From cc475a8b16b0e9323623c6532e114dceeb64353a Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 21 Jun 2021 15:53:42 +0800
Subject: +recursions

---
 Assets/Algorithms/Algorithms.cs | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Assets/Algorithms/Algorithms.cs

(limited to 'Assets/Algorithms/Algorithms.cs')

diff --git a/Assets/Algorithms/Algorithms.cs b/Assets/Algorithms/Algorithms.cs
new file mode 100644
index 0000000..31be4a8
--- /dev/null
+++ b/Assets/Algorithms/Algorithms.cs
@@ -0,0 +1,34 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace AlgorithmCollection
+{
+
+    public static partial class Algorithms
+    {
+        public static void Swap<T>(ref T v1, ref T v2)
+        {
+            T temp = v1;
+            v1 = v2;
+            v2 = temp;
+        }
+
+        public static void Swap<T>(ref List<T> data, int i1, int i2)
+        {
+            T temp = data[i1];
+            data[i1] = data[i2];
+            data[i2] = temp;
+        }
+
+        // 阶乘
+        public static int Factorial(int n)
+        {
+            if (n == 1)
+                return 1;
+            return n * Factorial(n - 1);
+        }
+
+    }
+
+}
\ No newline at end of file
-- 
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