add note to binary search

keineahnung2345 · Apr 18, 2022 · 25c564d · 25c564d
1 parent af3cb91
commit 25c564d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/378. Kth Smallest Element in a Sorted Matrix.md b/378. Kth Smallest Element in a Sorted Matrix.md
@@ -92,6 +92,8 @@ Runtime: 36 ms, faster than 94.39% of C++ online submissions for Kth Smallest El
 
 Memory Usage: 11.1 MB, less than 100.00% of C++ online submissions for Kth Smallest Element in a Sorted Matrix.
 
+Guess a `mid` and then find out it's `count` th smallest number, we then decide to search left or right depending on the comparing result of `count` and `k`.
+
 ```cpp
 class Solution {
 public: