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Puzzling
RDK's user avatar
RDK's user avatar
RDK's user avatar
RDK
  • Member for 2 months
  • Last seen this week
  • Seoul, Republic of Korea
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About

Ι’m a Korean High—Schooler, and also a great fan of Mathematics and Programming.

Ι’m especially fascinated with Functional Equations, Equations of Motion in Math, and Python, Clang, Java in Programming.

(Recently, I have a great interest in puzzling!)

My profile image is a graph of P-pos in Wythoff NIM-Game.

My Activation Time: 17:00~02:00, KST(Inactive in Exam Terms)

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30
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18
Posts
40
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20
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11
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24
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16
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5
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11
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10
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7
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16
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9
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5
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11
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Top posts
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19
I can do something impossible
Mar 1
18
I'm looking for...ah, found it!
Apr 26
15
Stein Coins for Local Terra - Place 8 Double-Sided Mirrors!
Apr 10
11
Make him shuffle most!
May 5
11
Add 2 matches to make a valid expression - 242+02->2420
Feb 24
10
Coverable and Non-Coverable?
Feb 23
10
I need just a word...
Apr 8
9
What happened to these triangles?
Apr 12
9
Place 1 through 7 into the circle to make equal sums
Apr 7
8
Seven nines to make ninety
Feb 25
Top network posts
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14
Show that no non-zero integers satisfy this pair of equations (from Baltic Way 2021)
11
If $z=-\dfrac12-\dfrac{\sqrt{3}}{{2}}i$, find the value of $z^4+z^8$.
11
Proving irreducibility for $\frac{a^2+b^2}{ac+bd}$
7
how to calculate the area of ​the painted circle?