9: 01122233355557777777 8: 3 7: 02278 6: 8*8* 5: 23* 4: 0 2: 5*
Many students received good points.
Some students did not give correct answer for subproblem “d” (-2).
Many students did good job for this problem.
Some students gave wrong drawings or wrong descriptions.
Many students did not provide completely correct answers.
Many students did very well, while some others didn’t provide answers for this problem.
Many students received good points for this problem. Some others did not give output for their code.
Created by: En Cheng. Date: 2007-04-14. Last Modified by: Zheng
Liu. Date: 2008-04-14.