2, Function Run Fun (POJ 1579)
3, Recaman's Sequence (POJ 2081)
5, Strange Towers of Hanoi (POJ 1958)
6, Common Subsequence (POJ 1458)
9, Human Gene Functions (POJ 1080)
11, AGTC (POJ 3356)
12, Testing the CATCHER (POJ 1887)
13, Longest Ordered Subsequence (POJ 2533)
14, Bridging signals (POJ 1631)