2024 - Day 24 - started parsing

src/main/kotlin/no/rodland/advent_2024/Day24.kt

@@ -5,7 +5,7 @@ import no.rodland.advent.Day
 // template generated: 24/12/2024
 // Fredrik Rødland 2024
 
-class Day24(val input: List<String>) : Day<Long, Long, List<String>> {
+class Day24(val input: List<String>) : Day<Long, Long, Pair<List<Day24.Wire>, Map<String, String>>> {
 
     private val parsed = input.parse()
 
@@ -17,11 +17,49 @@ class Day24(val input: List<String>) : Day<Long, Long, List<String>> {
         return 2
     }
 
-    override fun List<String>.parse(): List<String> {
-        return map { line ->
-            line
-        }
+    sealed interface Op {
+        val value: Boolean
     }
 
+    data class VALUE(override var value: Boolean) : Op
+
+    data class AND(var a: Wire, var b: Wire) : Op {
+        override val value: Boolean
+            get() = a.input.value && b.input.value
+    }
+
+    data class OR(var a: Wire, var b: Wire) : Op {
+        override val value: Boolean
+            get() = a.input.value || b.input.value
+    }
+
+    data class XOR(var a: Wire, var b: Wire) : Op {
+        override val value: Boolean
+            get() = a.input.value xor b.input.value
+    }
+
+    data class Wire(val name: String, var input: Op) {}
+
+    //x00: 1
+    //x01: 1
+    //x02: 1
+    //y00: 0
+    //y01: 1
+    //y02: 0
+    //
+    //x00 AND y00 -> z00
+    //x01 XOR y01 -> z01
+    //x02 OR y02 -> z02
+    override fun List<String>.parse(): Pair<List<Wire>, Map<String, String>> {
+        val (first, second) = joinToString("\n").split("\n\n")
+        val values = first.lines().map { it.split(": ").let { it[0] to it[1].toB() } }.map { (name, value) -> Wire(name, VALUE(value)) }
+        val logic = second.lines().associate { line -> line.split(" -> ").let { it[1] to it[0] } }
+
+        return values to logic
+    }
+
+    private fun String.toB() = this == "1"
+
     override val day = "24".toInt()
 }
+

src/test/resources/2024/input_24_test.txt

@@ -1,47 +1,10 @@
 x00: 1
-x01: 0
+x01: 1
 x02: 1
-x03: 1
-x04: 0
-y00: 1
+y00: 0
 y01: 1
-y02: 1
-y03: 1
-y04: 1
+y02: 0
 
-ntg XOR fgs -> mjb
-y02 OR x01 -> tnw
-kwq OR kpj -> z05
-x00 OR x03 -> fst
-tgd XOR rvg -> z01
-vdt OR tnw -> bfw
-bfw AND frj -> z10
-ffh OR nrd -> bqk
-y00 AND y03 -> djm
-y03 OR y00 -> psh
-bqk OR frj -> z08
-tnw OR fst -> frj
-gnj AND tgd -> z11
-bfw XOR mjb -> z00
-x03 OR x00 -> vdt
-gnj AND wpb -> z02
-x04 AND y00 -> kjc
-djm OR pbm -> qhw
-nrd AND vdt -> hwm
-kjc AND fst -> rvg
-y04 OR y02 -> fgs
-y01 AND x02 -> pbm
-ntg OR kjc -> kwq
-psh XOR fgs -> tgd
-qhw XOR tgd -> z09
-pbm OR djm -> kpj
-x03 XOR y03 -> ffh
-x00 XOR y04 -> ntg
-bfw OR bqk -> z06
-nrd XOR fgs -> wpb
-frj XOR qhw -> z04
-bqk OR frj -> z07
-y03 OR x01 -> nrd
-hwm AND bqk -> z03
-tgd XOR rvg -> z12
-tnw OR pbm -> gnj
+x00 AND y00 -> z00
+x01 XOR y01 -> z01
+x02 OR y02 -> z02