From 97bb52ed385cb028481c62c897e0e34beb0802e8 Mon Sep 17 00:00:00 2001
From: Sebastian Raaphorst <sraaphorst@gmail.com>
Date: Fri, 13 Dec 2024 21:36:00 -0500
Subject: [PATCH] D10: Removing unused variables.

---
 src/main/kotlin/day10/day10.kt | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/main/kotlin/day10/day10.kt b/src/main/kotlin/day10/day10.kt
index d771a7e..7b048b5 100644
--- a/src/main/kotlin/day10/day10.kt
+++ b/src/main/kotlin/day10/day10.kt
@@ -16,9 +16,6 @@ private fun parse(input: String): List<List<Int>> =
         .map { line -> line.trim().toList().map { it.digitToIntOrNull() ?: -1 } }
 
 private fun findTrails(grid: List<List<Int>>): Map<IntPos2D, Trails> {
-    val rows = grid.size
-    val cols = grid[0].size
-
     val zeros = grid.flatMapIndexed { rowIdx, row ->
         row.mapIndexedNotNull { colIdx, height ->
             if (height == 0) IntPos2D(rowIdx, colIdx) else null