When you call above functions, display a message telling how many times it has been called: “I have been called 3 times”, for example. Write a main() program that calls these function at least 10 times. Try implementing this function in two different ways. First, use a global variable to store the count. Second, use a local static variable. Which is more appropriate? Why can’t you use a local variable?

When you call above functions, display a message telling how many times it has been called: “I have been called 3 times”, for example. Write a main() program that calls these function at least 10 times. Try implementing this function in two different ways. First, use a global variable to store the count. Second, use a local static variable. Which is more appropriate? Why can’t you use a local variable?

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter2: Problem Solving Using C++using

Section2.1: Introduction To C++

Problem 2E

See similar textbooks

Similar questions

For each of the following functions, indicate how much the function’s value will change it its argument is increased Triple.
2. If a function have all the default arguments but still some values are passed to the function then _________.
Describe all the cases when it is not desirable to invoke inline functions.
When should you prefer the use of inline function over not inline function? Explain friend function and the situation in which you should use this concept? Explain with example program.
(Practice) For the following function headers, determine the number, type, and order (sequence) of values that should be passed to the function when it’s called and the data type of the value the function returns: a. int factorial(int n) b. double volts(int res, double induct, double cap) c. double power(int type, double induct, double cap) d. char flag(char type, float current, float time) e. int total(float amount, float rate) f. float roi(int a, int b, char c, char d, float e, float f) g. void getVal(int item, int iter, char decflag, char delim)
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)
(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.
Please circle True or False for each of the following statements. C++ Local variables used in a function are defined in the parameter list of that functions definition. TRUE FALSE
How do you call function that you created? How to use function? This is one of most important topics as every program is moduled in the real world. Example) is the function call valid below if you created this function [x,y] = calcsem(a,b,c)? result=calcem(3,5,7) valid or invalid? Why?
Write 3 functions, all of them taking as input an integer between 0 and 9999, with the following functionalities:
Explain and print the output of the above code when the parameters to the foo function are:1. Passed by value2. Passed by reference3. Passed by value result4. Passed by name.
Given the function definition below, select the return values for the following function calls.