1 files changed, 16 insertions, 0 deletions
diff --git a/day1.c b/day1.c
new file mode 100644
index 0000000..365e525
--- /dev/null
+++ b/day1.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main() {
+  int ch, floor = 0;
+  while ((ch = getchar()) != EOF) {
+    switch(ch) {
+      case '(':
+        floor += 1;
+        break;
+      case ')':
+        floor -= 1;
+    }
+  }
+  printf("%d\n", floor);
+  return 0;
+}