# William

Semi-retired physicist with interests in numerical modeling and mathematics.

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**Content Feed**

Solved

Finding the 9th power of a variable

Getting aquainted with finding the 9th power of a variable

5 hours ago

Solved

Finding the 8th power of a variable

Getting aquainted with finding the 8th power of an element.

5 hours ago

Solved

How to find a 7th power of a variable

Getting aquainted with finding the 7th power of a variable.

5 hours ago

Solved

How to find the sixth power of a variable

Getting an aquainatance of finding the sixth power of a variable.

5 hours ago

Solved

How to find the 5th power of a variable

Getting an aquaintance of how to find the 5th power of a variable

5 hours ago

Solved

How to find the 4th power of a variable

Getting an aquaintance on how to solve for the 4th power of a variable.

5 hours ago

Solved

How to square root something

A practice problem to get you aquainted with how to square root something.

5 hours ago

Solved

How to square something

Looking to see if something could be squared from the code you created from the input of x

5 hours ago

Solved

Dyck words

A Dyck word can be considered as a string of n X's and n Y's arranged to have at least as many X's in an initial segment of the ...

3 days ago

Solved

Cluster Partition

Given an array (row or column) of numbers, divide the array into consecutive positive/negative numbers. 0 is to be treated inde...

6 days ago

Solved

Exact Cover

An efficient solution to the exact cover problem can be useful in many situations. In this problem, you are welcome to use Knuth...

6 days ago

Solved

IQpuzzler Preparation #3: Detect isolated groups of zeros in a matrix

Return true if any small, rectangular shaped, isolated groups of zeros (size 1x1, 1x2, 2x1, 1x3, 3x1 or 2x2) are present in a ma...

6 days ago

Solved

Sum the unitary divisors of a number

Cody Problems 1933 and 46898 deal with , the sum of divisors function. This problem deals with , the sum of unitary divisors fun...

7 days ago

Solved

Cricket - Is It LBW?

LBW has an unfair reputation as complicated. But if you've watched a third umpire referral, you'll know that it's just a logical...

7 days ago

Solved

IQpuzzler Preparation #2: Detect isolated zeros in a 2D matrix

Return true if any isolated single zeros are present in the input M-by-N matrix (zeros with all adjacent elements being non-zero...

7 days ago

Solved

Cricket - You Miss, I Hit (Rank Bowlers by Proportion of Bowled and LBW Wickets)

Which bowlers threaten your stumps the most? Given a table of all wickets taken during some particular set of matches and two th...

8 days ago

Solved

Volume of a Square

Find a function that creates the volume of a square if side length is 9

8 days ago

Solved

Easy Sequences 82: Digits of Powers of 2

In Project Euler Problem #16, we are asked for sum of the digits of powers of 2. Here we will be asked for more than that. Give...

10 days ago

Solved

Count the unitary divisors of a number

Cody Problem 56738 asks for a list of the unitary divisors of a number. For this problem, write a function to count the unitary ...

14 days ago

Solved

List unitary divisors of a number

A unitary divisor of a number divides and satisfies gcd(,) = 1. For example, 9 is a unitary divisor of 18 because gcd(9,2) = ...

14 days ago