Explanation: There are four 2x2 rectangles, four 2x3 and 3x2 rectangles, and one 3x3 rectangle. Example 3: Input: grid = [[1, 1, 1, 1]] Output: 0 Explanation: Rectangles must have four distinct corners. Note: The number of rows and columns ofgridwill each be in the range[1, 200...
Given a grid where each entry is only 0 or 1, find the number of corner rectangles. Acorner rectangleis 4 distinct 1s on the grid that form an axis-aligned rectangle. Note that only the corners need to have the value 1. Also, all four 1s used must be distinct. Example 1: Input: ...
Explanation:There are four 2x2 rectangles, four 2x3 and 3x2 rectangles, and one 3x3 rectangle. Example 3: Input:grid = [[1, 1, 1, 1]] Output:0 Explanation:Rectangles must have four distinct corners. Note: The number of rows and columns ofgridwill each be in the range[1, 200]. E...
Explanation:There are four 2x2 rectangles, four 2x3 and 3x2 rectangles, and one 3x3 rectangle. Example 3: Input:grid = [[1, 1, 1, 1]] Output:0 Explanation:Rectangles must have four distinct corners. Note: The number of rows and columns ofgridwill each be in the range[1, 200]. E...
题目描述: LeetCode 750. Number Of Corner Rectangles Given a grid where each entry is only 0 or 1, find the number of corner rectangles. A corner rectangle is 4 distinct 1s on the grid that form an axis-aligned rectangle. Note that only the corners need
Explanation: There are four 2x2 rectangles, four 2x3 and 3x2 rectangles, and one 3x3 rectangle. Example 3: Input: grid = [[1, 1, 1, 1]] Output: 0 Explanation: Rectangles must have four distinct corners. Note: The number of rows and columns ofgridwill each be in the range[1, 200...
Given a grid where each entry is only 0 or 1, find the number of corner rectangles. Acorner rectangleis 4 distinct 1s on the grid that form an axis-aligned rectangle. Note that only the corners need to have the value 1. Also, all four 1s used must be distinct. ...