Update

youngyangyang04 · youngyangyang04 · commit c6a1db30d0a4 · 2020-12-06T23:13:01.000+08:00
diff --git a/README.md b/README.md
@@ -48,6 +48,7 @@
     * [深圳原来有这么多互联网公司，你都知道么？](https://mp.weixin.qq.com/s/Yzrkim-5bY0Df66Ao-hoqA)
     * [北京有这些互联网公司，你都知道么？](https://mp.weixin.qq.com/s/FQTzoZtqXQ2rlS1UthGrag)
     * [上海有这些互联网公司，你都知道么？](https://mp.weixin.qq.com/s/msqbX6eR2-JBQOYFfec4sg)
+    * [成都有这些互联网公司，你都知道么？](https://mp.weixin.qq.com/s/Y9Qg22WEsBngs8B-K8acqQ)
 
 * 数组
     * [必须掌握的数组理论知识](https://mp.weixin.qq.com/s/X7R55wSENyY62le0Fiawsg)
diff --git a/problems/1005.K次取反后最大化的数组和.md b/problems/1005.K次取反后最大化的数组和.md
@@ -70,7 +70,7 @@ public:
                 K--;
             }
         }
-        while (K--) A[A.size() - 1] *= -1;  // 第三步 
+        if (K % 2 == 1) A[A.size() - 1] *= -1; // 第三步 
         int result = 0;
         for (int a : A) result += a;        // 第四步
         return result;
