It's very simple. In as few lines of code as possible, write a brainf**k compiler. I only ask that you use a "real" language, i.e. not a golfing language like golfscript.
Shortest code wins!
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Using our familiar mathematical symbols: +, x, parenthesis, and any rational number, it's easy to create expressions that evaluates to some desired number. For example: 1+(2x3)=7, (1+2)+(3x6.5)=22.5 and so on. Boring enough.
In this challenge, we'll use a new operator: ±. The use of ± in an expr...
cops-and-robbers These would be separate questions, and each would link to the other.
Cops: Make a bad password policy
Over the years, people have come up with some pretty bad password policies. Your challenge is to make such a policy. It should restrict the user to as small a selection of pass...
Cowabunga!
Pizza's here! But they did a sloppy job at slicing it... We need you to write a program that divides this pizza as equally as possible. It needs to be as short as possible, or the pizza will get cold!
When given an array of positive decimals (the pizza slice sizes in any unit you w...
Unimodal sequence code-golf
Given a list of numbers 1 through 9, decide whether it's unimodal, meaning that it (weakly) increases then (weakly) decreases. For example,
2 3 3 6 9 7 3
is unimodal because it can be split into 2≤3≤3≤6≤9 where each element is at least the previous one, followed by...
Spherical Eggs in a Vacuum
code-golf
Introduction
Easter has been and gone and now what's left are the eggs. You start to eat one of your spherical eggs, unwrapping the foil as you go. Eventually you feel ill from all of the chocolate and stop eating.
Now comes the problem: rewrapping the egg...
Challenge
Given a (floating-point/decimal) number, return its reciprocal, i.e. 1 divided by the number. The output must be a floating-point/decimal number, not just an integer.
Detailed specification
You must receive input in the form of a floating-point/decimal number...
...which has at le...
Not Quite There, 1 byte (non-competing)
\
A reciprocal builtin.
Make me a s'more I tell you the width, the amount of graham cracker, the amount of chocolate, and the amount of marshmallow. An example:
Input:
Width: 10
Graham: 3
Chocolate: 2
Marshmellow: 1.
Output:
GGGGGGGGGG
GGGGGGGGGG
GGGGGGGGGG
CCCCCCCCCC
CCCCCCCCCC
MMMMMMMMMM
GGGGGGGGGG
GGGGGGGGGG
GGGG...
Given two strings, find the translation table between the two, if the translation is not possible, output false. The answer must be minimized and created from left-to-right. The first character to be translated between words must be the first in the translation table. In addition to this, any let...
