Problems

# Status Problem Level Completes Likes
421

Goldbach's Conjecture

Beginner % 0
423

Convert Decimal into Irreducible Fraction

Beginner % 0
424

Clock Angle Problem

Beginner % 1
426

Track the Maximum Element in a Stack.

Medium % 0
428

Graph Representation - Adjacency Matrix and Adjacency List

Beginner % 1
429

Counting Sort

Medium % 0
430

Towers Of Hanoi

Beginner % 0
431

Generate All Strings of n bits.

Medium % 0
432

Find The Missing Duplicate in a Given Array.

Beginner % 0
433

Sort 3 Integers without using if condition OR use only Max() function.

Beginner % 0
434

Euclidean algorithm - Greatest Common Divisor(GCD)

Beginner % 0
435

Implement Queue Using Stacks

Medium % 0
436

Alternate Splitting of a given Linked List

Medium % 0
437

Reverse The Doubly Linked List

Medium % 0
438

Swap Kth Node from the front with the Kth Node from the End

Medium % 0
440

Delete X Nodes After Y Nodes In a Linked List

Beginner % 0
441

Merge Sort in a Linked list

Medium % 0
442

Merge a Linked list into another Linked List at Alternate Positions.

Medium % 0
443

AVL Tree - Insertion

Hard % 0
444

Construct a binary tree from given Inorder and Level Order Traversal

Hard % 0
445

Construct Binary Search Tree from a given Preorder Traversal Using Stack (Without Recursion)

Hard % 0
446

Construct Binary Search Tree from a given Preorder Traversal using Recursion

Hard % 0
449

Depth First Search/Traversal in Binary Tree

Beginner % 0
450

Inorder Predecessor and Successor in Binary Search Tree

Hard % 0
451

Check if Array Contains All Elements Of Some Given Range

Medium % 0
452

Check if Array is Consecutive Integers

Beginner % 0
453

Find the subarray with sum to a Given Value.

Medium % 0
454

In an Array, find the Smallest Subarray with Sum Greater than the Given Value

Medium % 0
455

Rearrange Positive and Negative Elements at Alternate Positions in an Array In O(1) Extra Space

Hard % 0

Goldbach's Conjecture

Convert Decimal into Irreducible Fraction

Clock Angle Problem

Track the Maximum Element in a Stack.

Graph Representation - Adjacency Matrix and Adjacency List

Counting Sort

Towers Of Hanoi

Generate All Strings of n bits.

Find The Missing Duplicate in a Given Array.

Sort 3 Integers without using if condition OR use only Max() function.

Euclidean algorithm - Greatest Common Divisor(GCD)

Implement Queue Using Stacks

Alternate Splitting of a given Linked List

Reverse The Doubly Linked List

Swap Kth Node from the front with the Kth Node from the End

Delete X Nodes After Y Nodes In a Linked List

Merge Sort in a Linked list

Merge a Linked list into another Linked List at Alternate Positions.

AVL Tree - Insertion

Construct a binary tree from given Inorder and Level Order Traversal

Construct Binary Search Tree from a given Preorder Traversal Using Stack (Without Recursion)

Construct Binary Search Tree from a given Preorder Traversal using Recursion

Depth First Search/Traversal in Binary Tree

Inorder Predecessor and Successor in Binary Search Tree

Check if Array Contains All Elements Of Some Given Range

Check if Array is Consecutive Integers

Find the subarray with sum to a Given Value.

In an Array, find the Smallest Subarray with Sum Greater than the Given Value

Rearrange Positive and Negative Elements at Alternate Positions in an Array In O(1) Extra Space