chrisly42/advent-of-code
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Bugfix for an edge case that wasn't in the input, gladly.

Browse Source 
Change-Id: I7b1123e8f65d138dab777ea8383852f85402d59a
This commit is contained in:
Chris Hodges 2024-12-03 11:20:38 +01:00
parent b770db22c6
commit 64ba775ca6
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/aoc2024/Day03.kt
View File

@ -22,7 +22,7 @@ fun main() {
xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))
"""
val inlineTestInput2 = """
xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5)
xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5)don't()mul(10,10)
"""
fun part1(input: List<String>): Int {
@ -32,7 +32,7 @@ xmul(2,4)&mul[3,7]!^don't()_mul(5,5)+mul(32,64](mul(11,8)undo()?mul(8,5)
fun part2(input: List<String>): Int {
return "mul\\((\\d+),(\\d+)\\)".toRegex()
.findAll(input.joinToString("").replace("(don't\\(\\).*?)+do\\(\\)".toRegex(), ""))
.findAll((input.joinToString("") + "do()").replace("(don't\\(\\).*?)+(do\\(\\)|$)".toRegex(), ""))
.sumOf { it.groupValues[1].toInt() * it.groupValues[2].toInt() }
}