From cd40ed22216a95967662819c7a9f9ad69fc09abd Mon Sep 17 00:00:00 2001
From: Nathan Lasseter <Nathan Lasseter nathan@bytemark.co.uk>
Date: Fri, 4 Dec 2015 16:01:20 +0000
Subject: Free those arrays!

---
 day3.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/day3.c b/day3.c
index 00dca81..7179be6 100644
--- a/day3.c
+++ b/day3.c
@@ -11,10 +11,10 @@ int** make2dWithOffset(int rows, int cols, int roff, int coff) {
   return (arr + roff);
 }
 
-void free2dWithOffset(int** arr, int rows, int roff) {
+void free2dWithOffset(int** arr, int rows, int roff, int coff) {
   int i;
   for(i = -roff; i < rows - roff ; i++)
-    free(arr[i]);
+    free(arr[i] - coff);
   free(arr - roff);
 }
 
@@ -79,6 +79,9 @@ int main() {
         rssum++;
     }
 
+  free2dWithOffset(somap, 400, 200, 200);
+  free2dWithOffset(rsmap, 400, 200, 200);
+
   printf("Santa only: %d\nRobosanta:  %d\n", sosum, rssum);
   return 0;
 }
-- 
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