Small cleanup

1 files changed, 1 insertions, 3 deletions

diff --git a/2023/16/16b.c b/2023/16/16b.c
index ce42c31..6247942 100644
--- a/2023/16/16b.c
+++ b/2023/16/16b.c
@@ -1,6 +1,4 @@
-#include <stdbool.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 
 #define M 200
@@ -26,7 +24,7 @@ void walk(int i, int j, int d) {
         if (!entered[i][j]) s++;
         entered[i][j] |= d;
         for (int k = 1; k <= 8; k <<= 1)
-                if (k & turn[d][map[i][j]])
+                if (k & turn[d][(int)map[i][j]])
                         walk(i+go[k][0], j+go[k][1], k);
 }