Mean number of letters per word (Easy)
Given a character array, s, representing a sentence, return a, the arithmetic mean of the number of letters per word in the give...
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Sum Sum Sum!
Calculate the sum of the natural numbers from 1 to n
Cannibal eating odd and even numbered men
There are N men in a queue. A cannibal eats either all odd-numbered or all even-numbered men in the queue at a time. In the fi...
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SAY 'OHYEAH'
Regardless of input, output the string 'OHYEAH'.
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Check prime numbers
Let x, return 1 if x is a prime number, 0 otherwise
e.g x = 7, return y =1;
x = 6 return y = 0;
Singular Value Decomposition
Calculate the three matrices of the singular value decomposition (A = U*S*V^T) for each provided matrix. U and V are square unit...
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Next lexicographic - permutation
Find next lexicographic - permutation (permutations as it would occur in a dictionary order).
E.g: nextP('ABCD') = ABDC
I...
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Calculating large fibonacci numbers
The fibonacci sequence starts 1,1,2,3,5,8...
Find the the n'th fibonacci number. Then calculate round(log10( . )) of that n't...
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Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...
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Anagram
Given two strings, check whether they're anagrams to each other or not.
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The Tortoise and the Hare - 01
Suppose in an infinitely long line, the hare is standing in position 0.
From that place, it can jump either in the +ve direct...
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Frugal number
check whether n is a frugal number
* a frugal number is a natural number in a given number base that has more digits than the...
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Iccanobif numbers 1
There are a lot of problems in Cody that deal with Fibonacci numbers (1, 1, 2, 3, 5, 8, 13, 21 etc...) so let's turn things arou...
Large Sum (inspired by Project Euler 13)
Your function will be provided an arbitrary number of numbers of arbitrary sizes as a cell array of strings. Some numbers will b...
You never ask a lady her age
Instead you ask her to multiply her age by 10, then subtract any of the first nine multiples of 9 (9,18,...,81), and tell you th...
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An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:*
Many important observations in math and science can be described by short, but powerful, equations...