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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
307

Swap two numbers using Bitwise XOR Operator

Medium % 1
306

Determine if Given Year is Leap Year

Beginner % 0
305

Find number of Distinct Permutations of a String

Medium % 0
304

Find the Area of a Circle

Beginner % 0
303

Dijkstra’s – Shortest Path Algorithm (SPT) - Adjacency Matrix - Java Implementation

Hard % 0
302

Fizz Buzz Challenge

Beginner % 0
301

Bitwise Trick: Divide by Powers of 2 Without Operators

Beginner % 1
300

Find the Largest Gap Between Elements in an Array

Beginner % 0
299

Minimum number of guesses needed to find a number

Beginner % 0
298

Left Shift (<<) and Right Shift (>>) Operators

Beginner % 1
297

Dijkstra's – Shortest Path Algorithm (SPT)

Hard % 0
296

Replace all vowels with next consonant in a given string

Medium % 0
295

Find the Area of a Triangle Using coordinates

Beginner % 0
294

Find if Triangle can be formed using given 3 sides

Beginner % 0
293

Convert Number to base 3 String Representation

Beginner % 1
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 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
277

Graph – Count all paths between source and destination

Medium % 1
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

Swap two numbers using Bitwise XOR Operator

Determine if Given Year is Leap Year

Find number of Distinct Permutations of a String

Find the Area of a Circle

Dijkstra’s – Shortest Path Algorithm (SPT) - Adjacency Matrix - Java Implementation

Fizz Buzz Challenge

Bitwise Trick: Divide by Powers of 2 Without Operators

Find the Largest Gap Between Elements in an Array

Minimum number of guesses needed to find a number

Left Shift (<<) and Right Shift (>>) Operators

Dijkstra's – Shortest Path Algorithm (SPT)

Replace all vowels with next consonant in a given string

Find the Area of a Triangle Using coordinates

Find if Triangle can be formed using given 3 sides

Convert Number to base 3 String Representation

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 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 – Count all paths between source and destination

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