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N-th Digit of all Write-Down Numbers
Write-Down Numbers are: 123456789101112131415161718192021222324252627282930... What is the N'th digit (where N is represented a...

24 days ago

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To Bet or Not to Bet
Given your current poker hand, the visible cards of your opponent's hand, and the total number of cards being dealt (5 card stud...

24 days ago

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Determine Poker Hand Winner
Determine the poker hand winner from two hands of cards (each hand will contain the same number of cards between five and thirte...

24 days ago

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Evaluate Poker Hand
Given an input table of card values and card suits between five and thirteen cards, choose the best five cards and output the ra...

24 days ago

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Determine Fundamental Solution of Pell Equation
Given, a positive value (d), determine the fundamental solution [x, y] of the Pell equation: x^2 - d*y^2 = 1. Provide character...

24 days ago

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Multiply Large Hexadecimal Numbers
Multiply two large hexadecimal numbers together and output the hexadecimal representation of the result. For example: a='abcde...

24 days ago

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Convert Thermocouple output voltage (in mV) to Temperature (in C)
Convert Thermocouples of types (B,E,J,K,N,R,S,T) output junction voltage (in mV) to temperature (in C) using NIST coefficients r...

24 days ago

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Radioisotope Thermoelectric Generator (RTG)
Given an isotope's atomic mass (in amu), half-life (in years(a) or days(d)), and average kinetic energy absorbed (of emitted dec...

24 days ago

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Sum of proper divisors (aliquot sum)
A proper divisor of a positive integer n is any divisor of n except n itself. The aliquot sum is the sum of all proper divisors....

25 days ago

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Caesar Cipher: shift a lowercase string
A Caesar cipher shifts every letter forward through the alphabet by a fixed amount, wrapping around from z back to a. Given a...

25 days ago

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Nuclear Binding Energy
Compute the approximate nuclear binding energy in MeV using the least-squares fit of the semi-emirical mass formula. Round to th...

25 days ago

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Number of Primitive Roots and Cyclic

25 days ago

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Calculate the Surface Area of an Ellipsoid

25 days ago

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Encrypt Text Using Modified AES-256 Galois/Counter Mode (GCM)
Encrypt plain text input using a modified AES-256 Galois/Counter Mode (GCM) block cipher. Output the hexidecimal representation ...

25 days ago

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Play the Disk
To access the memory address of program on disk, MS-DOS uses sectors,cylinders and heads, on disk in 3D coordinates. Given the h...

26 days ago

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Encrypt Text Using AES-256 Galois/Counter Mode (GCM)
Encrypt plain text input using AES-256 Galois/Counter Mode (GCM) block cipher. Output the hexidecimal representation of the encr...

29 days ago

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PACMAT 09 - Awesome Tunnelling Ghosts, Equal Speed, 20 Lives, Game Download
The Classic PACMAN game brought to Cody. PACMAT requires clearing all the Yellow Dots. Twenty lives are available. Adjacent G...

29 days ago

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PACMAT 08 - Awesome Tunneling Ghosts, 2X Speed, 6 Lives, Game Download
The Classic PACMAN game brought to Cody. PACMAT requires clearing all the Yellow Dots. PACMAT moves at 2X Ghost speed. Six li...

29 days ago

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PACMAT 07 - Optimized Ghosts, PAC 2X Ghost Speed, 4 Lives; Interactive Download
The Classic PACMAN game brought to Cody. PACMAT requires clearing all the Yellow Dots. PACMAT moves at 2X Ghost Speed, Four l...

29 days ago

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PACMAT 06 - Optimized Ghosts, Equal Speed, Inf Lives; Interactive Download
The Classic PACMAN game brought to Cody. PACMAT requires clearing all the Yellow Dots. Inf lives are available. Adjacent Ghos...

29 days ago

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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...

1 month ago

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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!...

1 month ago

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Rubik's Cube: 30 Moves or Less : Contest Scoring (Time/Size/Moves)
This Challenge is to solve a thoroughly scrambled Rubik's cube with the best score (30 moves max). Score is Moves + Size/2000 + ...

1 month ago

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Rubik's Cube: 30 Moves or Less : Cody Size
This Challenge is to solve a thoroughly scrambled Rubik's cube with smallest code (30 moves max). Rubik's Cube can be solved ...

1 month ago

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Rubik's Cube: 30 Moves or Less : Minimum Moves
This Challenge is to solve a thoroughly scrambled Rubik's cube in the least moves (30 moves max). Rubik's Cube can be solved ...

1 month ago

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Rubik's Mini Cube: Solve Randomized Cube in 11 Moves or Less; Score is by Time (msec)
The Challenge is to Near or Optimally Solve a thoroughly scrambled Mini-Rubik's Cube(2x2x2). Any Mini-Cube can be solved in 1...

1 month ago

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Rubik's Mini-Cube: Solve Randomized Mini-Cube - Score : Moves
The Challenge is to Solve a thoroughly scrambled Mini-Rubik's Cube(2x2x2). The Performance metric is average number of moves ...

1 month ago

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Rubik's Cube : Solve Ten Face Move - Speed Scoring
A set of cubes will be scrambled with 10 Face moves. The Challenge is to Solve all Cubes in 10 Moves or Less. Score will be by...

2 months ago

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Title
Make a plot for x and add title "My Plot". NOTICE: YOU CAN NOT USE ans INSTEAD OF [y ax]!

2 months ago

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Plot
Make a plot of the vector x. NOTICE: YOU CAN NOT USE ans INSTEAD OF y!

2 months ago