1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -201,7 +201,7 @@ int Ascending(float a,float b)
 ```
 int Descending(float a,float b)
 {
-
+        return a > b;    // 这样比较决定了按降序排序，如果 a>b，则交换
 }
 ```