Merge pull request #207 from ddjxd/patch-4 (6343d291) · Commits · SUMMER2020 / students / proj-2019164

docs/intro/resources.md

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		@@ -11,6 +11,7 @@
		- [Vijos](https://vijos.org/)
		- [UOJ](http://uoj.ac/)
		- [51Nod](https://www.51nod.com/)
		- [Ural](http://acm.timus.ru/)
		- [Hackerrank](https://www.hackerrank.com/)
		- [Topcoder](https://www.topcoder.com/)
		- [BZOJ](https://www.lydsy.com/JudgeOnline/)
		@@ -25,7 +26,6 @@
		- [hihoCoder](https://hihocoder.com/)
		- [Kattis](https://open.kattis.com/)


		## 教程

		- [Codeforces 上网友整理的一份教程合集](http://codeforces.com/blog/entry/57282)
		@@ -44,6 +44,8 @@
		- 算法竞赛进阶指南
		- [Competitive Programmer's Handbook](https://cses.fi/book/index.html)
		- 算法导论
		- 啊哈算法
		- 挑战程序设计竞赛全套（通俗易懂）

		## 工具