Ask the user if he or she is
a. Sedentary
b. Somewhat active (exercise occasionally)
c. Active (exercise 3–4 days per week)
d. Highly active (exercise every day)
If the user answers “Sedentary,” then increase the calculated BMR by 20 percent. If the user answers “Somewhat active,” then increase the calculated BMR by 30 percent. If the user answers “Active,” then increase the calculated BMR by 40 percent. Finally, if the user answers “Highly active,” then increase the calculated BMR by 50 percent. Output the number of chocolate bars based on the new BMR value.
Ask the user to input the string “M” if the user is a man and “W” if the user is a woman. Use only the male formula to calculate calories if “M” is entered and use only the female formula to calculate calories if “W” is entered. Output the number of chocolate bars to consume as before.
The Harris-Benedict equation estimates the number of calories your body needs tomaintain your weight if you do no exercise. This is called your basal metabolic rate, or BMR.
The calories needed for a woman to maintain her weight is:
BMR = 655 + (4.3 × weight in pounds) + (4.7 × height in inches) − (4.7× age in years)
The calories needed for a man to maintain his weight is:
BMR = 66 + (6.3 × weight in pounds) + (12.9 × height in inches) − (6.8 × age in years)
A typical chocolate bar will contain around 230 calories. Write a program that allows the user to input his or her weight in pounds, height in inches, and age in years. The program should then output the number of chocolate bars that should be consumed to maintain one’s weight for both a woman and a man of the input weight, height, and age.
Exercise 3
Suppose that we are working for an online service that provides a bulletin board for its users. We would like to give our users the option of filtering out profanity. Suppose that we consider the words cat, dog, and llama to be profane. Write a program that reads a string from the keyboard and tests whether the string contains one of our profane words. Your program should find words like cat that differ only in case. Option: As an extra challenge, have your program reject only lines that contain a profane word exactly. For example, Dogmatic concatenation is a small category should not be considered profane.
Exercise 4
Write a program that reads a string from the keyboard and tests whether it contains a valid date. Display the date and a message that indicates whether it is valid. If it is not valid, also display a message explaining why it is not valid.
The input date will have the formatmm/dd/yyyy. A valid month value mm must be from 1 to 12 (January is 1). The day value dd must be from 1 to a value that is appropriate for the given month. September, April, June, and November each have 30 days. February has 28 days except forleap years when it has 29. The remaining months all have 31 days each. A leap year is any year that is divisible by 4 but not divisible by 100 unless it is also divisible by 400.
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