From ae3853b6e8ab02023ccd74baac6dc177b1ee879a Mon Sep 17 00:00:00 2001
From: Yigit Sever
Date: Tue, 7 Dec 2021 21:34:31 +0300
Subject: 2021, day2: done

---
 2021/day2/pilot.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/2021/day2/pilot.c b/2021/day2/pilot.c
index 4268cc7..6bc0630 100644
--- a/2021/day2/pilot.c
+++ b/2021/day2/pilot.c
@@ -22,13 +22,23 @@ int main(int argc, char *argv[])
 
 	int scalar;
 	char *way;
+	int h_pos = 0, depth = 0, aim = 0;
 	while ((read = getline(&buffer, &len, fp)) != -1) {
 		sscanf(buffer, "%s %d", way, &scalar);
 		// printf("READ: <%s>, <%d>\n", way, scalar);
 
-		if (strncmp(buffer, "forward", strlen(buffer))) {
+		if (strncmp(way, "forward", strlen("forward")) == 0) {
+			// printf("GOING FORWARD\n");
+			h_pos += scalar;
+			depth += aim * scalar;
+		} else if (strncmp(way, "down", strlen("forward")) == 0) {
+			aim += scalar;
+		} else { /* up */
+			aim -= scalar;
 		}
 	}
 
+	printf("%d\n", depth * h_pos);
+
 	return 0;
 }
-- 
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