From f04576aad35430242082f27f8baf55055acb2e5a Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Mon, 11 Dec 2023 15:20:48 -0500
Subject: Solve day 3 part 2

---
 2023/day03.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/2023/day03.c b/2023/day03.c
index eba3382..4b91695 100644
--- a/2023/day03.c
+++ b/2023/day03.c
@@ -3,7 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 int main(void) {
-	int sum = 0;
+	int sum = 0, sum2 = 0;
 	char g[150][150];
 	int h = 0;
 	while (gets(g[h++]));
@@ -11,14 +11,19 @@ int main(void) {
 	for (int y = 0; y < h; ++y)
 	for (int x = 0; x < w; ++x) {
 		if (g[y][x] == '.' || isdigit(g[y][x])) continue;
+		int n = 0, r = 1;
 		for (int i = -1; i <= +1; ++i)
 		for (int j = -1; j <= +1; ++j) {
 			char *p = &g[y+i][x+j];
 			if (!isdigit(*p)) continue;
 			while (p > g[y+i] && isdigit(p[-1])) p--;
 			sum += atoi(p);
+			r *= atoi(p);
+			n++;
 			while (isdigit(*p)) *p++ = '.';
 		}
+		if (n == 2) sum2 += r;
 	}
 	printf("%d\n", sum);
+	printf("%d\n", sum2);
 }
-- 
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