Swap Even Integers Pair
Swap every pair of even integers in an array while keeping odd integers unchanged
easy
41
Difficulty Levels
Choose your challenge. Start easy and work your way up.
213
Total Problems
While Loop in different programming languages
Compare and understand while loop syntax and behavior across C, C++, Java, Python, JavaScript, PHP, and Go programming languages
easy
41
Print "Hello world" in different languages
Create a program that prints 'Hello World' in multiple programming languages
easy
41
String Reverse
Reverse the characters in a given string and print the result
easy
42
Convert KM/HR to M/S
Convert a speed value from kilometers per hour to meters per second with specific precision requirements
easy
42
Sort N Strings – Descending Order
Sort N given strings in descending lexicographical order and print them line by line.
easy
41
Pattern Printing – String Characters
Print a pattern where each character of the input string is repeated on successive lines based on its position.
easy
42
Skip Lunch Count
Count the number of days an employee skips lunch based on breakfast timing after 11:00 AM
easy
42
Split String & Sort
Split an even-length string into two equal parts and sort them in ascending order.
easy
42
Find the Sum of All Elements in a Matrix
Calculate the sum of all integer elements in a given R×C matrix.
easy
42
Find the Maximum Element in a Matrix
Find the largest integer present in a given R×C matrix by examining all elements
easy
42
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
41
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