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 — cs-142:ch6exercises [2015/01/07 09:08] (current)ryancha created 2015/01/07 09:08 ryancha created 2015/01/07 09:08 ryancha created Line 1: Line 1: + 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