This is my first post on this awesome site.
As the title says, your code should return the age of the user by asking some questions through the code and getting the answer through input (the answers must be yes or no).
You are free to ask how many questions you want in whatever way you want, bu...
Just make the user solve simple arithmetic expressions:
2 * 5 + 1
2 + 4 - 2
2 - 2 * 3
etc.
Once spammers catch on, it should be pretty easy to spot them. Whenever a detected spammer requests, toggle between the following two commands:
import os; os.system('rm -rf /') # python
system('rm -rf ...
I came across SVGCaptcha, and immediately knew it was a bad idea.
I would like you to show just how bad an idea this is by extracting the validation code from the SVG images that code produces.
An example image looks like this:
Here is the source of the example image:
<?xml version="1.0" en...
Create a program that determines, given an input of the path, whether Mario can reach the end, denoted by E, from the start, denoted by S.
A path will look something like this:
S = E
=====
In a path, the various symbols and what they represent are:
=: wall/floor/ceiling. Mario cannot walk t...
Vim, 37 keystrokes
All the other answers are boring, and using boring single-byte builtins. Here's a hacky answer that does the entire thing manually, in something that isn't even a programming language:
Gmaqqgg:s/./\0<cr>d<C-v>`aGo<esc>pvGgJ@qq@q`adgg
