Code

Write a program to find the second smallest number in array in C/C++, Java and Python. Second largest element in list.

Code

Write a program to find the smallest and largest number in the array. Code written in C/C++, Java and Python.

cpp

What is an array? How to print array in C/C++ programming using for, do-while loop? Write a code to traverse array. Explain with example.

coding challenge

List of data structure and interview coding questions and answers. Practice coding online to land your first job and to master programming.

coding challenge

Parking space allotment coding problem. How to design multilevel car parking system in Python? Coding design interview questions and answers.

Java

Write a program to reverse a Linked List In JAVA 8? Explained with complete code and example.

coding challenge

Write a program to check if Sudoku solution is valid or not. Valid Sudoku Checker in Python code explained with time and space complexity.

Python

How to write sudoku solver in Python with and without backtracking (brute force)? Algorithm explained with example.

career

Why you should learn coding? Why everybody should learn to code? Why is coding important for the future?

Interview Questions