Update others/{mHoang,mkcal}

1 files changed, 19 insertions, 0 deletions

diff --git a/others/mHoang/triangle.c b/others/mHoang/triangle.c
new file mode 100644
index 0000000..0f5d28e
--- /dev/null
+++ b/others/mHoang/triangle.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+char angle(long x, long y, long z)
+{
+	long long tmp = x * x + y * y - z * z;
+
+	return (tmp ? (tmp > 0 ? 1 : 2) : tmp);
+}
+
+int main()
+{
+	long a, b, c;
+
+	scanf("%ld %ld %ld", &a, &b, &c);
+
+	printf("%hhd\n", angle(a, b, c) * angle(b, c, a) * angle(c, a, b));
+
+	return 0;
+}