1 files changed, 15 insertions, 0 deletions
diff --git a/coci/2006-2007/contest1/herman.c b/coci/2006-2007/contest1/herman.c
new file mode 100644
index 0000000..718a3ad
--- /dev/null
+++ b/coci/2006-2007/contest1/herman.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+	short r;
+	long r2;
+
+	scanf("%hd", &r);
+	r2 = r * r;
+
+	printf("%.6f\n%ld.000000\n", r2 * M_PI, r2 * 2);
+
+	return 0;
+}