1 files changed, 0 insertions, 51 deletions
diff --git a/2021-kotlin/src/Day08.kt b/2021-kotlin/src/Day08.kt
deleted file mode 100644
index b513352..0000000
--- a/2021-kotlin/src/Day08.kt
+++ /dev/null
@@ -1,51 +0,0 @@
-object Day08 {
-    fun part1(input: List<String>): Int =
-        input.sumOf {
-            it
-                .split("|")[1]
-                .trim()
-                .split(" ")
-                .map(String::length)
-                .count { len -> len in listOf(2, 3, 4, 7) }
-        }
-
-    fun part2(input: List<String>): Long = input.sumOf { line ->
-        val (patternString, outputString) = line.split("|").map(String::trim)
-        val patterns = patternString.split(" ").map(String::toSet)
-
-        val one = patterns.first { it.size == 2 }
-        val four = patterns.first { it.size == 4 }
-        val seven = patterns.first { it.size == 3 }
-        val eight = patterns.first { it.size == 7 }
-
-        val top = seven - one
-        val middle = patterns.filter { it.size == 5 }.reduce(Set<Char>::intersect) intersect four
-        val five = patterns.filter { it.size == 6 }.reduce(Set<Char>::intersect) + middle
-        val bottom = five - (four + top)
-        val nine = four + top + bottom
-        val lowerLeft = eight - nine
-        val six = five + lowerLeft
-        val lowerRight = one intersect six
-        val three = one + top + middle + bottom
-        val zero = eight - middle
-        val upperLeft = nine - three
-        val two = eight - (upperLeft + lowerRight)
-
-        val encodings = listOf(zero, one, two, three, four, five, six, seven, eight, nine)
-
-        outputString
-            .split(" ")
-            .joinToString("") { encodings.indexOf(it.toSet()).toString() }
-            .toLong()
-    }
-}
-
-fun main() {
-    val testInput = readInputAsLines("Day08_test")
-    check(Day08.part1(testInput) == 26)
-    check(Day08.part2(testInput) == 61229L)
-
-    val input = readInputAsLines("Day08")
-    println(Day08.part1(input))
-    println(Day08.part2(input))
-}