From d40c9b81db3caff8ecca79df92241bc0c28a468c Mon Sep 17 00:00:00 2001
From: Raphael McSinyx <vn.mcsinyx@gmail.com>
Date: Sun, 19 Feb 2017 22:28:52 +0700
Subject: Translate easy programs to Scheme

---
 others/mHoang/decor.scm    | 2 ++
 others/mHoang/pfactor.scm  | 9 +++++++++
 others/mHoang/triangle.scm | 5 +++++
 3 files changed, 16 insertions(+)
 create mode 100644 others/mHoang/decor.scm
 create mode 100644 others/mHoang/pfactor.scm
 create mode 100644 others/mHoang/triangle.scm

(limited to 'others/mHoang')

diff --git a/others/mHoang/decor.scm b/others/mHoang/decor.scm
new file mode 100644
index 0000000..1b4cea2
--- /dev/null
+++ b/others/mHoang/decor.scm
@@ -0,0 +1,2 @@
+(display (exact-integer-sqrt (read)))
+(newline)
diff --git a/others/mHoang/pfactor.scm b/others/mHoang/pfactor.scm
new file mode 100644
index 0000000..4e3bd17
--- /dev/null
+++ b/others/mHoang/pfactor.scm
@@ -0,0 +1,9 @@
+(define (div dividend divisor)
+  (if (= (remainder dividend divisor) 0)
+      (div (/ dividend divisor) divisor)
+      dividend))
+(display (let* ((n (read)) (s (exact-integer-sqrt n)))
+           (do ((i 2 (+ i 1)))
+               ((or (= (div n i) 1) (> i s)) (if (> i s) n i))
+             (set! n (div n i)))))
+(newline)
diff --git a/others/mHoang/triangle.scm b/others/mHoang/triangle.scm
new file mode 100644
index 0000000..33a154b
--- /dev/null
+++ b/others/mHoang/triangle.scm
@@ -0,0 +1,5 @@
+(define (angel-90 a b c)
+  ((lambda (x) (if (= x 0) 0 (/ x (abs x)))) (+ (* a a) (* b b) (- (* c c)))))
+(display (let ((a (read)) (b (read)) (c (read)))
+           (modulo (* (angel-90 a b c) (angel-90 b c a) (angel-90 c a b)) 3)))
+(newline)
-- 
cgit 1.4.1