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liwentian · liwentian · commit dc83931e1a06 · 2017-09-03T20:21:23.000+08:00
diff --git a/doc/Summary.md b/doc/Summary.md
@@ -6,4 +6,7 @@
  - **323. Number of Connected Components in an Undirected Graph**
  - **200. Number of Islands**
  - **305. Number of Islands II**
+ - **207. Course Schedule**
+ - **210. Course Schedule II**
+ - **269. Alien Dictionary**
 
