Tennis Contest
Find the names of players defeated by the tournament winner, from final round back to first round
medium
44
Difficulty Levels
Choose your challenge. Start easy and work your way up.
215
Total Problems
Dice Game – TCS CodeVita
Calculate the number of ways to achieve a target sum S using dice with m faces.
medium
43
Append Alphabet – Surrounding Integers
Given a matrix containing integers and alphabets, append each alphabet to all surrounding integers in the 3x3 neighborhood.
medium
41
Two Matrix Spiral Print
Print values from two square matrices in a clockwise spiral pattern, alternating between matrices for each row/column.
medium
41
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
41
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
42
Creating a Contact Form with AJAX
Build a dynamic contact form that sends user data to a server using AJAX without page reload
medium
42
Print Numbers & Ranges
Given N unique integers, print integers and integer ranges in sorted order, where consecutive integers are represented as ranges.
medium
42
Series – Decreasing Limits
Print integers in decreasing limits from N to 1, then N-1 to 2, then N-2 to 3, and so on until the limits meet.
medium
42
Maximum Sum – Equal Digits Sum
Find the maximum sum of any two integers from a list whose digit sums are equal, or return -1 if no such pair exists.
medium
42
Zig-Zag Swap – Columns
Swap matrix columns in a zig-zag pattern where halves of columns are exchanged based on specific pairing rules
medium
42
Integer – Max Factor Count
Find the integer with the maximum number of factors from a given list of integers
medium
41