From 4d663d7b570c87b6b10f328fd97f066faab8b71c Mon Sep 17 00:00:00 2001 From: Deven <63876261+devenperez@users.noreply.github.com> Date: Mon, 19 Sep 2022 14:04:24 -0400 Subject: [PATCH] Create README - LeetHub --- 1476-subrectangle-queries/README.md | 80 +++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 1476-subrectangle-queries/README.md diff --git a/1476-subrectangle-queries/README.md b/1476-subrectangle-queries/README.md new file mode 100644 index 0000000..2869a77 --- /dev/null +++ b/1476-subrectangle-queries/README.md @@ -0,0 +1,80 @@ +

1476. Subrectangle Queries

Medium


Implement the class SubrectangleQueries which receives a rows x cols rectangle as a matrix of integers in the constructor and supports two methods:

+ +

1. updateSubrectangle(int row1, int col1, int row2, int col2, int newValue)

+ + + +

2. getValue(int row, int col)

+ + + +

 

+

Example 1:

+ +
Input
+["SubrectangleQueries","getValue","updateSubrectangle","getValue","getValue","updateSubrectangle","getValue","getValue"]
+[[[[1,2,1],[4,3,4],[3,2,1],[1,1,1]]],[0,2],[0,0,3,2,5],[0,2],[3,1],[3,0,3,2,10],[3,1],[0,2]]
+Output
+[null,1,null,5,5,null,10,5]
+Explanation
+SubrectangleQueries subrectangleQueries = new SubrectangleQueries([[1,2,1],[4,3,4],[3,2,1],[1,1,1]]);  
+// The initial rectangle (4x3) looks like:
+// 1 2 1
+// 4 3 4
+// 3 2 1
+// 1 1 1
+subrectangleQueries.getValue(0, 2); // return 1
+subrectangleQueries.updateSubrectangle(0, 0, 3, 2, 5);
+// After this update the rectangle looks like:
+// 5 5 5
+// 5 5 5
+// 5 5 5
+// 5 5 5 
+subrectangleQueries.getValue(0, 2); // return 5
+subrectangleQueries.getValue(3, 1); // return 5
+subrectangleQueries.updateSubrectangle(3, 0, 3, 2, 10);
+// After this update the rectangle looks like:
+// 5   5   5
+// 5   5   5
+// 5   5   5
+// 10  10  10 
+subrectangleQueries.getValue(3, 1); // return 10
+subrectangleQueries.getValue(0, 2); // return 5
+
+ +

Example 2:

+ +
Input
+["SubrectangleQueries","getValue","updateSubrectangle","getValue","getValue","updateSubrectangle","getValue"]
+[[[[1,1,1],[2,2,2],[3,3,3]]],[0,0],[0,0,2,2,100],[0,0],[2,2],[1,1,2,2,20],[2,2]]
+Output
+[null,1,null,100,100,null,20]
+Explanation
+SubrectangleQueries subrectangleQueries = new SubrectangleQueries([[1,1,1],[2,2,2],[3,3,3]]);
+subrectangleQueries.getValue(0, 0); // return 1
+subrectangleQueries.updateSubrectangle(0, 0, 2, 2, 100);
+subrectangleQueries.getValue(0, 0); // return 100
+subrectangleQueries.getValue(2, 2); // return 100
+subrectangleQueries.updateSubrectangle(1, 1, 2, 2, 20);
+subrectangleQueries.getValue(2, 2); // return 20
+
+ +

 

+

Constraints:

+ + +
\ No newline at end of file