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Compute MOSFET oxide thickness
Calculate the oxide thickness in nanometers for an NMOS on a p-type substrate. Inputs (all scalars): NA — acceptor concentrat...

1 day ago

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5-year Annedversaries
This is the Bonus Round problem for the 2025 Cody Contest. Attend the watch party on Friday, March 27 to see how 6 champions fro...

1 day ago

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Find the Nth number in the 4-sequence
Find the Nth number in the 4-sequence. 4, 8, 12, 16, 24, 28, 32, 36, 44 ... Hint: Refer test suites

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Find the Nth number in the 3-sequence
Find the Nth number in the 3-sequence. 3, 6, 9, 12, 15, 18, 21, 24, 27, 33 ... Hint: Refer test suites

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Find the Nth number in the 2-sequence.
Find the Nth number in the sequence. 2, 4, 6, 8, 12, 14, 16, 18, 22, ... Hint: Refer test suites

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A Fiveless Factorial
Given a positive integer x, compute its factorial y, but exclude any muliplication by five if applicable.

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Solve for factorial of X
It gives you the number x, and set y equal to x factorial. Ex. There are 52 cards in a deck, each specific order of all 52 car...

1 day ago

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Return the Square of a Number
Write a function that takes a single numeric input x and returns its square. That is, given x, your function should output x^2....

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Calculate Reynolds Number
Write a MATLAB function that calculates the Reynolds number for flow over a flat plate: ρ = fluid density (kg/m³) V = veloc...

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Compute Airspeed from Mach Number
Write a MATLAB function that converts a Mach number to airspeed given the speed of sound aa in m/s: V=M⋅a V = airspeed (m/s) M...

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Calculate Drag Force
Write a MATLAB function to compute the drag force on an object moving through air: where: D is drag force (N) ρ is air de...

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Calculate Lift Force on an Airfoil
Write a MATLAB function to calculate the lift force acting on an airfoil given the air density, wing area, velocity of the airfl...

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Count the Even Digits in a Number
Given a positive integer n, write a function that returns how many digits of n are even. Even digits are: 0, 2, 4, 6, 8

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Mandelbrot Set Generator Class
Create a class Mandelbrot that computes the Mandelbrot set on a given complex plane window. The Mandelbrot set is defined by it...

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Enclosure Matrix
The problem gives you a positive integer n. You need to create a matrix consisting of n layers of natural numbers; the outermost...

1 day ago

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Determine when iterations of phi(psi(x)) repeat
Cody Problem 656 introduced the Euler totient function , which counts the number of integers smaller than that are relatively...

1 day ago

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Compute the Dedekind psi function
Write a function to compute the Dedekind psi function. The values for n = 1, 2, 3, 4, 5, and 6 are 1, 3, 4, 6, 6, and 12.

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Barnes G-Function
Evaluate the Barnes G-Function at a given (integral) value. %Example 1 in = 1; out = 1; %Example 1 in = 4; out = 2; ...

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Search for seesaw primes
Cody Problem 60958 introduced seesaw numbers. A number is a seesaw number if the next smaller numbers can be placed on a seesa...

2 days ago

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A sequence of Ones
You are given number(s) with all digits - 1. Your answer will depend on the count of 1 in the given number, for example - x1...

2 days ago

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Gather primes
A book titled Gather that I regularly see inspired this game: make as many words as possible from the letters in the word GATHER...

2 days 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...

2 days ago

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[Mảng 1 Chiều Cơ Bản]. Bài 4. Lớn hơn, nhỏ hơn
Cho mảng số nguyên A[] gồm N phần tử và số nguyên X , hãy đếm xem trong mảng có bao nhiêu số lớn hơn X và bao nhiêu số nhỏ hơn X...

2 days ago

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[Mảng 1 Chiều Cơ Bản]. Bài 3. Số nhỏ nhất
Cho mảng số nguyên A[] gồm N phần tử, hãy đếm xem trong mảng của bạn có bao nhiêu số có cùng giá trị nhỏ nhất. Ví dụ mảng A = {1...

2 days ago

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[Mảng 1 Chiều Cơ Bản]. Bài 2. Trung bình cộng nguyên tố
Cho mảng số nguyên A[] gồm N phần tử, nhiệm vụ của bạn là tính trung bình cộng của các số là số nguyên tố trong dãy. Dữ liệu đảm...

2 days ago

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[Mảng 1 Chiều Cơ Bản]. Bài 1. Chẵn lẻ
Cho mảng số nguyên A[] gồm N phần tử, nhiệm vụ của bạn là đếm xem trong mảng có bao nhiêu số chẵn, bao nhiêu số lẻ, tổng các phầ...

2 days ago

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Gene Duplication with Sequencing Errors
You are investigating the genome of the bacterium Codex matlabius. A virus that infects C. matlabius is known to insert long, re...

2 days ago

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How Long is the Border Between Unitopia and Zerostan?
Two countries, Unitopia (denoted by ones) and Zerostan (denoted by zeros) are engaged in a long-standing dispute: how long is th...

2 days ago

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FEN to Chess Board
Note: This problem is the reverse, or complement, of Problem 61144 - FEN Chess Notation. Given a FEN (Forsyth-Edwards Notation)...

2 days ago

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Container With Most Water
You are given an integer array height . There are vertical lines drawn such that the two endpoints of the ith line are (i, 1) an...

2 days ago