原题链接在这里:https://leetcode.com/problems/verify-preorder-sequence-in-binary-search-tree/ 题目: Given an array of numbers, verify whether it is the correct preorder traversal sequence of a binary search tree. You may assume each nu…
在MATLAB使用imshow显示一张图后,如果继续在这张图中使用plot画图,则此时坐标原点换到了左上角,不再是左下角了,如下面的例子:
figure(1);
imshow(K)
hold on
plot(x,y) %此时原点在左上角