Tag：matrix
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The application of linear algebra in the front end (1): realize the mouse wheel zoom element, Canvas picture and drag and drop
Introduction In front-end development, sometimes you will encounter the need to scroll the wheel to realize the zooming of pictures, canvas, and DOM elements based on the current position of the mouse as the origin. Some students may find it a bit difficult, but in fact, this function can be realized very easily with the […]
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[LeetCode] 329. Longest Increasing Path in a Matrix
Problem Given an integer matrix, find the length of the longest increasing path. From each cell, you can either move to four directions: left, right, up or down. You may NOT move diagonally or move outside of the boundary (i.e. wrap-around is not allowed). Example 1: Input: nums = [ [9,9,4], [6,6,8], [2,1,1] ] Output: […]