易码编程
http://oj.521ma.cn/category.php

y总的bilibili视频集
https://space.bilibili.com/7836741/video

# 经典算法视频讲座
https://haokan.baidu.com/author/1670617308702319


CCF CSP入坑指南 (含难度分析 试题目录及答案 部分答案有解析更新至201912 包含全部前四道题解及小部分第五题解)
https://blog.csdn.net/best335/article/details/99550556?utm_medium=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.compare&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.compare

NOIP/CSP-S 考前注意事项
https://www.cnblogs.com/dysyn1314/p/13934854.html


# 辗转相除法
https://www.bilibili.com/video/BV1hT4y1w7wz

# 大神博客
https://blog.csdn.net/wonggonghong/category_1745499.html
https://www.cnblogs.com/mrclr/

# 关于对拍
https://www.cnblogs.com/CXYscxy/p/11158900.html

# 模板
https://www.cnblogs.com/wysAC666/category/1438619.html