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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
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
408

Number of Islands

Medium % 1
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
402

Check if Arithmetic Expression contains duplicate parenthesis

Medium % 0
401

Introduction to Bipartite Graphs OR Bigraphs

Medium % 0
400

Reverse the Directed Graph

Beginner % 0
399

Round Price Problem

Hard % 0
398

Smallest Number after Removing K digits

Hard % 0
397

Find Third Smallest elements in a given array

Beginner % 0
396

Optimizing Test Execution: Managing Test Dependencies for Sequential Order

Medium % 0
395

Implement Graph Using Map or dictionary

Medium % 0
394

Find the maximum number present in a String

Beginner % 0
393

Count number of subgraphs in a given graph

Beginner % 0
392

Reverse a Stack using recursion - In Place (Without using extra memory)

Hard % 1
391

Check if given an edge is a bridge in the graph

Medium % 0
390

Convert Prefix to Postfix Expression

Medium % 0
389

Convert Roman Number to Integer

Beginner % 0
388

Sort a given stack - Using Temporary Stack

Medium % 0
387

Convert Postfix to Prefix Expression

Medium % 0
386

Convert Integer to Roman

Medium % 0
385

String to Integer (AtoI - ASCII to Integer) - Recursive Solution

Medium % 0
384

Grouping of Anagrams

Medium % 0
380

Count the number of nodes in a given binary tree

Beginner % 0
379

Sieve of Eratosthenes - Find all Prime Numbers less than equal to N | Set 2

Medium % 0

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

Number of Islands

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)

Check if Arithmetic Expression contains duplicate parenthesis

Introduction to Bipartite Graphs OR Bigraphs

Reverse the Directed Graph

Round Price Problem

Smallest Number after Removing K digits

Find Third Smallest elements in a given array

Optimizing Test Execution: Managing Test Dependencies for Sequential Order

Implement Graph Using Map or dictionary

Find the maximum number present in a String

Count number of subgraphs in a given graph

Reverse a Stack using recursion - In Place (Without using extra memory)

Check if given an edge is a bridge in the graph

Convert Prefix to Postfix Expression

Convert Roman Number to Integer

Sort a given stack - Using Temporary Stack

Convert Postfix to Prefix Expression

Convert Integer to Roman

String to Integer (AtoI - ASCII to Integer) - Recursive Solution

Grouping of Anagrams

Count the number of nodes in a given binary tree

Sieve of Eratosthenes - Find all Prime Numbers less than equal to N | Set 2