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Top 20 Problems on Dynamic programming

Top 10 Problems on Backtracking

Top 20 Problems on Graph

Top 25 Problems on Trees

Top 10 Problems on Bits Manipulation

Top 15 Problems in LinkedList

All Problems

# Status Problem video Level Completes Likes
449

Check if Graph is Bipartite - Adjacency List using Breadth-First Search(BFS)

Hard % 0
448

Numbers with prime set bits in a given range using Sieve of Eratosthenes Algorithm

Medium % 0
447

Check If Given Undirected Graph is a tree

Medium % 0
444

Articulation Points OR Cut Vertices in a Graph

Hard % 0
443

Check the completeness of given binary tree | Set 2 - Using Level Order Traversal

Medium % 0
442

Find the number of distinct Islands OR connected components.

Hard % 0
439

Determine the given routing number belong to which bank

Medium % 0
438

Check if interval is covered in given coordinates

Medium % 0
436

Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N

Medium % 0
433

Depth-First Search (DFS) in 2D Matrix/2D-Array - Iterative Solution

Beginner % 0
431

Check the completeness of given binary tree | Set 1 - Using Node Count

Medium % 0
429

Find all the Armstrong numbers in the given range

Beginner % 0
428

Collatz Conjecture - Maximum Steps takes to transform (1, N) to 1.

Medium % 0
427

Number of Islands using BFS

Medium % 0
426

Check if Graph is Bipartite - Adjacency List using Depth-First Search(DFS)

Hard % 0
424

Check if given undirected graph is connected or not

Beginner % 0
423

Given Graph - Remove a vertex and all edges connect to the vertex

Medium % 0
418

Social Network Problem

Hard % 0
417

Maximum number edges to make Acyclic Undirected/Directed Graph

Beginner % 0
416

Evaluation of Prefix Expressions (Polish Notation) | Set 2

Medium % 0
415

Hamming Distance between two given strings

Beginner % 0
414

Breadth-First Search in Disconnected Graph

Medium % 0
413

ZigZag OR Diagonal traversal in 2d array/Matrix using queue

Medium % 0
412

Check if Number is divisible by its digits

Beginner % 0
411

Check if the given number is Armstrong number or not

Beginner % 0
410

Evaluation of Prefix Expressions (Polish Notation) | Set 1

Medium % 0
409

Minimum Boats Required to rescue people

Medium % 0
407

Integer Replacement Problem

Medium % 0
406

Evaluation of Postfix Expressions (Polish Postfix notation) | Set 2

Medium % 0
405

Evaluation of Postfix Expressions (Polish Postfix notation) | Set 1

Medium % 0
404

Find all the numbers in the range which has prime set bits.

Beginner % 0
403

Check if Graph is Bipartite - Adjacency Matrix using Depth-First Search(DFS)

Hard % 0

Check if Graph is Bipartite - Adjacency List using Breadth-First Search(BFS)

Numbers with prime set bits in a given range using Sieve of Eratosthenes Algorithm

Check If Given Undirected Graph is a tree

Articulation Points OR Cut Vertices in a Graph

Check the completeness of given binary tree | Set 2 - Using Level Order Traversal

Find the number of distinct Islands OR connected components.

Determine the given routing number belong to which bank

Check if interval is covered in given coordinates

Find all unique combinations of exact K numbers (from 1 to 9 ) with sum to N

Depth-First Search (DFS) in 2D Matrix/2D-Array - Iterative Solution

Check the completeness of given binary tree | Set 1 - Using Node Count

Find all the Armstrong numbers in the given range

Collatz Conjecture - Maximum Steps takes to transform (1, N) to 1.

Number of Islands using BFS

Check if Graph is Bipartite - Adjacency List using Depth-First Search(DFS)

Check if given undirected graph is connected or not

Given Graph - Remove a vertex and all edges connect to the vertex

Social Network Problem

Maximum number edges to make Acyclic Undirected/Directed Graph

Evaluation of Prefix Expressions (Polish Notation) | Set 2

Hamming Distance between two given strings

Breadth-First Search in Disconnected Graph

ZigZag OR Diagonal traversal in 2d array/Matrix using queue

Check if Number is divisible by its digits

Check if the given number is Armstrong number or not

Evaluation of Prefix Expressions (Polish Notation) | Set 1

Minimum Boats Required to rescue people

Integer Replacement Problem

Evaluation of Postfix Expressions (Polish Postfix notation) | Set 2

Evaluation of Postfix Expressions (Polish Postfix notation) | Set 1

Find all the numbers in the range which has prime set bits.

Check if Graph is Bipartite - Adjacency Matrix using Depth-First Search(DFS)