Find the Sum of All Elements in a Matrix
Calculate the sum of all integer elements in a given R×C matrix.
easy
436
Difficulty Levels
Choose your challenge. Start easy and work your way up.
215
Total Problems
Find the Maximum Element in a Matrix
Find the largest integer present in a given R×C matrix by examining all elements
easy
451
Dice Game – TCS CodeVita
Calculate the number of ways to achieve a target sum S using dice with m faces.
medium
440
Pattern Printing-Half Pyramid
Print a half pyramid pattern using asterisks (*) with N rows, where each row contains increasing number of asterisks separated by spaces.
easy
437
Append Alphabet – Surrounding Integers
Given a matrix containing integers and alphabets, append each alphabet to all surrounding integers in the 3x3 neighborhood.
medium
432
Two Matrix Spiral Print
Print values from two square matrices in a clockwise spiral pattern, alternating between matrices for each row/column.
medium
437
Print 2N and 4N
Given an integer N, print the values of 2N and 4N.
easy
425
SQL – Top Revenue Grossed By Year In Movies
SQL query to find the highest revenue movie for each year, sorted by year in descending order
medium
432
Find Largest Difference Between Two Adjacent Digits
Find the maximum absolute difference between any two adjacent digits in a given number.
easy
455
Enclose Number Between its Maximum and Minimum Digits
Enclose a given number between its smallest and largest digits.
easy
439
Developing a To-Do List Application Using PHP and SQL
Build a complete To-Do List web application using PHP for backend logic and SQL for data storage with full CRUD operations
medium
443
How to Connect Database with PHP
Learn how to establish a connection between PHP and a MySQL database using the mysqli extension
easy
432