Merge 24a548e9ce into 52812036d9

package-lock.json

@@ -3910,3 +3910,4 @@
     }
   }
 }
+M HD cghjjvdg

tips/如何选择现在吃什么.md

@@ -25,8 +25,8 @@
 解得
 
 ```javascript
-a = Math.floor((N + 1) / 2);
+const a = Math.floor((N+1)/2);
-b = (N + 1) - a;
+const b = Math.ceil((N+1)/2);
 ```
 
 ### 菜的选择