dynamic Programming - Split the String into Minimum number of Palindromes.

Dynamic Programming - Highway Billboard Problem

Dynamic Programming - Maximum Subarray Problem

Kadane's Algorithm - Maximum Subarray Problem

Convert Binary Tree into Threaded Binary Tree

Double Threaded Binary Tree Complete Implementation

Single Threaded Binary Tree Complete Implementation

Introduction to Threaded Binary Tree

Implement Stack Using Linked List