MatrixSEARCH AGGREGATION
...flag1; boolean[][] flag2; public List pacificAtlantic(int[][] matrix) { List ans = new ArrayList(1000); if(matrix.length == 0)return ans; left = new bo...
Problem You are given an n x n 2D matrix representing an image.Rotate the image by 90 degrees (clockwise). Example Given a matrix [ [1,2], [3,4] ] rotate it by 90 degrees (clockwise), return ...
...要求 Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted in ascending from left to right. Integers in...
Spiral Matrix I Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8...
Problem You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Note: You have to rotate the image in-place, which means you have to modify the input 2D mat...
LeetCode[329] Longest Increasing Path in a Matrix Given an integer matrix, find the length of the longest increasingpath. From each cell, you can either move to four directions: left, right,up or dow...
Problem Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. Example Given a matrix [ [1,2], [0,3] ], return [ [0,2], [0,0] ] Challenge Did you use extra...
Set Matrix Zeroes Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. click to show follow up. Follow up: Did you use extra space? A straight forward solutio...
378. Kth Smallest Element in a Sorted Matrix 題目鏈接：https://leetcode.com/problems... 求矩陣里面第k小的數，首先比較容易想到的是用heap來做，maxheap或者minheap都可以，用maxheap的話把全部元素放進heap里面，同時如果heap的size大于k就彈出，...
Spiral Matrix I Problem Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. Example Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7,...
...的方法 define some functions to calculate some baseline index def Cn(MatrixAdjacency): Matrix_similarity = np.dot(MatrixAdjacency,MatrixAdjacency) return Matrix_similarity 計算Jaccard相似性指標 def Jaccavrd...
Problem Find the kth smallest number in at row and column sorted matrix. Example Given k = 4 and a matrix: [ [1 ,5 ,7], [3 ,7 ,8], [4 ,8 ,9], ] return 5 Challenge O(k log n), n is the maximal n...
Longest Increasing Path in a Matrix 題目鏈接：https://leetcode.com/problems... dfs + 記憶化搜索，用一個二維dp記錄找到的最長路徑的長度，如果發現dpi != 0,證明這個點被找過，不用重復。Number of Islands和這題一個思路。 public class Solution { ...
...由于用到了旋轉和伸縮兩種變換，所以需要使用transform: matrix(a,b,c,d,e,f) 這個變換矩陣。 這里的6個變量組成了一個3介的變換矩陣 $$ left[ egin{matrix} a & c & e b & d & f 0 & 0 & 1 end{matrix} ight] $$ 任意點p(x,y)的平移， 旋轉， ...
...to calculate some baseline index 計算Jaccard相似性指標 def Jaccavrd(MatrixAdjacency_Train): Matrix_similarity = np.dot(MatrixAdjacency_Train,MatrixAdjacency_Train) deg_row = sum(MatrixAdjacency_Train) d...
ChatGPT和Sora等AI大模型應用，將AI大模型和算力需求的熱度不斷帶上新的臺階。哪里可以獲得...
大模型的訓練用4090是不合適的，但推理（inference/serving）用4090不能說合適，...
圖示為GPU性能排行榜，我們可以看到所有GPU的原始相關性能圖表。同時根據訓練、推理能力由高到低做了...
