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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
540

find the Arithmetic Progression sequence

Beginner % 3
123

Colorful Numbers

Hard % 3
539

Find the Nth-term in a given arithmetic progression

Beginner % 1
536

Given an array, rank its elements

Beginner % 3
525

Find the number of pairs with odd XOR

Beginner % 2
527

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

Beginner % 1
516

Count similar words in a given array

Beginner % 1
545

Maximizing Contiguous Ones with a Single Flip in a Binary Array

Medium % 3
535

Find Three Consecutive Odd Numbers in an array

Beginner % 2
531

Convert a Decimal number to its binary representation

Beginner % 1
530

Find Maximum Consecutive Ones in an Array

Beginner % 0
496

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

Beginner % 1
58

Generate All String Permutations

Hard % 0
551

Reverse a linked list using stack

Medium % 0
549

Dynamic Programming - Minimum Cost for Climbing Stairs

Medium % 0
547

Maximum Contiguous ones after one deletion

Medium % 2
513

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

Beginner % 1
493

Maximum meetings in one room

Medium % 0
470

Find if any two intervals overlap in given intervals

Medium % 0
354

Valid Multiple Parentheses

Medium % 1
257

Graph – Depth First Traversal

Medium % 2
223

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

Medium % 2
177

Tree Traversals

Beginner % 1
151

Breadth-First Search/Traversal in a Binary Tree

Beginner % 0
145

Dynamic Programming - Minimum Coin Change Problem

Medium % 1
144

Introduction To Dynamic Programming - Fibonacci Series

Beginner % 1
115

Graph Representation - Adjacency Matrix and Adjacency List

Beginner % 2
41

Sorted Array to Binary Search Tree of Minimal Height

Medium % 1
36

Find the Maximum Depth OR Height of a Binary Tree

Beginner % 1
548

Minimum Number of Halls Required for Lecture Scheduling

Hard % 1
537

Departure and Destination Cities in a given itinerary

Beginner % 2
534

Convert to Non-decreasing Array with one change

Beginner % 1
529

Duplicate even elements in an array

Beginner % 1
528

Minimum Increments to make all array elements unique

Medium % 0

Find an extra element in two almost similar arrays

find the Arithmetic Progression sequence

Colorful Numbers

Find the Nth-term in a given arithmetic progression

Given an array, rank its elements

Find the number of pairs with odd XOR

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

Count similar words in a given array

Maximizing Contiguous Ones with a Single Flip in a Binary Array

Find Three Consecutive Odd Numbers in an array

Convert a Decimal number to its binary representation

Find Maximum Consecutive Ones in an Array

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

Generate All String Permutations

Reverse a linked list using stack

Dynamic Programming - Minimum Cost for Climbing Stairs

Maximum Contiguous ones after one deletion

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

Maximum meetings in one room

Find if any two intervals overlap in given intervals

Valid Multiple Parentheses

Graph – Depth First Traversal

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

Tree Traversals

Breadth-First Search/Traversal in a Binary Tree

Dynamic Programming - Minimum Coin Change Problem

Introduction To Dynamic Programming - Fibonacci Series

Graph Representation - Adjacency Matrix and Adjacency List

Sorted Array to Binary Search Tree of Minimal Height

Find the Maximum Depth OR Height of a Binary Tree

Minimum Number of Halls Required for Lecture Scheduling

Departure and Destination Cities in a given itinerary

Convert to Non-decreasing Array with one change

Duplicate even elements in an array

Minimum Increments to make all array elements unique