Here are some exercises that we may complete in class

• Count the number of “3” in a string using substr
• Modify this code to use array notation
• Go over array notation from slides
• Create code to read in a bunch of integers with a -1 to stop
• Do the following examples on the board
  • Write a function to create the sum of all of the integers
  • Write a function to multiply each integer by 2
  • Write a function to print out the number of stars specified by the integer
• Use the sound example to do the following
  • Introduce a 2 second echo
  • Notice that it has multiple echoes, copy the array
  • Speed it up to double speed
  • Slow it down to half speed
  • Reverse it using a temporary variable
• Do the landscape example
  • Have one student write code to initialize a two dimensional array
  • show them how to write the code out to a file by inputting the file name
  • Bring it up in excel and graph it
• Do vectors and show how the parking attendant moves the cars

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