Difficulty Levels

Choose your challenge. Start easy and work your way up.

213
Total Problems

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

Space Separated Integers Sum In Python

Calculate the sum of all integers provided in a single space-separated line of input.

easy
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

Function Print from N+1 to 2N – CTS PATTERN

Fix the logical error in a function that prints integers from N+1 to 2N inclusive

easy
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

Nth Decimal Place

Find the digit at the Nth decimal place when dividing X by Y

easy
41

Zig-Zag Triangle – String Pattern

Print a zig-zag triangular pattern using characters from a string with alternating forward and reverse order

medium
41

Customers Group – Purchase Amount

Group customers by purchase amount in descending order and sort names within each group

medium
41

Print Cube

Calculate and print the cube of a given integer

easy
41
PrevPage 4 of 18Next