advent2023

commit 1094963efd3db16c43de4349b1ef3c1514e60f64
parent 431701cd9d7f15d78230f18a6fef25ee7925f66a
Author: bsandro <email@bsandro.tech>
Date:   Sun,  3 Dec 2023 14:26:29 +0200

day 03 p1 passing 2d array as a pointer

Diffstat:
M
day03/puzzle.c
 | 
12
+++++-------

1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/day03/puzzle.c b/day03/puzzle.c
@@ -11,22 +11,20 @@
 
 #define STR_LEN 2048
 // 140x140 for real one
-//#define FIELD_SIZE 10
-#define FIELD_SIZE 140
-
-// 1200837 was wrong
+#define FIELD_SIZE 10
+//#define FIELD_SIZE 140
 
 bool is_digit(char b) {
 	return b>='0' && b<='9';
 }
 
-bool check_part(int x, int y, const char field[FIELD_SIZE][FIELD_SIZE]) {
+bool check_part(int x, int y, const char (*field)[FIELD_SIZE][FIELD_SIZE]) {
 	for (int dy=-1; dy<=1; ++dy) {
 		for (int dx=-1; dx<=1; ++dx) {
 			int dy1=y+dy;
 			int dx1=x+dx;
 			if (dy1>=0 && dy1<FIELD_SIZE && dx1>=0 && dx1<FIELD_SIZE) {
-				if (!is_digit(field[dy1][dx1]) && field[dy1][dx1]!='.') {
+				if (!is_digit((*field)[dy1][dx1]) && (*field)[dy1][dx1]!='.') {
 					return true;
 				}
 			}
@@ -68,7 +66,7 @@ void puzzle(const char *filename, long long *result1, long long *result2) {
 			while (is_digit(field[y][x++])) {
 				int cx = x-1;
 				if (cx>=FIELD_SIZE) break; // too lazy to make it sane
-				if (!is_part) is_part = check_part(cx, y, field);
+				if (!is_part) is_part = check_part(cx, y, &field);
 				digit = digit*10 + field[y][cx] - '0';
 			}
 			if (digit>0 && is_part) {