C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN: 9781337102087
Author: D. S. Malik
Publisher: Cengage Learning
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Chapter 3, Problem 9SA
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The manipulator setprecision is used to control the output of floating-point numbers. For example, to print the floating-point output to two decimal places, the setprecision manipulator is set to 2...
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Chapter 3 Solutions
C++ Programming: From Problem Analysis to Program Design
Ch. 3 - Mark the following statements as true or false. An...Ch. 3 - Prob. 7SACh. 3 - What does function sqrt do? Which header file must...Ch. 3 - Prob. 9SACh. 3 - Prob. 10SACh. 3 - 11. What is the purpose of the manipulator setw?...Ch. 3 - 12. What is the output of the following program?...Ch. 3 - Prob. 13SACh. 3 - Suppose that name is variable of type string. What...Ch. 3 - 16. Write a C++ statement that uses the...
Ch. 3 - 19. The following program is supposed to read the...Ch. 3 - Prob. 20SACh. 3 - Prob. 21SACh. 3 - 22. Suppose that infile is an ifstream variable...Ch. 3 - 24. Suppose that infile is an 18stream variable...Ch. 3 - 1. Consider the following incomplete C++ program:...Ch. 3 - 2. Consider the following program in which the...Ch. 3 - Write a program that prompts the user to enter the...Ch. 3 - 4. During each summer, John and Jessica grow...Ch. 3 - 5. Three employees in a company are up for a...Ch. 3 - 6. Write a program that accepts as input the mass,...Ch. 3 - Interest on a credit card's unpaid balance is...Ch. 3 - Prob. 8PECh. 3 - Dairy Farm decided to ship milk in containers in...Ch. 3 - 10. Paula and Danny want to plant evergreen trees...
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- These functions are built-in functions in C programming and are defined in header files. (Choose all correct answers) Predefined Functions Standard Library Functions Functions User-defined Functions Check It!arrow_forwardOverview In this assignment you will create user-defined functions OUTSIDE the main program and call those functions from INSIDE the main program. Instructions This assignment will require you to create functions in the program which the main procedure calls. Write a C++ program that Reads data from an input file. The data file should include 10 students. Each student should have Takes the data and computes student grades for an assignment by converting the raw score to a percentage given each student's score and the total points. Round the final score up to the nearest whole value using the ceil function in the <cmath> header file and displayed as a percentage. You must also display the floating-point result up to 5 decimal places. You must use at least 2 functions: one to print the last name of the student and another function to compute and print the percentage as well as "Excellent" if the grade is greater than 90, "Well Done" if the grade is greater than…arrow_forwardC++ please: Passwords are frequently used as a common means of authentication. It is also known that weak passwords are prone to brute force and dictionary attacks and can fail, leading to unauthorized access into user accounts, compromising security. To improve upon the robustness of the password chosen by a user, certain guidelines or requirements can be framed. Write a C++ program that accepts a user suggestion/choice of a password and checks if the chosen password satisfies the following requirements. The password contains: . at least 8 characters . at least one letter from the alphabet . • at least one decimal digit . at least one of the special characters: !, #, &, -, %, or @ The program displays an error message if all the conditions are not met. The error message should point out which requirement was not met so that the user can try setting up a different password. The program should keep checking the passwords, approve the password only if allarrow_forward
- C++arrow_forwardC++ Programming. Topic: Working with pointers and dynamic memory. Indicators. Working with dynamic memory. Dynamic arrays and their use as function parameters. Task : Describe a void function named Swap(x,y) that swaps the values stored in the variables x and (x is a real type parameter and is both input and output). Using this function , for the given variables of real type a, b, c, d, one should sequentially replace the values of the pairs (a, b), (c, d) and (b, c) and let a, b, c, d be new values .arrow_forwardExplain suggestions for the use of value-returning function.arrow_forward
- Using C++ Programming language: Assume you want a function which expects as parameters an array of doubles and the size of the array. Write the function header that accepts these parameters but is defined in such a way that the array cannot be modified in the function. You can use your own variable names for the parameters.arrow_forwardExplain different ways of calling functions with appropriate examples. v loarrow_forwardC code Blocks Write a function that accepts three floating point numbers and returns the average of the three numbers. Do not write the function prototype, the main function, any include statements or any "printf" statements - only write the function. The function prototype is given below. Your answer should be the entire function definition , not just the code inside the function definition. Function prototype // float average(float x, float y, float z); Format of function definition // Formaat van funksie definisie returnType functionName(type1 argument1, type2 argument2, ...) { //body of the function } For example: Test Result answer = average(1.0, 2.0, 3.0); printf("%.3f",answer); 2.000 answer = average(-1, 2.5, 3.8); printf("%.3f",answer); 1.767arrow_forward
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