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Feeds
Risolto
Count the peaceful queens
In a 5x5 chessboard with a queen of one color (white, say) on the perimeter, one can place 12 black queens on the board such tha...
3 giorni fa
Risolto
Compute the comma transform of an integer sequence
Consider the sequence formed by the multiples of 19: 19, 38, 57, 76, 95, 114, 133, 152, 171, 190, 209, 228,… A new sequence ca...
3 giorni fa
Risolto
N-Queens: Count All Valid Arrangements
The N-Queens puzzle places N queens on an N×N chessboard such that no two queens attack each other. A queen can attack another ...
4 giorni fa
Risolto
Check if an FAA N-Number is Valid
An N-number is a unique registration assigned by the Federal Aviation Administration (FAA) to every civil aircraft operating in ...
5 giorni fa
Risolto
Geometry time 6!(Extremely hard)
We have two circles. One small(C1) that is inside a bigger one (C2). C1 has a radius R1 and C2 has a radius R2. C1 is internally...
22 giorni fa
Risolto
Gear ratio of a gear pair
Let's assume that we have a pair of two gears(pinion-bigger gear). The goal is to calculate the gear ratio(i) given the number (...
23 giorni fa
Risolto
Find the standard deviation of non-zero elements in a matrix
Given a matrix A, calculate the sample standard deviation of only the non-zero elements. If there are fewer than 2 non-zero ...
29 giorni fa
Risolto
Compute the reduced totient
The totient function counts numbers less than n that are relatively prime to n. The reduced totient function, or Carmichael lamb...
circa 2 mesi fa
Risolto
Count divisors of n!
The factorial of 5, or 5! = 120, has 16 divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120. How many does n!...
2 mesi fa
Risolto
Sum of Elements Above the Main Diagonal of a Square Matrix
Given a square matrix as input, write a function that returns the sum of all elements above the main diagonal. If the input mat...
2 mesi fa
Risolto
Solve Geozee
Geozee is a new daily puzzle game where you have to assign 9 given countries to 9 given categories. Categories are such things a...
2 mesi fa
Risolto
Is the Matrix Square?
Write a function that determines whether the input matrix x is square. Return true if x has the same number of rows and columns...
2 mesi fa
Risolto
Shuffle primes based on their digits
A sequence consisting of prime numbers only starts with 2, the first prime. The next term is the smallest unused prime that shar...
3 mesi fa
Risolto
Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifm...
3 mesi fa
Risolto
Watermelon [MATLAB Cody Edition]
YOU CAN READ THE REAL CHALLENGE FROM THIS URL AND APPLY IT https://codeforces.com/problemset/problem/4/A NOW INSTEAD OF DISP...
4 mesi fa
Risolto
varargin
Write a function that can take a diffrent Amount of inputs for every run Which gives you the sum of all Inputs. Example: f(a,b...
4 mesi fa
Risolto
List Chen primes
A Chen prime is a prime number p such that p+2 is either prime or semiprime. The number 17 is a Chen prime because 17+2 = 19 is ...
4 mesi fa
Risolto
Count the even numbers in a multiplication table
A multiplication table that has products of numbers from 1 to 10 has 75 even numbers among the products. Write a function to c...
4 mesi fa
Risolto
Engine torque and RPM
Torque and power are related through rotational speed. Knowing brake power and engine RPM, you can back-calculate the torque del...
4 mesi fa
Risolto
Engine Thermal Efficiency
The thermal efficiency of an ideal Otto cycle engine depends only on the compression ratio. A higher compression ratio yields gr...
4 mesi fa
Risolto
Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the shorter leg.
Further to the problem 43236, find the length of shorter leg P.S No built-in functions allowed
4 mesi fa
Risolto
Count how many elements are above the mean
Given a vector, return the count of elements strictly greater than the mean of the vector. Example: above_mean_count([1 2 3 4 5]...
4 mesi fa
Risolto
Count the vowels in a string
Given a string, return the number of vowels (a, e, i, o, u — case insensitive). Example: count_vowels('Hello World') returns 3
4 mesi fa
Risolto
Find the Longest Consecutive Increasing Path in a Matrix
Given a 2D matrix of integers, find the length of the longest path where each step moves to an adjacent cell (up, down, left, ri...
4 mesi fa
Risolto
Triangle Area Using Heron's Formula
Given the three side lengths a, b, and c of a triangle, calculate its area using Heron's formula and round to 4 decimal places. ...
4 mesi fa
Risolto
Robust Corner Sum with Special Value Handling in Arrays
Compute the sum of the corner elements of an array (vector or matrix). If any corner element is NaN, return NaN. If any corner...
5 mesi fa
Risolto
generate a matrix of Legendre polynomials
input = x - the degree of the polynomial output = matrix of Legendre polynomials
5 mesi fa
Risolto
Compute the bubble popper fidget spinner sequence
A fidget spinner is a toy made of multiple lobes that pivot on a ball bearing. In some, the lobes hold bubble poppers, or rubber...
5 mesi fa
Risolto
Create a random vector of integers with given sum
Your task today is to write a function that returns a vector of integer numbers, between, and including, 1 and m, of which the s...
5 mesi fa
