add three playgrounds from #9775

pull/10980/head
eric 1 year ago
parent d9dcc3920e
commit 836068d6df
  1. 3
      more/free-programming-playgrounds.md

@ -241,6 +241,9 @@
### Multiple Languages ### Multiple Languages
* [CodeChef](https://www.codechef.com/ide) * [CodeChef](https://www.codechef.com/ide)
* [GeeksforGeeks](https://ide.geeksforgeeks.org)
* [Ideone](https://ideone.com)
* [OnlineGDB](https://www.onlinegdb.com)
### <a id="dotnet"></a>.NET ### <a id="dotnet"></a>.NET

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