Problem Date Given Submit By Input file Sample Solution An Open and Shut case Mar 5, 2003 Mar 14, 2003 open.dat N/A One Set, Two Set Mar 5, 2003 Mar 14, 2003 file1 file2 N/A Romulan Spelling Mar 5, 2003 Mar 14, 2003 romulan.dat N/A What Time is It Mar 5, 2003 Mar 14, 2003 N/A N/A Counterfeit Dollar Mar 25, 2003 Apr 1, 2003 coin.dat N/A Super Skier Mar 25, 2003 Apr 1, 2003 skier.dat N/A Modelling Mar 25, 2003 Apr 1, 2003 model.dat N/A KWIC Index Mar 25, 2003 Apr 1, 2003 kwic.dat N/A