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Tag: 2D

Search a 2D Matrix

Question leetcode: Search a 2D Matrix | LeetCode OJ lintcode: (28) Search a 2D Matrix Problem Statement Write an efficient algorithm that searches for a value in an _m_ x _n_ matrix.

This

October 17, 2021By Simo Mathematics 2D, Matrix, searchLeave a Comment

Mathematics me – 2D video game

I am an amateur game programmer. I only do 2D games, no 3D things. I don’t have a background in mathematics, and many things trip me like bullet projections and angles.

I took two college-lev

October 17, 2021By Simo Mathematics 2D, Games, mathematics, VideoLeave a Comment

Scan QR code automatically recognizes the mobile app download address

Original URL: https://www.baidufe.com/item/92457b4d0bfde1effa40.html

October 9, 2021By Simo Hybrid 2D, Address, app, Auto, code, download, Mobile, recognition, ScanLeave a Comment

Ruby generates a two-dimensional code using RQRCODE

Reference: https://github.com/whomwah/rqrcode

1. gem’rqrcode’

2. In the helper:

3, views page 3. p> <%= image_tag generate_qr_code('http://baidu.com')%>

October 6, 2021By Simo Ruby 2D, build, code, RQRCode, ruby, UsedLeave a Comment

2D tiled game engine – use C # in XNA in XNA

I plan to build an advanced 2D Up-Down RPG.

It will be the C# of my existing 2D Flash RPG engine (Adobe Air) XNA version.

Well, in Flash Pro, I just use different MovieClips for differe

September 27, 2021By Simo Game 2D, Based on, China, Engine, game, ok, table, Using C #, XNALeave a Comment

HDU 2642 Stars [Two-dimensional tree array] [data structure]

Subject link: http://acm.hdu.edu.cn/showproblem.php?pid=2642

——————— ——————————————————————–.
Stars

Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/65536 K (Java/Others)

August 22, 2021By Simo Data Structure 2D, array, Data Structure, HDU, Stars, TreeLeave a Comment
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