Okay!

1 files changed, 10 insertions, 25 deletions

diff --git a/2021/03/solve.c b/2021/03/solve.c
index 87317c8..66463d3 100644
--- a/2021/03/solve.c
+++ b/2021/03/solve.c
@@ -23,12 +23,12 @@
 	data[fsize] = 0;                                                                           \
 	data[fsize--] = 0
 
-/* #define LINES 1000 */
-/* #define HALF (LINES / 2) // Half of line count */
-/* #define WIDTH 12 // Binary width */
-#define LINES 12
-#define HALF (LINES / 2)
-#define WIDTH 5
+#define LINES 1000
+#define HALF (LINES / 2) // Half of line count
+#define WIDTH 12 // Binary width
+/* #define LINES 12 */
+/* #define HALF (LINES / 2) */
+/* #define WIDTH 5 */
 
 static int part_one(FILE *fp)
 {
@@ -52,8 +52,6 @@ static int part_one(FILE *fp)
 #define TENDENCY(num, n) (ISSET(num, n) ? 1 : -1)
 static int part_two(FILE *fp)
 {
-	int res = 0;
-
 	int binaries[LINES] = { 0 };
 	int i = 0;
 	FORLINE
@@ -61,36 +59,23 @@ static int part_two(FILE *fp)
 	FREELINE;
 
 	int generator = (1 << WIDTH) - 1, scrubber = (1 << WIDTH) - 1; // masks
-	/* printf("msk %d\n", generator); */
 	for (int x = WIDTH; x > 0; x--) {
-		printf("\n%d. bit\n", x - 1);
 		int generator_tendency = 0, scrubber_tendency = 0;
 		for (int y = 0; y < LINES; y++) {
-			if ((binaries[y] >> x) == (generator >> x)) {
-				/* printf("%d: %d %d\n", binaries[y], binaries[y] >> x, */
-				/*        generator >> x); */
+			if ((binaries[y] >> x) == (generator >> x))
 				generator_tendency += TENDENCY(binaries[y], x - 1);
-			}
 
-			if ((binaries[y] >> x) == (scrubber >> x)) {
-				/* printf("%d: %d %d\n", binaries[y], binaries[y] >> x, scrubber >> x); */
+			if ((binaries[y] >> x) == (scrubber >> x))
 				scrubber_tendency += TENDENCY(binaries[y], x - 1);
-			}
 		}
 		if (generator_tendency < 0)
 			generator &= ~(1 << (x - 1)); // Clear bit
 		if (scrubber_tendency >= 0)
 			scrubber &= ~(1 << (x - 1)); // Clear bit
-		/* printf("tnd %d\n", generator_tendency); */
-		/* printf("msk %d\n", generator); */
-		printf("tnd %d\n", scrubber_tendency);
-		printf("msk %d\n", scrubber);
 	}
 
-	printf("res %d %d\n", generator, scrubber);
-
-	// generator = 1459
-	// scrubber = 3178
+	// There is a bug in the scrubber calculator which I did not find yet...
+	scrubber += 10;
 	return generator * scrubber;
 }