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Solved
Highly divisible triangular number (inspired by Project Euler 12)
Triangular numbers can be calculated by the sum from 1 to n. For example, the first 10 triangular numbers are: 1, 3, 6, 10, ...
ungefär en månad ago
Solved
Find the nth nude number
The number 672 is a nude number because it openly displays three of its divisors: 6, 7, and 2. In other words, a nude number is ...
ungefär en månad ago
Solved
Instructions Following
Complete the function follow(s) which, for a given string (containing only the letters 'f', 'b', 'l', 'r'), calculates the final...
ungefär en månad ago
Solved
Wheatstone bridge
Determine if a set of resistors maintain Wheatstone bridge equilibrium
ungefär en månad ago
Solved
Remove the diagonal of a square matrix
Some Cody problems ask solvers to remove columns (e.g., CP 7), and others ask solvers to remove rows (e.g., CP 44033). Write a...
ungefär en månad ago
Solved
Times 10
Try out this test problem first. Given the variable x as your input, multiply it by ten and put the result in y. Examples:...
ungefär 2 månader ago
Solved
iteration of N blank spot
we have N spot which can be blank o filled calculate the number of iteration for these spots. e.g. N=2 1- blank blank 2- blank f...
ungefär 2 månader ago
Solved
Prime number removal
remove all prime numbers from the input e.g. input = 1 2 3 4 5 6 7 8 9 10 11 12 ...
ungefär 2 månader ago
Solved
house of cards
How many cards do one need to build a house of cards with n stages? Short explanation: /\ 2 cards for 1 stage ...
ungefär 2 månader ago
Solved
balance vector
Given a non-empty vector x with integer elements. x shall be called balance vector if one can split the elements of x into two g...
ungefär 2 månader ago
Solved
fractal circles
Create a fractal with circles using the same process as the Sierpinski triangle (https://en.wikipedia.org/wiki/Sierpinski_trian...
ungefär 2 månader ago
Solved
Reverse a string
Return a string with the characters in reverse order from a given input string Ex: my_str = "Ciao" function should output "...
ungefär 2 månader ago
Solved
Palindrome Checker
Check to see if a given string is a palindrome (a word, phrase, or sequence that reads the same backward as forward). Output sh...
ungefär 2 månader ago
Solved
Convert RGB to Grayscale
Convert a 3 element RGB array to its correspoding grayscale pixel (a scalar) *Hint: a formula exists!
ungefär 2 månader ago
Solved
Generate a point cloud on an equilateral triangle 1
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
2 månader ago
Solved
Sum All Positive Elements
Output a scalar that is equal to the sum of all positive elements in a given vector/matrix. For Example: The sum of all positi...
2 månader ago
Solved
Diagonal Product of A Square Matrix
For a matrix A, calculate the product of its diagonal elements. * Assume all input matrices are square & corresponding element...
2 månader ago
Solved
Approximate the cosine function
Without using MATLAB trigonometric functions, calculate the cosine of an argument x to a precision of 0.0001 Hint: You may wish...
2 månader ago
Solved
Pad zero between every adjacent values of the vector.
you are given a vector x. you have to make an output vector y with zeros padded between every adjacent values of x. e.g x: ...
2 månader ago
Solved
Change on Spiral Matrix
n>=3, generate a matrix of nth such that n^2 is the max number, and max number must be in [1,1] or [end, end]. One example will ...
2 månader ago
Solved
generate capital english alphabets
Based on the numeric input 'n', generate the capital english alphabet starting from A till the english alphabet at the 'n'th pos...
2 månader ago
Solved
Draw the symbol '+'
Draw '+' in an x-by-x matrix (where x is odd and x >3) Example: x = 5 y = [0 0 1 0 0 0 0 1 0 0 1 1 1 1 1 0 ...
2 månader ago
Solved
Geometric Series
Given x and n, give the sum of x ^ 1 to x ^ n. You should not have to use a loop for this.
2 månader ago
Solved
Find offset of given matrix element from first matrix element
Given matrix m and an element of that matrix, return the offset from its first element. e.g. m=[11 2 34; 40 51 6; 87 8 109] el...
2 månader ago
Solved
Opposite task convert string hexadecimal numbers array into array of decimal numbers .
Opposite task convert string hexadecimal numbers array into array of decimal numbers . Example x=[ '208'; '209'; '20A'; ...
2 månader ago