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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
541

Find an extra element in two almost similar arrays

Beginner % 5
545

Maximizing Contiguous Ones with a Single Flip in a Binary Array

Medium % 3
540

find the Arithmetic Progression sequence

Beginner % 3
536

Efficiently Rank Elements in a Given Array

Beginner % 3
123

Colorful Numbers

Hard % 3
547

Maximum Contiguous ones after one deletion

Medium % 2
544

Counting the Largest Number Groups by Digit Sum

Medium % 2
537

Departure and Destination Cities in a given itinerary

Beginner % 2
535

Find Three Consecutive Odd Numbers in an array

Beginner % 2
525

Find the number of pairs with odd XOR

Beginner % 2
430

Longest substring with at most K unique characters

Medium % 2
257

Graph – Depth First Traversal

Medium % 2
223

Stock Single Sell Problem - Dynamic Programming - O(n)

Medium % 2
204

Dynamic Programming - Edit Distance Problem

Hard % 2
115

Graph Representation - Adjacency Matrix and Adjacency List

Beginner % 2
550

Debugging Techniques- How to Efficiently Find and Fix Software Bugs

Medium % 1
548

Minimum Number of Halls Required for Lecture Scheduling

Hard % 1
543

Adding One to a Number Represented by an Array

Medium % 1
539

Find the Nth-term in a given arithmetic progression

Beginner % 1
538

Find The Minimum time difference

Medium % 1
534

Convert to Non-decreasing Array with one change

Beginner % 1
531

Convert a Decimal number to its binary representation

Beginner % 1
529

Duplicate even elements in an array

Beginner % 1
527

In a number, add digits until it becomes a single digit

Beginner % 1
524

Maximum CPU Load Problem in a jobs list

Medium % 1
516

Count similar words in a given array

Beginner % 1
515

Maximum distance from the nearest person

Medium % 1
513

Sort 0, 1, 2 in an array - Part 1

Beginner % 1
509

Find the Number of Contiguous Parking Areas

Medium % 1
503

Minimum Deletions to make the occurrence of each character unique.

Hard % 1
499

Compare two version numbers of a software

Medium % 1
497

Minimum number of adjacent swaps to sort the given array

Hard % 1
496

Minimum number of times String A is repeated to such that B is substring of A

Beginner % 1
494

Check if the given playlist of programs is valid

Beginner % 1
485

Construct the Largest number from the given digits

Beginner % 1

Find an extra element in two almost similar arrays

Maximizing Contiguous Ones with a Single Flip in a Binary Array

find the Arithmetic Progression sequence

Efficiently Rank Elements in a Given Array

Colorful Numbers

Maximum Contiguous ones after one deletion

Counting the Largest Number Groups by Digit Sum

Departure and Destination Cities in a given itinerary

Find Three Consecutive Odd Numbers in an array

Find the number of pairs with odd XOR

Longest substring with at most K unique characters

Graph – Depth First Traversal

Stock Single Sell Problem - Dynamic Programming - O(n)

Dynamic Programming - Edit Distance Problem

Graph Representation - Adjacency Matrix and Adjacency List

Debugging Techniques- How to Efficiently Find and Fix Software Bugs

Minimum Number of Halls Required for Lecture Scheduling

Adding One to a Number Represented by an Array

Find the Nth-term in a given arithmetic progression

Find The Minimum time difference

Convert to Non-decreasing Array with one change

Convert a Decimal number to its binary representation

Duplicate even elements in an array

In a number, add digits until it becomes a single digit

Maximum CPU Load Problem in a jobs list

Count similar words in a given array

Maximum distance from the nearest person

Sort 0, 1, 2 in an array - Part 1

Find the Number of Contiguous Parking Areas

Minimum Deletions to make the occurrence of each character unique.

Compare two version numbers of a software

Minimum number of adjacent swaps to sort the given array

Minimum number of times String A is repeated to such that B is substring of A

Check if the given playlist of programs is valid

Construct the Largest number from the given digits