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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 1: Not Quite Lisp ---
Santa was hoping for a white Christmas, but his weather machine's "snow" function is powered by
stars, and he's fresh out! To save Christmas, he needs you to collect fifty stars by December
25th.
Santa was hoping for a white Christmas, but his weather machine's "snow"
function is powered by stars, and he's fresh out! To save Christmas, he
needs you to collect fifty stars by December 25th.
Collect stars by helping Santa solve puzzles. Two puzzles will be made available on each day in
the advent calendar; the second puzzle is unlocked when you complete the first. Each puzzle
grants one star. Good luck!
Collect stars by helping Santa solve puzzles. Two puzzles will be made
available on each day in the advent calendar; the second puzzle is unlocked
when you complete the first. Each puzzle grants one star. Good luck!
Here's an easy puzzle to warm you up.
Santa is trying to deliver presents in a large apartment building, but he can't find the right
floor - the directions he got are a little confusing. He starts on the ground floor (floor 0)
and then follows the instructions one character at a time.
Santa is trying to deliver presents in a large apartment building, but he
can't find the right floor - the directions he got are a little confusing.
He starts on the ground floor (floor 0) and then follows the instructions
one character at a time.
An opening parenthesis, (, means he should go up one floor, and a closing parenthesis, ), means
he should go down one floor.
An opening parenthesis, (, means he should go up one floor, and a closing
parenthesis, ), means he should go down one floor.
The apartment building is very tall, and the basement is very deep; he will never find the top
or bottom floors.
The apartment building is very tall, and the basement is very deep; he will
never find the top or bottom floors.
For example:
@@ -44,16 +37,17 @@
--- Part Two ---
Now, given the same instructions, find the position of the first character that causes him to
enter the basement (floor -1). The first character in the instructions has position 1, the
second character has position 2, and so on.
Now, given the same instructions, find the position of the first character
that causes him to enter the basement (floor -1). The first character in the
instructions has position 1, the second character has position 2, and so on.
For example:
• ) causes him to enter the basement at character position 1.
• ()()) causes him to enter the basement at character position 5.
What is the position of the character that causes Santa to first enter the basement?
What is the position of the character that causes Santa to first enter the
basement?
Your puzzle answer was 1771.
@@ -63,8 +57,6 @@
If you still want to see it, you can get your puzzle input.
You can also [Shareon Twitter Google+ Reddit] this puzzle.
References
Visible links
@@ -76,6 +68,3 @@ References
. http://adventofcode.com/auth/logout
. http://adventofcode.com/
. http://adventofcode.com/day/1/input
. https://twitter.com/intent/tweet?text=I%27ve+completed+%22Not+Quite+Lisp%22+%2D+Day+1+%2D+Advent+of+Code&url=http%3A%2F%2Fadventofcode%2Ecom%2Fday%2F1&related=ericwastl&hashtags=AdventOfCode
. https://plus.google.com/share?url=http%3A%2F%2Fadventofcode%2Ecom%2Fday%2F1
. http://www.reddit.com/submit?url=http%3A%2F%2Fadventofcode%2Ecom%2Fday%2F1&title=I%27ve+completed+%22Not+Quite+Lisp%22+%2D+Day+1+%2D+Advent+of+Code