DFS - BFS

http://vn.spoj.com/problems/ADS/ - solution - code

http://vn.spoj.com/problems/PWALK/ - solution - code

http://vn.spoj.com/problems/V8ORG/ - solution - code

http://vn.spoj.com/problems/STNODE/ - solution - code

http://vn.spoj.com/problems/CHESSCBG/ - solution - code

http://vn.spoj.com/problems/STABLE/ - solution - code

http://vn.spoj.com/problems/NKGUARD/ - solution - code

http://vn.spoj.com/problems/MTWALK/ - en - solution - code

http://vn.spoj.com/problems/HAOI6000/ - solution - code

http://vn.spoj.com/problems/QBAGENTS/ - solution - code

http://vn.spoj.com/problems/ROBOCON/ - solution - code

http://vn.spoj.com/problems/KANDP/ - solution - code

http://vn.spoj.com/problems/PBCPOINT/ - solution - code

http://vn.spoj.com/problems/NKTABLE/ - solution - code

http://vn.spoj.com/problems/CLOCK/ - solution - code

http://vn.spoj.com/problems/MBEEWALK/ - en - solution - code

http://vn.spoj.com/problems/MECUNG/ - solution - code

http://vn.spoj.com/problems/PBCWATER - solution

http://vn.spoj.com/problems/MCLEAN - solution

http://vn.spoj.com/problems/KINGDOM/ - solution

http://vn.spoj.com/problems/SWAPB/ - solution

http://vn.spoj.com/problems/VMREL6/ - solution

http://vn.spoj.com/problems/PLACE/ - solution

http://vn.spoj.com/problems/LABUDOVI/ - solution

http://vn.spoj.com/problems/VMTRIP/ - solution

http://vn.spoj.com/problems/VOSCUN/ - solution

http://vn.spoj.com/problems/C11POST/ - solution

http://vn.spoj.com/problems/VOSTOUR/ - solution

Luyện tập :

http://vn.spoj.com/problems/TPMOVE

http://vn.spoj.com/problems/MAR

http://vn.spoj.com/problems/COLLECT