Introduction You may not have noticed, but the Olympics have started in Brazil. For that reason, I want to know, when watching the Olympics, which team is which. Challenge Given the three letter country code as input (given in capitals), output the country's full flag as given by the official ...

Interpret a Formal Grammar Given a context-free grammar, and a string, parse the string using the formal grammar and output the matches for the non-terminals. Examples First line is string, following lines are grammar, then is the main grammar to parse, last line is output. 123 n -> any of ...

Brain-Flak, 6588, 2310, 2308, 2290 bytes First things first, I did not write nearly 100% of this program, which is probably evidenced by the enormous size of the program. Most of this code was written by my own Brain-Flak golfing algorithm. Along with an additional python script I wrote to pro...

Use default arguments Declaring Cheddar variables can be quite the byte-waster: ->{var a=b+1} luckily, you can (ab)use function default values for creating variables: b=a+1->b Here are some examples of uses: let f= (a,b=a+1)->b f(5) // 6 let f= a=Math.rand()->a f() // 0.8757450950797647