CSS Rules

Some of the basic rules of CSS and also a learning and reviewing Records of CSS.

HTML Tags

Some of the most often used tags of HTML. And it’s also a record of learning process.

CodeForces-1300 B Assigning to Classes

The middle two numbers' absolute difference is the answer. Because you can give the first to array1 and second to array2 and third to array1...

CodeForces-1300 A Non-zero

Calculate the number of zeros and sum. If there is all zeros, the answer is n + 1;

Draw maps

Before you start to draw maps with python, you first need to install basemap and pyshp.

Install Basemap of Python(Linux)

Basemap is a plug-in of matplotlib. Matplotlib is a drawing library that helps to draw data in multiple ways using python. And Basemap is used to draw maps. The followings are steps to install basemap.

CodeForces-1296 C Yet Another Walking Robot

Stimulate the walking process. Using map, int> to store the points. (The second parameter of map stands for the times of the move, that is the position in the string where it meets a certain points)

CodeForces-1296 B Food Buying

This is stimulating the process. First, spend the money of multiples of ten. Spend the most at once. Second, add up the rest and feedback money.

CodeForces-1296 A Array with Odd Sum

If there is no odd number, then no matter how to move it will stay all even, so it's NO.

Git Commands

Just because I want to solve a problem while setting my gitee(It needs to input user name and password every time I deploy my Blog), a friend let me study git first so that I can understand what the bug is telling about!!!! (not for solving the problem, I learn it just for understanding the alert ㅍ_ㅍ……) Life is so hard……

I’ll just record some commonly used commands.