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Brian Buller
2018-03-15 11:24:23 -05:00
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Advent of Code
br0xen 40*
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Advent of Code
--- Day 12: JSAbacusFramework.io ---
Santa's Accounting-Elves need help balancing the books after a recent order. Unfortunately,
their accounting software uses a peculiar storage format. That's where you come in.
Santa's Accounting-Elves need help balancing the books after a recent order.
Unfortunately, their accounting software uses a peculiar storage format.
That's where you come in.
They have a JSON document which contains a variety of things: arrays ([1,2,3]), objects
({"a":1, "b":2}), numbers, and strings. Your first job is to simply find all of the numbers
throughout the document and add them together.
They have a JSON document which contains a variety of things: arrays
([1,2,3]), objects ({"a":1, "b":2}), numbers, and strings. Your first job is
to simply find all of the numbers throughout the document and add them
together.
For example:
• [1,2,3] and {"a":2,"b":4} both have a sum of 6.
• [[[3]]] and {"a":{"b":4},"c":-1} both have a sum of 3.
• {"a":[-1,1]} and [-1,{"a":1}] both have a sum of 0.
• [] and {} both have a sum of 0.
You will not encounter any strings containing numbers.
@@ -32,27 +29,31 @@
--- Part Two ---
Uh oh - the Accounting-Elves have realized that they double-counted everything red.
Uh oh - the Accounting-Elves have realized that they double-counted
everything red.
Ignore any object (and all of its children) which has any property with the value "red". Do
this only for objects ({...}), not arrays ([...]).
Ignore any object (and all of its children) which has any property with the
value "red". Do this only for objects ({...}), not arrays ([...]).
• [1,2,3] still has a sum of 6.
• [1,{"c":"red","b":2},3] now has a sum of 4, because the middle object is ignored.
• {"d":"red","e":[1,2,3,4],"f":5} now has a sum of 0, because the entire structure is
• [1,{"c":"red","b":2},3] now has a sum of 4, because the middle object is
ignored.
• {"d":"red","e":[1,2,3,4],"f":5} now has a sum of 0, because the entire
structure is ignored.
• [1,"red",5] has a sum of 6, because "red" in an array has no effect.
Your puzzle answer was 87842.
Both parts of this puzzle are complete! They provide two gold stars: **
At this point, you should return to your advent calendar and try another puzzle.
At this point, you should return to your advent calendar and try another
puzzle.
If you still want to see it, you can get your puzzle input.
You can also [Shareon Twitter Google+ Reddit] this puzzle.
References
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@@ -65,6 +66,3 @@ References
. http://json.org/
. http://adventofcode.com/
. http://adventofcode.com/day/12/input
. https://twitter.com/intent/tweet?text=I%27ve+completed+%22JSAbacusFramework%2Eio%22+%2D+Day+12+%2D+Advent+of+Code&url=http%3A%2F%2Fadventofcode%2Ecom%2Fday%2F12&related=ericwastl&hashtags=AdventOfCode
. https://plus.google.com/share?url=http%3A%2F%2Fadventofcode%2Ecom%2Fday%2F12
. http://www.reddit.com/submit?url=http%3A%2F%2Fadventofcode%2Ecom%2Fday%2F12&title=I%27ve+completed+%22JSAbacusFramework%2Eio%22+%2D+Day+12+%2D+Advent+of+Code