Programmer Think

Title Description Give you the root node of the binary tree, root. Please design an algorithm to calculate the vertical traversal sequence of the binary tree. For each node located in (row, col), its left and right child nodes are located in (row + 1, col - 1) and (row + 1, col + 1). The root node of the tree is located at (0, 0). The ve ...

Binary search tree concept Binary search tree is also called binary sort tree. It is either an empty tree or a binary tree with the following properties: If its left subtree is not empty, the values of all nodes on the left subtree are less than those of the root node If its right subtree is not empty, the values of all nodes on the right ...

Problem Description: For the linear table stored in order (assuming that the order table is not empty), use vector or array to realize the quick sorting algorithm and output the sorting results of each trip. Reference function prototype: (vector version) (1) / / implementation of quick sort (shell) template<class ElemType> voi ...

B-Boxes Link: https://ac.nowcoder.com/acm/contest/11256/B Source: niuke.com   Title Description There're nn_{}n​ boxes in front of you. You know that each box contains a ball either in white or in black. The probability for a ball to be white is 12\frac{1}{2}21​, and the colors of balls are independent of each other. The PJ King invites you ...

C.VC Is All You Need meaning of the title Here you are n n n points at k k On the k dimension, judge whether you can use ...

This article is completely original!!!!! This article is completely original!!!!! This article is completely original!!!!! If similar, please contact the author catalogue preface Code list Code analysis summary preface I haven't updated my blog because of the end of the school term. It has been more than a month since the last blog ...

catalogue 👻 Methods used this time   🤷‍♀️ first leap year determination 🤷‍♂️ second effectively handles Runping year 👍 third # day period comparison days 🐹 Problems and Solutions   🧐 Topic 1   😒 Topic 2   😶 Topic 3   👻 Methods used this time     🤷‍♀️ first leap year determi ...

Red wine competition Title A: Title Link: Click here to transfer Meaning: Given n non decreasing numbers, you are required to change a bit of a number so that it does not form a non decreasing sequence. If Impossible cannot be output Idea: For simulation, enumerating two adjacent numbers is still legal if the first bit of the previous number ...

background At present, the teams in the NBA regular season are ranked according to the winning rate from high to bottom. This ranking method is very simple and easy to be generally accepted by the public. However, due to the asymmetric cycle of NBA regular season competition system, such ranking rules are not completely fair. Therefore, this p ...

title: [improve] use the sieve method to find the prime number in N date: author: galileocat img: https://cdn.jsdelivr.net/gh/QiYi92/ImageHost/img/202108051426453.png top: false cover: false coverImg: password: toc: false mathjax: false summary: Blue Bridge Cup improved categories: Blue Bridge Cup tags: Blue Bridge CupPython Title 1084: fin ...