Stack

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

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

http://vn.spoj.com/problems/C11PAIRS/ - solution - code

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

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

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

http://vn.spoj.com/problems/CREC01/ - solution - code

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

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

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