Write a program which will eventually (given enough time) print all possible strings of printable ASCII characters EXCEPT itself. You may print either all strings with length less than or equal to your program, or all strings regardless of length.
If your language requires characters that are not...
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Graduation Design Userscript
A collaborative graduation user-script has been put together. Github Repo
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Verify a Picture Hanging
There's a classic puzzle that goes:
Given a picture with a rope and two nails, hang the picture around the nails such that if you remove either nail, the picture falls.
Here's a solution to that problem:
Source: Picture-Hanging Puzzles by Demaine et al.
We might then...
Three points on Poincaré disk
What is Poincaré disk?
Poincaré disk is a projection of 2-dimensional hyperbolic geometry to the 2-dimensional Euclidean plane, or more precisely, onto the open disk \$\{(x,y): x^2 + y^2 < 1^2\}\$.
Objective
It is well-known that three distinct points on the Euclidea...
dimensional flipper maze test-battery (need a better name)
You're stuck in a maze in one corner, and you want to get to the other corner. However, this maze is unfortunately one dimension higher than you (for simplicity of explanation, you are 1D and it is 2D). Thus, you can only see along one hy...
Inspired by and drawns from Is this number Loeschian?
A positive integer k is a Loeschian number if
k can be expressed as i*i + j*j + i*j for i, j integers.
For example, the first positive Loeschian numbers are: 1 (i=1, j=0); 3 (i=j=1); 4 (i=2, j=0); 7 (i=2, j=1); 9 (i=-3, j=3); ... Note that ...
What?
Many programming languages, both practical and esoteric, have functions, methods, etc to convert a given string to a decimal number. This is how the process might work:
For each character in the given string.
Take the character's ASCII value and subtract it by 48.
Multiply the output by 1...
