Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following matrix: 10100101111111110010 Return 4. 在GeeksforGeeks有一个解决该问题的
【LeetCode】85. Maximal Rectangle 解题报告(Python) 最大的矩形面积是多少。 解题方法 本以为会和221. Maximal Square做法一样使用DP解决,可是感觉状态转移方程太复杂,所以还是参考了84. Largest Rectangle in...。 需要注意的是,我们使用一个height数组,保存到某一层的第i个位置为止,能向上构成的矩形的高度。
解法一: classSolution{public:intlargest1BorderedSquare(vector<vector<int>>& grid){intm = grid.size(), n = grid[0].size(); vector<vector<int>>left(m,vector<int>(n)),top(m,vector<int>(n));for(inti =0; i < m; ++i) {for(intj =0; j < n; ++j) {if(grid[i][j] ==0)...
1725. Number Of Rectangles That Can Form The Largest Square # 题目 # You are given an array rectangles where rectangles[i] = [li, wi] represents the ith rectangle of length li and width wi. You can cut the ith rectangle to form a square with a side len
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1classSolution {23func largest1BorderedSquare(_ grid: [[Int]]) ->Int {4varans =05let rowSize =grid.count6let colSize = grid[0].count78func valid(x: Int,y: Int, edgeLength: Int) ->Bool {9let lastY = y + edgeLength -110let lastX = x + edgeLength -111foriinx...lastX {...
LeetCode 1139. Largest 1-Bordered Square 原题链接在这里:https://leetcode.com/problems/largest-1-bordered-square/ 题目: Given a 2Dgridof0s and1s, return the number of elements in the largest square subgrid that has all1s on its border, or0if such a subgrid doesn't exist in thegrid....
Leetcode1139 Largest 1-Bordered Square 题解 原题: Given a 2D grid of 0s and 1s, return the number of elements in the largest square subgrid that has all 1s on its border, or 0 if such a subgrid doesn't exist in the grid.
has some centergrid[x][y] = 1along with 4 arms of lengthk-1going up, down, left, and right, and made of1s. This is demonstrated in the diagrams below. Note that there could be0s or1s beyond the arms of the plus sign, only the relevant area of the plus sign is checked for ...