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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
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
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
381

K-Means Algorithm

Hard % 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
378

Longest contiguous character in a given String - O(N) Solution

Beginner % 0
377

Convert Postfix to Infix Expression

Medium % 0
376

Collatz Conjecture - Steps to transform Number to 1

Beginner % 0
374

Find all Prime Numbers less than equal to N | Set 1

Beginner % 0
373

Longest substring with at most two unique characters

Medium % 0
371

Convert Infix to Prefix Expression

Medium % 0
370

Find third largest element in a given array

Beginner % 0
369

Find duplicates Characters in the given String

Beginner % 0
368

Max Flow Problem - Ford-Fulkerson Algorithm

Hard % 0
367

Sum of all Unique elements in a given array

Beginner % 0
366

Java program to find the largest element in array

Beginner % 0
365

Convert Infix to Postfix Expression

Medium % 0
364

Find three smallest elements in a given array

Beginner % 0

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

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

K-Means Algorithm

Count the number of nodes in a given binary tree

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

Longest contiguous character in a given String - O(N) Solution

Convert Postfix to Infix Expression

Collatz Conjecture - Steps to transform Number to 1

Find all Prime Numbers less than equal to N | Set 1

Longest substring with at most two unique characters

Convert Infix to Prefix Expression

Find third largest element in a given array

Find duplicates Characters in the given String

Max Flow Problem - Ford-Fulkerson Algorithm

Sum of all Unique elements in a given array

Java program to find the largest element in array

Convert Infix to Postfix Expression

Find three smallest elements in a given array