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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
292

Find the Area of a Triangle Given Three Sides – Heron’s Formula

Beginner % 0
291

Find Factorial of a given Number

Beginner % 0
290

Reverse a String using Recursion

Beginner % 0
289

Find Sum of all Digits of a Number

Beginner % 0
287

Kruskal's Algorithm – Minimum Spanning Tree (MST) - Complete Java Implementation

Hard % 0
286

Introduction to Minimum Spanning Tree (MST)

Medium % 0
285

Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Priority Queue without decrease key in O(ElogV)

Hard % 0
284

Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Priority Queue with decrease key

Hard % 0
283

Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Min Heap

Hard % 1
282

Prim’s - Minimum Spanning Tree (MST) |using Adjacency Matrix

Hard % 0
281

Prim’s Algorithm - Minimum Spanning Tree (MST)

Hard % 0
280

Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find)

Hard % 0
279

Disjoint Set | Union-Find Algorithm - Union by rank and path compression

Hard % 0
278

Disjoint Set Data Structure - Union Find Algorithm

Hard % 0
276

Graph – Find Number of non reachable vertices from a given vertex

Medium % 0
275

Graph – Detect Cycle in a Directed Graph using colors

Hard % 0
274

Graph – Detect Cycle in an Undirected Graph using DFS

Medium % 0
272

Graph – Software Installation Problem

Medium % 0
265

Java Pair Class

Beginner % 0
263

Minimum Copy Paste Operations

Medium % 0
260

Deque Implementation – Java

Beginner % 0
250

Nuts & Bolts Problem (Lock & Key problem)

Beginner % 0
249

Divide and Conquer - Rearrange array elements in special order

Medium % 0
248

Remove Duplicates from a string

Medium % 0
247

Find median of two sorted arrays of same size

Medium % 0
245

Dynamic programming – Printer Problem

Hard % 0
241

Separate even and odd integers in a given array

Beginner % 0
238

Separate 0’s and 1’s in a given array

Beginner % 0
237

Find three elements in an array that sum to a zero.

Beginner % 0
236

Find three elements in an array that sum to a given value

Beginner % 1
235

Majority Element- Boyer–Moore majority vote algorithm

Medium % 0
234

Majority Element – Part 1

Beginner % 0

Find the Area of a Triangle Given Three Sides – Heron’s Formula

Find Factorial of a given Number

Reverse a String using Recursion

Find Sum of all Digits of a Number

Kruskal's Algorithm – Minimum Spanning Tree (MST) - Complete Java Implementation

Introduction to Minimum Spanning Tree (MST)

Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Priority Queue without decrease key in O(ElogV)

Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Priority Queue with decrease key

Prim’s – Minimum Spanning Tree (MST) |using Adjacency List and Min Heap

Prim’s - Minimum Spanning Tree (MST) |using Adjacency Matrix

Prim’s Algorithm - Minimum Spanning Tree (MST)

Graph – Find Cycle in Undirected Graph using Disjoint Set (Union-Find)

Disjoint Set | Union-Find Algorithm - Union by rank and path compression

Disjoint Set Data Structure - Union Find Algorithm

Graph – Find Number of non reachable vertices from a given vertex

Graph – Detect Cycle in a Directed Graph using colors

Graph – Detect Cycle in an Undirected Graph using DFS

Graph – Software Installation Problem

Java Pair Class

Minimum Copy Paste Operations

Deque Implementation – Java

Nuts & Bolts Problem (Lock & Key problem)

Divide and Conquer - Rearrange array elements in special order

Remove Duplicates from a string

Find median of two sorted arrays of same size

Dynamic programming – Printer Problem

Separate even and odd integers in a given array

Separate 0’s and 1’s in a given array

Find three elements in an array that sum to a zero.

Find three elements in an array that sum to a given value

Majority Element- Boyer–Moore majority vote algorithm

Majority Element – Part 1