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Sum of Cubes

Given n, find the sum of cubes of integers till n. For example, if n = 3, then answer is 1^3 + 2^3 + 3^3 = 36.

1 month ago

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Draw a triangle of ones

For any given n, return a matrix that includes a triangle of ones of height n: Example n = 3 output = [0,0,1,0,0 ...

1 month ago

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Draw 'W'

For any given n, return a matrix of height n and width 4n-3 containing a W of ones. Example: n=2 ans= [1 0 1 0 1 0 1 0 1 0...

1 month ago

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Calculate the surface area of a sphere

Given the radius of a sphere, calculate the surface area

1 month ago

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Vector slither sort!

Sort a numeric vector in the following format: [largest value, smallest value, second largest value, second smallest value, etc...

1 month ago

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Caesar Cipher Shift

Given a word and its encrypted version using the caesar cipher, find the shift used.

1 month ago

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Mix it up!

Given an input string S, return a new string B, that is created by taking one character from the front and then the end iterativ...

1 month ago

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B-Harshad Numbers

Determine (and provide as output in decimal form) all the harshad numbers base B (B-Harshad) from a given array of decimal numbe...

1 month ago

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Two sum

Give a vector of numbers and a target, return indices of two numbers such that they add up to the target

1 month ago

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Find the median of elements in vector without using in built median function

Given a vector, find the median of the vector whose length is odd without using in built median function. Input : [1,1,2,4,5,5,...

1 month ago

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Remove elements in a vector

Given a number x and a vector y, remove all occurrences of x in y. Examples: Input1 x = 1 Input2 y = [1 2 3 5] Output ...

1 month ago

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Calculate the weight of a cow

Initially, the cow weighs 200kg. If it gains x kg every day, how much does it weight after y days?

1 month ago

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Find Min and Max Differences in a Vector

Given an array of integers, return the absolute largest and smallest (non zero) difference between any two numbers in the array....

1 month ago

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Sort vector by number of prime factors of each element

Sort a given array based on how many prime factors each term has. Sort from least to greatest and output original values. Ex: ...

1 month ago

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Return longest string in 1-D array of strings

Find the longest string in an array of strings. Return an empty string if the initial array is empty. If there are multiple stri...

1 month ago

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Draw a fancy '7' in a zero matrix!

Given a x-by-x matrix filled with zeros (x is odd and > 3). Use 7s to draw a number 7 into it! Like this: x = 5, y = 7 7 7 7 7...

1 month ago

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Distance of Car

If a car is going x miles per hour, how long does it take to get y miles?

1 month ago

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Determine if integer is even

Write a function to determine if an input integer(n) is even. The output should be a boolean (true or false).

1 month ago

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Find the number of primes leq than input

Given an integer n, determine the number of primes less than or equal to n.

1 month ago

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determine skid distance of car

Determine the distance a car skids to a stop given initial velocity (v) and time (t).

1 month ago

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Determine if all elements are odd

Given an array, return true if all of the elements are odd. ex. x = [3 4 1] allOdd(x) ans = false ex. x = [3 5 7; 5 9...

1 month ago

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Find the number of terms in Arithmetic progression

Given a, Tn and d find the number of terms in the AP

1 month ago

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Create a column vector of n elements between a and b (both included)

Given lower limit a and an upper limit b, create a column vector of n elements inclusive of a and b. For example: a = 1, b = 4,...

1 month ago

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Determine if the inputs are divisible by both 3 and 5.

Given a integer x: return true if it is divisible by both 3 and 5, return false if it is not divisible by either 3 or 5.

1 month ago

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Draw a X

Given an input , create a square matrix of zeros with an X of ones. Ex. n = 3 drawX(3) [ 1 0 1 0 1 0 1 0 1 ] ...

1 month ago

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Caesar Cipher

Given a input word x and a shift n, encrypt the word with caesar cipher of shift n.

1 month ago