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Last seen: 7日前 | 2020 以来アクティブ

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TRON strategy toggle
Detect whether your lightcycle is on same side of existing walls as opponents lightcycle. This function is useful in toggling a...

20日前

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The Answer to Life, the Universe, and Everything
A variation of a previous Hitchhiker's Guide to the Galaxy problem. *Inputs:* Life, the Universe, and Everything *Output:*...

20日前

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How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

20日前

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Who has power to do everything in this world?
There is only one person who is older than this universe. He is Indian version of Chuck Norris.

20日前

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

20日前

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Easy Sequences 8: Triangles with integer sides and prime perimeters
The triangle below is special. It has integer sides and a prime perimeter. Given an integer "n" we want to know how many t...

20日前

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Easy Sequences 40: Quadratic Congruence
Quadratic Congruence is a modular equation of the form: . In this exercise you will be given a vector containing the coefficie...

20日前

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Easy Sequences 9: Faithful Pairs
A "faithful number" is a non-prime number that is one less or one more than some prime number but not both. For example, for num...

21日前

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Easy Sequences 2: Trigonometric function with integral input and output
The function 'F', defined as: , will always return an integer if the input is a natural number (in radian...

21日前

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Stress-Strain Properties - 7
The toughness of a material is technically defined as the plastic strain energy absorbed by the material (the olive region in th...

2ヶ月前

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Stress-Strain Properties - 6
The total energy absorbed by a material up to failure in a tensile test is termed the absorbed strain energy. With respect to th...

2ヶ月前

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Stress-Strain Properties - 5
Similar to the previous problem, materials may be characterized by their stiffness-to-weight ratio, which is the elastic modulus...

2ヶ月前

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Stress-Strain Properties - 4
A common measure of the ability of a material to carry load per unit mass is termed strength-to-weight ratio and is calculated b...

2ヶ月前

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Stress-Strain Properties - 3
A brittle material will not exhibit a yield point. In other words, the yield point and failure point coincide. In such cases, th...

2ヶ月前

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Stress-Strain Properties - 2
The resilience of a material is its ability to resist permanent (or plastic) deformation. The resilience coincides with the elas...

2ヶ月前

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Stress-Strain Properties - 1
This is the first in a series of problems regarding mechanics of materials, in particular, material properties drawn from stress...

2ヶ月前

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Young's modulus
Given a value of <http://en.wikipedia.org/wiki/Young_modulus Young's modulus> (Y) expressed on MegaPascal, convert it to the uni...

2ヶ月前

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Find the slope

2ヶ月前

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Area of square
Find the area of a square whose diagonal length is given as x.

2ヶ月前

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Compute the arithmetic derivative of integers

4ヶ月前

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Find pairs of primes with the same digit sum and a specified separation

4ヶ月前

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Identify prime words

4ヶ月前

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Determine whether a number is unprimeable
The number 204 is unprimeable because no single digit can be changed to make it prime. In contrast, the number 207 is not unprim...

4ヶ月前

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List prime anagrams of a number

4ヶ月前

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Find the smallest prime with n inside

4ヶ月前

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Label primes with the Erdos-Selfridge classification

4ヶ月前

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List the dihedral primes