From 8acd1b3f2b2ee9f24bc31c35f3018339561d965e Mon Sep 17 00:00:00 2001
From: xiangmy21 <xiangmy21@mails.tsinghua.edu.cn>
Date: Fri, 8 Jul 2022 15:27:33 +0800
Subject: [PATCH] modified Counting.cs

---
 hw1/hw1/Counting.cs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/hw1/hw1/Counting.cs b/hw1/hw1/Counting.cs
index b8e76f4..406f85c 100644
--- a/hw1/hw1/Counting.cs
+++ b/hw1/hw1/Counting.cs
@@ -52,5 +52,20 @@ public class Counting : ICountableVariable
         //
         // 注意：是Variable被修改！！！
         // 如果Variable要被赋予的值与当前的值相同，这并不是被修改！
+        private int variable;
+        private int readTimes;
+        private int writeTimes;
+        public int Variable
+        {
+            get { readTimes++; return variable; }
+            set
+            {
+                int tmp = value>=0 ? value : 0;
+                if (tmp != variable) writeTimes++;
+                variable = tmp;
+            }
+        }
+        public int ReadTimes { get => readTimes; }
+        public int WriteTimes { get => writeTimes; }
     }
 }