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| -rw-r--r-- | src/2015/day1/README.md | 24 | ||||
| -rw-r--r-- | src/2015/day1/input | 1 |
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diff --git a/src/2015/day1/README.md b/src/2015/day1/README.md new file mode 100644 index 0000000..98b59a6 --- /dev/null +++ b/src/2015/day1/README.md @@ -0,0 +1,24 @@ +--- 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. + +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. + +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. + +For example: + + (()) and ()() both result in floor 0. + ((( and (()(()( both result in floor 3. + ))((((( also results in floor 3. + ()) and ))( both result in floor -1 (the first basement level). + ))) and )())()) both result in floor -3. + +To what floor do the instructions take Santa? + diff --git a/src/2015/day1/input b/src/2015/day1/input new file mode 100644 index 0000000..becde71 --- /dev/null +++ b/src/2015/day1/input @@ -0,0 +1 @@ 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