add three playgrounds from #9775

1 year ago · 836068d6df
parent d9dcc3920e
commit 836068d6df
1 changed files with 3 additions and 0 deletions
--- a/more/free-programming-playgrounds.md
+++ b/more/free-programming-playgrounds.md
@ -241,6 +241,9 @@
 ### Multiple Languages

 * [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