How to Solve for Factorial in C
The challenge
In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to …
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In-depth guides, insights, and best practices for modern software engineering
How to Create an Incrementer in C
The challenge
Given an input of an array of digits, return the array with each digit incremented by its position in the array: the first digit will be …
Read Article →How to Return the Closest Number Multiple of 10 in C
The challenge
Given a number return the closest number to it that is divisible by 10.
Example input:
22
25
37
Expected output:
20
30
40
The solution …
Read Article →How to Reverse Every Other Word in a String in C
The challenge
Reverse every other word in a given string, then return the string. Throw away any leading or trailing whitespace, while ensuring there …
Read Article →How to Solve Simple Beads Count in C
The challenge
Two red beads are placed between every two blue beads. There are N blue beads. After looking at the arrangement below work out the …
Read Article →How to Solve the Maze Runner in C
The challenge
Introduction
Task
The Maze array will look like
maze = [[1,1,1,1,1,1,1],
[1,0,0,0,0,0,3],
[1,0,1,0,1,0,1], …How to Take a Number and Sum It’s Digits Raied to the Consecutive Powers in C
The challenge
The number 89 is the first integer with more than one digit that fulfills the property partially introduced in the title of this …
How to Find the Middle Element in C
The challenge
You need to create a function that when provided with a triplet, returns the index of the numerical element that lies between the other …
Read Article →How to Invite More Women in C
The challenge
Task
King Arthur and his knights are having a New Years party. Last year Lancelot was jealous of Arthur, because Arthur had a date and …
Read Article →How to Build a Tower in C
The challenge
Build a pyramid-shaped tower, as an array/list of strings, given a positive integer number of floors. A tower block is represented with …
How to Calculate A Rule of Divisibility by 7 in C
The challenge
A number m of the form 10x + y is divisible by 7 if and only if x − 2y is divisible by 7. In other words, subtract twice the last digit …
Read Article →How to Categorize a New Member in C
The challenge
The Western Suburbs Croquet Club has two categories of membership, Senior and Open. They would like your help with an application form …
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