Exercise - Seconds since midnight 1 Let's write a program that reads the time from the user as three integers representing the hour, the minutes, and the seconds, and tells the user how many seconds have passed since 12 o'clock. . Include a function that takes three integer values representing the hour, the minutes, and the seconds, and returns the total number of seconds that have passed since 12.

Exercise - Seconds since midnight 1 Let's write a program that reads the time from the user as three integers representing the hour, the minutes, and the seconds, and tells the user how many seconds have passed since 12 o'clock. . Include a function that takes three integer values representing the hour, the minutes, and the seconds, and returns the total number of seconds that have passed since 12.

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter6: User-defined Functions

Section: Chapter Questions

Problem 23PE

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Mark the following statements as true or false: a. To use a predefined function in a program, you need to know only the name of the function and how to use it. (1) b. A value-returning function returns only one value. (2, 3) c. Parameters allow you to use different values each time the function is called. (2, 7, 9) d. When a return statement executes in a user-defined function, the function immediately exits. (3, 4) e. A value-returning function returns only integer values. (4) f. A variable name cannot be passed to a value parameter. (3, 6) g. If a C++ function does not use parameters, parentheses around the empty parameter list are still required. (2, 3, 6) h. In C + + , the names of the corresponding formal and actual parameters must be the same. (3, 4, 6) i. A function that changes the value of a reference parameter also changes the value of the actual parameter. (7) j. Whenever the value of a reference parameter changes, the value of the actual parameter changes. (7) k. In C++, function definitions can be nested; that is, the definition of one function can be enclosed in the body of another function. (9) l. Using global variables in a program is a better programming style than using local variables, because extra variables can be avoided. (10) m. In a program, global constants are as dangerous as global variables. (10) n. The memory for a static variable remains allocated between function calls. (11)
(Physics) Buoyancy is the upward force a liquid exerts on a submerged object, as shown in Figure 6.9. The buoyancy force is given by this formula: B=pgV Bisthebuoyancyforce( lbforN).isthefluiddensity( slug/f t 3 orkg/ m 3 ).gistheaccelerationcausedbygravity( 32.2ft/se c 2 or9.8m/ s 2 ).Vistheobjectsvolume( f t 3 or m 3 ). a. Using this formula, write a function named buoyantForce(double ro, double vol, int units) that accepts a fluid density, the volume of an object placed in the fluid, and the units to be used(1=U.S.Customaryunits,2=metricunits), and returns the buoyancy force exerted on the object. b. Include the function written for Exercise 6a in a working C++ program, and use your program to complete the following chart:
17. Redo Programming Exercise 16 so that the user can also input the cost of producing one liter of milk and the profit on each carton of milk.
(Numerical) Heron’s formula for the area, A, of a triangle with sides of length a, b, and c is A=s(sa)(sb)(sc) where s=(a+b+c)2 Write, test, and execute a function that accepts the values of a, b, and c as parameters from a calling function, and then calculates the values of sand[s(sa)(sb)(sc)]. If this quantity is positive, the function calculates A. If the quantity is negative, a, b, and c do not form a triangle, and the function should set A=1. The value of A should be returned by the function.
(Time in Seconds) Write a function that takes the time as three integer arguments (forhours, minutes, and seconds) and returns the number of seconds since the last time the clock “struck12.” Use this function to calculate the amount of time in seconds between two times, both of whichare within one 12-hour cycle of the clock
3. Write a function that takes a number, such as 52, and returns the numberas a word, as in fifty-two.
change.py Create a program, change.py, that has a function that takes 5 arguments thatcorrespond to the number of $1 dollar bills, quarters, dimes, nickels, andpennies, respectively. Calculate the total value of that change, and print "Thetotal value of your change is $x" where x is equal to the total value.
Write two or more function, parameters and arguments that generates a random license plate. Your function should have approximately equal odds of generating a sequence of characters for an old license plate or a new license plate. Write a main program that calls your function and displays the randomly generated license plate.
Given person_is_old(age) which returns True or False based on the incoming age as an integer. Write a function that uses the one mentioned above so that it prints “Go to work!” if the person is not old and “You deserved to have a long vacation” otherwise. Your function must also accept the age as its argument. My code def funct2(age): flag = old_person(age) if(flag): print("You deserved to have a long vacation") else: print("Go to work!")
C++ Toll roads have different fees at different times of the day and on weekends. Write a function CalcToll() that has three arguments: the current hour of time (int), whether the time is morning (bool), and whether the day is a weekend (bool). The function returns the correct toll fee (double), based on the chart below. Weekday Tolls Before 7:00 am ($1.15) 7:00 am to 9:59 am ($2.95) 10:00 am to 2:59 pm ($1.90) 3:00 pm to 7:59 pm ($3.95) Starting 8:00 pm ($1.40) Weekend Tolls Before 7:00 am ($1.05) 7:00 am to 7:59 pm ($2.15) Starting 8:00 pm ($1.10) Ex: The function calls below, with the given arguments, will return the following toll fees: CalcToll(8, true, false) returns 2.95CalcToll(1, false, false) returns 1.90CalcToll(3, false, true) returns 2.15CalcToll(5, true, true) returns 1.05 Your program should include the function main( ), which asks for and validates the proper user inputs to be passed to the CalcToll( ) function. The function main() also displays the toll fees based…
17.49 Lab: Functions: Number to words Sometimes numbers are converted to words, like in a wedding invitation. So 23 becomes "twenty three". Write a function DigitToWord that takes a single digit number from 0-9 and returns that number's word: 0 is zero, 1 is one, 2 is two, etc (if the number is outside 0-9, return "error"). Write another function TensDigitToWord that takes a single digit number from 2-9, and returns that number's word when it appears in the tens digit: 2 is twenty, 3 is thirty, etc. If the number is outside 2-9, return "error". Finally, write a function TwoDigitNumToWords that takes a two-digit number from 20-99 and returns that number in words. Your main program should get a user's integer, call TwoDigitNumToWords, and output the resulting string. If the input is 23, the output should be "twenty three". Do not do any error checking of the input. Note that your program does not support all numbers. 0-19 will yield error output, for example. HINTS: Write…
“Days Into Year (C++)” By using my code (photo is attached), implement a Days Into Year function. It MUST BE of this form: int daysIntoYear ( int year, int month, int day ) ; In terms of "Days Into Year," how many days are we into the year based on a given date? For example, January 1 is 1 day into the year. Please have the code display 12 test cases with the result from the function, and the number of days into the year from some other source. So you can hand calculate the days into the year or use an internet web page. The typical output might look like this: (Please make the format better but be sure to automatically calculate agree/disagree column) You must include a leap year function that returns a bool and takes as a parameter the year. This function must be used in your code. Year Month day Days Into Year Value expected Agree/Disagree 2020 1 1 1 1 agree 2020 1…