Count of Triplets – Decreasing Order
Count the number of triplets in an array where three integers appear in strictly decreasing order.
mediumArrays & Strings
410
Difficulty Levels
Choose your challenge. Start easy and work your way up.
215
Total Problems
Nearest Integer – Factor
Find the nearest integer to N where the concatenation of its first and last digits is a factor of the integer itself.
medium
43
String Rank among SubStrings
Find the lexicographic rank of a string among all unique substrings of itself
medium
45
Vertical ZigZag Pattern
Print a vertical zigzag pattern of numbers in a matrix format
medium
44
Basket with Most Colors
Find the basket under a tree that receives the most different colors of flowers from its tree and adjacent trees.
medium
43
Move M Words – End Reverse
Move the first M words to the end of a sentence in reverse order
easy
43
Polygon Perimeter
Calculate and print the perimeter of a polygon given the lengths of its N sides
easy
43
FIB-ASCII Value
Convert a given ASCII value to its corresponding character
easyArrays & Strings
45
JavaScript vs jQuery: A Comparison Guide
Compare and analyze the differences between JavaScript and jQuery for web development
easy
43
Introduction to Node.js
A comprehensive guide to setting up and running a simple Node.js server with HTTP module
easy
44
HCF/GCD of Two Numbers
Find the highest common factor (HCF) or greatest common divisor (GCD) of two given positive integers.
easyMathematical Problems
43
Python Program for Interlace odd / even from A to B
Print odd numbers from A to B interlaced with even numbers from B to A
medium
43