Featured Lists

Top 20 Problems on Dynamic programming

Top 10 Problems on Backtracking

Top 20 Problems on Graph

Top 25 Problems on Trees

All Problems

# Status Problem Level Completes Likes
211

Max Flow Problem – Introduction

Hard % 0
212

Dijkstra Algorithm Implementation – TreeSet and Pair Class

Hard % 0
213

Java Program to find Sum the elements of an Array

Beginner % 0
214

Insertion Sort – Java Implementation

Beginner % 0
215

Find Largest and Smallest word in a given String

Beginner % 0
216

Check if Given Number is power of 2.

Beginner % 1
217

Rotate the given array in cycles

Beginner % 0
218

Heap Sort – Java Implementation

Medium % 0
220

Find the Area and Perimeter of Rectangle – Java Program

Beginner % 0
221

Find no of reverse pairs in an array which is sorted in two parts in O(N)

Medium % 1
222

Stack Data Structure – Introduction and Implementation

Beginner % 0
223

Reverse the given String using Stack

Beginner % 0
224

Dijkstra’s – Shortest Path Algorithm (SPT) – Adjacency List and Priority Queue – Java Implementation

Hard % 0
225

Bubble Sort and Optimized Bubble Sort- Java Implementation

Beginner % 1
226

Find the Area of Triangle using base and height - Java Program

Beginner % 0
227

Get the Sum of Digits in a number till it become a single digit

Medium % 0
228

Calculate Log2n without using built-in function

Beginner % 1
229

Check if given number is Prime - O(√N) Solution – Java Program

Medium % 0
232

Find the Circumference of a Circle - Java Program

Beginner % 0
233

Check if two Strings are equal without using built-in function - Java

Beginner % 0
234

Remove Vowels from a given String

Beginner % 0
235

Linear Search Algorithm

Beginner % 0
236

Dijkstra’s – Shortest Path Algorithm (SPT) – Adjacency List and Min Heap – Java Implementation

Hard % 0
237

Floyd’s Triangle – Java Implementation

Beginner % 0
239

Swap two numbers using Bitwise XOR Operator

Medium % 1
240

Java Program to determine if Given Year is Leap Year

Beginner % 0
241

Find number of Distinct Permutations of a String

Medium % 0
242

Find the Area of a Circle - Java Program

Beginner % 0
243

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

Hard % 0
244

Fizz Buzz Challenge - Java Implementation

Beginner % 0
245

Divide with power of 2 without using pow() or / operator

Beginner % 1

Max Flow Problem – Introduction

Dijkstra Algorithm Implementation – TreeSet and Pair Class

Java Program to find Sum the elements of an Array

Insertion Sort – Java Implementation

Find Largest and Smallest word in a given String

Check if Given Number is power of 2.

Rotate the given array in cycles

Heap Sort – Java Implementation

Find the Area and Perimeter of Rectangle – Java Program

Find no of reverse pairs in an array which is sorted in two parts in O(N)

Stack Data Structure – Introduction and Implementation

Reverse the given String using Stack

Dijkstra’s – Shortest Path Algorithm (SPT) – Adjacency List and Priority Queue – Java Implementation

Bubble Sort and Optimized Bubble Sort- Java Implementation

Find the Area of Triangle using base and height - Java Program

Get the Sum of Digits in a number till it become a single digit

Calculate Log2n without using built-in function

Check if given number is Prime - O(√N) Solution – Java Program

Find the Circumference of a Circle - Java Program

Check if two Strings are equal without using built-in function - Java

Remove Vowels from a given String

Linear Search Algorithm

Dijkstra’s – Shortest Path Algorithm (SPT) – Adjacency List and Min Heap – Java Implementation

Floyd’s Triangle – Java Implementation

Swap two numbers using Bitwise XOR Operator

Java Program to determine if Given Year is Leap Year

Find number of Distinct Permutations of a String

Find the Area of a Circle - Java Program

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

Fizz Buzz Challenge - Java Implementation

Divide with power of 2 without using pow() or / operator