CMSC104 Fall 2007
Homework 2 - Basic Algorithms

Due Date:
Section 0201 -- Wednesday, October 3, at the beginning of class
Section 0401 -- Thursday, October 4, at the beginning of class
Note that late projects will NOT be accepted.

Objectives:

• To practice solving problems in a generic manner
• To practice writing basic pseudocode for the solution of a problem

Assignment

• The answer to each problem will have two parts: the specific solution and the general solution.
• First solve each of the two problems shown below. You should show the specific answer to the problem using the numbers given. (25 points each, so make sure you show your work, no matter how simple you think it is)
• Then write an algorithm for each of these two problems in pseudocode.(25 points each)
  1. Mrs. Smith is on a cruise to the Bahamas. On a rainy day, she decides to go to the casino bar and play blackjack. She pays a $5.00 cover charge to enter the casino bar. She plays at one table, doubles her money and tips the dealer $10.00. She goes again the next day, pays a $5.00 cover charge and doubles her money. After tipping the dealer $10.00, she runs out of money. How much money did she start with?

  Tips about problem # 1 :

  • Mrs. Smith must always have no money left at the end.
  • The user should specify the number of days she plays blackjack.
  • The user should specify the cover charge to enter the casino bar. You can assume it will be the same for each day.
  • The user should specify the amount of the tip. You can assume it will be the same each time she plays.
  2. Your grade in CMSC104 is based on the following:

     
      3 Homeworks (4% each) = 12%
      4 Projects  (7% each) = 28%
      3 Exams    (20% each) = 60%
     
      Total = 100%
     	    

     If you have the following homework, project and exam grades at the end of the semester, calculate your final grade for the course:

       Homework 1 = 100/100  Project 1 =  85/100    Exam 1 = 95/100
       Homework 2 =  50/100  Project 2 =  75/100    Exam 2 = 80/100
       Homework 3 = 100/100  Project 3 =  75/100    Exam 3 = 70/100
                             Project 4 =  80/100     
     		    

     Tips about problem # 2 :
     • You should allow the user to enter in each of the homework, project and exam grades.
     • You can assume the percentages will always be 4%, 7% and 20%.
     • Each grade will always be out of 100.

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