Question

3. WCS111 FM. Suppose you work at WCS111 FM, a radio station by computer scientists for computer scientists. The station runs a contest where listeners win prizes based on how many hours they spend programming in Java. When a listener calls in to the radio station, the listener will state how many hours (whole number) a month he/she spends programming in Java. Based on the number of hours spent programming, display the listener prize according to the following rules: 1. Listeners who do not program do not win any prize (in other words, those who program for hours per month) do not win any prizes 2. Hobbyist programmers (1 - 5 hours) win a T-shirt 3. Regular programmers (6 - 400 hours) win all of the following for which they quality! a. a laptop if their hours happen to end in 9 (09.19.29. 200), b. a hat if their hours are an even number c. a TV if their hours are divisible by 3. 4. Elite programmers (400 hours) will win a cat. 4. Lucky Sevens. Given a whole number, compute and display how many digits in the number are 7s For example, the number of 7 in 3482 is , while the number of 7s in 3727713 Note: whole numbers are non-negative Integers starting at zero (0.1.2.3, 4)

Answer 1

Please find the solution below.

Algorithm: - fun (num) lo count = o ; num = value in 20 for while (num >o) do remainder = num% 10, if (renainder ==7) then count =count to 2 num = num/10 end while are", count, " 7'8" output I 3- Print "There @ Inputs & outputs I Input 152 7172 1777777 10273)

© Error conditions, the input is a negative xx number, we will get an error. Eu Input =-73 & Error 0 Test cases:- fun (772) => 2 fun cro] => 0 func-7)=) Error func2371777)=4

e) mid. number of operations executed. = 1 le, when input is a single digit number ie from 6 to 9) we will get only one operation. f) max. number of operations executed 4 - Chetumber of digits in input) Ex, If num=123757172, then we need to repeat the loop for a time to check for each degit.

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