1 files changed, 25 insertions, 0 deletions
diff --git a/2015/01/puzzles.c b/2015/01/puzzles.c
new file mode 100644
index 0000000..6690a64
--- /dev/null
+++ b/2015/01/puzzles.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main(void)
+{
+	int c;
+	FILE *fp = fopen("input", "r");
+
+	register int floor = 0;
+	for (register unsigned int i = 1; (c = fgetc(fp)) != EOF; i++) {
+		floor += (c == '(') ? 1 : -1;
+#ifdef PART2
+		if (floor == -1) {
+			printf("%u\n", i);
+			return EXIT_SUCCESS;
+		}
+#endif
+	}
+
+	fclose(fp);
+	printf("%d\n", floor);
+
+	return EXIT_SUCCESS;
+}