README.md updated

Author: 201411167

README.md

@@ -3,3 +3,19 @@ algorithm problem solving
 
 Don't forget to remove 'freopen' in cpp file before the submission.
 If you run a cpp file, please make sure whether other files were excluded or not.
+
+***
+
+* https://www.acmicpc.net/
+* https://programmers.co.kr/
+* https://swexpertacademy.com/main/main.do
+
+***
+
+* dynamic programming
+* graph algorithm
+  * bfs/dfs
+  * minimum spanning tree
+  * dijkstra algorithm
+  * floyd warshall algorithm
+* simualtion