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Digit concentration in Champernowne's constant
Consider the first 50 digits of Champernowne's constant 0.12345678910111213141516171819202122232425262728293... The...

9 months ago

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Pandigital Multiples of 11 (based on Project Euler 491)
A "Pandigital number of order X" is one that contains all of the numbers from 0 to X, but with no leading zeroes. If X>9, the cy...

9 months ago

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Sums of Distinct Powers
You will be given three numbers: base, nstart, and nend. Write a MATLAB script that will compute the sum of a sequence of both ...

9 months ago

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The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

9 months ago

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Ned's queens
A tribute to Cody's five-year anniversary should also celebrate the people behind Cody, and in this particular case, our illustr...

9 months ago

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Group-wise Euclidean distance
*Input*: * *x* —— An array of size *n-by-d*, where each row vector denotes a point in a d-dimensional space; * *g* —— A gro...

9 months ago

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5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

9 months ago

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Is this a valid Tic Tac Toe State?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

9 months ago

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An asteroid and a spacecraft
&#128640 Imagine a non-relativistic simple situation. Assume positions p0, p1, p2, and p3 are three dimensional Cartesian ...

9 months ago

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Inscribed Pentagon? 2
Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...

9 months ago

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Tautology
Check if the given expression is always true. For example, the sentence '~(A & B) == (~A | ~B)' is always true. Chara...

9 months ago

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The sliding puzzle: 3D
This is an extension of problem 42842. In this case, the puzzle is three-dimensional and is of size 3x3x3. Of the 27 positions i...

9 months ago

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One track five lanes
Find the minimum number of lane changes necessary to cross the entire track without running into any obstacles <<http://www.a...

9 months ago

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Cache me Outside
The test suite includes a simple recursive Fibonacci sequence generator, but it's terribly inefficient. One simple method for im...

9 months ago

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Parse me a Lisp
*Description* In Lisp and its variants, function calls are done using parenthesis where the first item in the parenthesis is ...

9 months ago

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Pair Primes
Let's define pair primes as follow; For 2 digits numbers: 11 and 17 are pair primes because both of them are 2 digits prime num...

9 months ago

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Recaman Sequence - III
I want to create a Recaman sequence where there is a "1" in the n-th position. So from which integer should I start the Recaman ...

9 months ago

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Birthday cake
It's Cody's 5th birthday, and you've been tasked with putting the candles on the cake. Your goal is to maximize the distance bet...

9 months ago

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First use of arrayfun() and anonymous function @(x)
Create an anonymous function using @(x) for a parabola equation for the given coefficients stored in s with s(1)x2 + s(2)x + s(...

9 months ago

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[Mảng 1 Chiều Cơ Bản]. Bài 5. In phần tử
Cho mảng số nguyên A[] gồm N phần tử, nhiệm vụ của bạn là in ra các phần tử là số chẵn ở chỉ số chẵn, nếu mảng không tồn tại phầ...

9 months ago

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[Master Regular Expression] String To Integer
Implement the myAtoi(string s) function, which converts a string to a 32-bit signed integer. The algorithm for myAtoi(string s)...

9 months ago

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[Master Regular Expression] Unique Email Addresses
Every valid email consists of a local name and a domain name, separated by the '@' sign. Besides lowercase letters, the email ma...

9 months ago

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[Master Regular Expression] Reformat Phone Number
You are given a phone number as a string number. number consists of digits, spaces ' ', and/or dashes '-'. You would like to re...

9 months ago

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[Master Regular Expression] Goat Latin
You are given a string sentence that consist of words separated by spaces. Each word consists of lowercase and uppercase letters...

9 months ago

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[Master Regular Expression] Keyboard Row
Given an array of strings words, return the words that can be typed using letters of the alphabet on only one row of American ke...

9 months ago

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Chào các bạn.
Cho 3 số. Tính tổng của chúng

9 months ago

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Jump Game
Bạn được cho một mảng số nguyên nums. Ban đầu bạn được đặt ở vị trí chỉ mục đầu tiên của mảng, và mỗi phần tử trong mảng biểu th...

9 months ago

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Leo Bậc Thang
Bạn đang leo cầu thang. Cần n bước để lên đến đỉnh. Mỗi lần bạn có thể leo 1 hoặc 2 bước. Hỏi có bao nhiêu cách khác nhau để le...

9 months ago

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Two Sum
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You m...

10 months ago

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Pascal's pyramid
In Pascal's triangle each number is the sum of the two nearest numbers in the line above: 1 1 1 ...

10 months ago

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