Update count-submatrices-with-top-left-element-and-sum-less-than-k.cpp

kamyu104 · web-flow · commit 9479a74e8bcd · 2024-03-05T18:01:58.000+08:00
diff --git a/C++/count-submatrices-with-top-left-element-and-sum-less-than-k.cpp b/C++/count-submatrices-with-top-left-element-and-sum-less-than-k.cpp
@@ -1,4 +1,4 @@
-// Time:  O(n^2)
+// Time:  O(n * m)
 // Space: O(1)
 
 // prefix sum
