From 60a886d9b8b7a398a4109be250121fb229aa8e78 Mon Sep 17 00:00:00 2001
From: smalam119 <smalam119@gmail.com>
Date: Fri, 20 Apr 2018 01:41:36 +0600
Subject: [PATCH] gcd added

---
 ProblemSolving/GCD.swift | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 ProblemSolving/GCD.swift

diff --git a/ProblemSolving/GCD.swift b/ProblemSolving/GCD.swift
new file mode 100644
index 0000000..077056b
--- /dev/null
+++ b/ProblemSolving/GCD.swift
@@ -0,0 +1,13 @@
+//Sayed Mahmudul Alam
+//Greatest Common Divisor
+
+struct GCD {
+    func getGCD(a: Int, b: Int) -> Int {
+        let r = a % b
+        if r != 0 {
+            return getGCD(a: b, b: r)
+        } else {
+            return b
+        }
+    }
+}
\ No newline at end of file