Introduction
In the error outputs of some languages such as Java, a pointer is shown to give the programmer an idea of exactly where the error went wrong.
Take this example on Ideone:
Main.java:12: error: ';' expected
Invalid Java!
^
Notice the caret shows where the inva...
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We have disabled all forms of community wiki automatic conversions, not just for answers but for questions as well. The feature was never really about encouraging substantive edits as much as it was about prevent abuse. And in fact it punished people who made not just substantive edits, but lots ...
The skew binary number system is a non-standard positional numeral system in which the nth digit has a value of and each digit has a value of 0, 1, or 2. Each number can be written uniquely in skew binary canonical form where there is only at most one instance of the digit 2, which must be the first non-zero least significant digit, as shown in following table:
The advantage of skew binary is that each increment operation can be done with at most one carry operation. This exploits the fact that . Incrementing a skew binary number is done by setting the only two to a zero and incrementing the next...
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Generate boxes
Your task is to generate boxes using any one ASCII character with respect to the inputs given.
Test Cases
1 1 --> =====
= =
=====
1 2 --> =========
= = =
=========
2 1 --> =====
= =
=====
= =...
Randall Munroe's book "xkcd, volume 0" uses a rather odd number system for the page numbers. The first few page numbers are
1, 2, 10, 11, 12, 20, 100, 101, 102, 110, 111, 112, 120, 200, 1000, 1001, ...
This looks a bit like ternary, but notice that he skips from 20 straight to 100, from 120 to...
