SOLVE THE ERRORS IN THE CODE GIVEN BELOW: QUESTION: Write the code of C++ which is used to take factorial of any number. you may pass the value to function by using "pass by value" and "pass by reference" methods. function name: factorial_calculate(); CODE: #include using namespace std; int factorial_calaculate(int n) // start definition of function to calculate factorial { if(n > 1) // condition for recursion { return n * factorial_calculate(n - 1); } else // terminating condition { return 1; } } int main() // start definition of main function { int n; // declare required variable cout << "Enter the positive integer: "; cin >> n; // take number from the user cout << "Factorial of " << n << " = " << factorial_calculate(n); // display the result return 0; }

SOLVE THE ERRORS IN THE CODE GIVEN BELOW: QUESTION: Write the code of C++ which is used to take factorial of any number. you may pass the value to function by using "pass by value" and "pass by reference" methods. function name: factorial_calculate(); CODE: #include using namespace std; int factorial_calaculate(int n) // start definition of function to calculate factorial { if(n > 1) // condition for recursion { return n * factorial_calculate(n - 1); } else // terminating condition { return 1; } } int main() // start definition of main function { int n; // declare required variable cout << "Enter the positive integer: "; cin >> n; // take number from the user cout << "Factorial of " << n << " = " << factorial_calculate(n); // display the result return 0; }

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 1TF: Mark the following statements as true or false: a. To use a predefined function in a program, you...

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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)
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