Problem Solving with C++ (9th Edition)
9th Edition
ISBN: 9780133591743
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 7.2, Problem 14STE
Consider the following function definition:
| void too2(int a[ ], int howMany) { for (int index = 0; index < howMany; index++) a[index] = 2; } |
Which of the following are acceptable function calls?
| int myArray[29]; too2(myArray, 29); too2(myArray, 10); too2(myArray, 55); "Hey too2. Please, come over here." int yourArray[100]; too2(yourArray, 100); too2(myArray[3], 29); |
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C code Blocks
Write the complete function that receives a pointer to the array's first element as an argument and multiplies the third element of the array by 10.
Define your function in the same way as the given function prototype.
Take a look at the "For example" below to see how the function is used in the main function and the expected result.
#include <stdio.h>#include <stdlib.h>void multiplyElement(int *ptr);int main(){ int array[5] = {1,2,3,4,5}; int *arrPtr = NULL; arrPtr = &array[0]; multiplyElement(arrPtr); for(int i = 0; i < 5; i++){ printf("%d ", array[i]); }return 0;}//Your answer starts here
For example:
Test
Result
int array[5] = {1,2,3,4,5}; int *arrPtr = NULL; arrPtr = &array[0]; multiplyElement(arrPtr); for(int i = 0; i < 5; i++){ printf("%d ", array[i]); }
1 2 30 4
C PROGRAM
Reverse + Random Formula
In the code editor, there's already an initial code that contains the function declaration of the function, computeReverseNumber(int n) and an empty main() function.
For this problem, you are task to implement the computeReverseNumber function. This function will take in an integer n as its parameter. This will get the reverse of the passed integer and will then compute and return the value:
result = (original_number + reverse_of_the_number) / 3
In the main() function, ask the user to input the value of n, call the function computeReverseNumber and pass the inputted value of n, and print the result in the main() with two (2) decimal places.
SAMPLE:
Input n: 20
Output: 7.33
Input n: 123
Output: 148.00
Chapter 7 Solutions
Problem Solving with C++ (9th Edition)
Ch. 7.1 - Prob. 1STECh. 7.1 - In the array declaration double score(5); state...Ch. 7.1 - Identity any errors in the following array...Ch. 7.1 - What is the output of the following code? char...Ch. 7.1 - What is the output of the following code? double a...Ch. 7.1 - What is the output of the following code? int i,...Ch. 7.1 - Prob. 7STECh. 7.1 - Suppose we expect the elements of the array a to...Ch. 7.1 - Prob. 9STECh. 7.1 - Suppose you have the following array declaration...
Ch. 7.2 - Consider the following function definition: void...Ch. 7.2 - Prob. 12STECh. 7.2 - Write a function definition for a function called...Ch. 7.2 - Consider the following function definition: void...Ch. 7.2 - Insert const before any of the following array...Ch. 7.2 - Write a function named outOfOrder that takes as...Ch. 7.3 - Write a program that will read up to ten...Ch. 7.3 - Write a program that will read up to ten letters...Ch. 7.3 - Following is the declaration for an alternative...Ch. 7.4 - Prob. 20STECh. 7.4 - Write code that will fill the array a (declared...Ch. 7.4 - Prob. 22STECh. 7 - Write a function named firstLast2 that takes as...Ch. 7 - Write a function named countNum2s that takes as...Ch. 7 - Write a function named swapFrontBack that takes as...Ch. 7 - The following code creates a small phone book. An...Ch. 7 - There are three versions of this project. Version...Ch. 7 - Hexadecimal numerals are integers written in base...Ch. 7 - Solution to Programming Project 7.3 Write a...Ch. 7 - Prob. 4PPCh. 7 - Write a program that reads in a list of integers...Ch. 7 - Prob. 6PPCh. 7 - An array can be used to store large integers one...Ch. 7 - Write a program that will read a line of text and...Ch. 7 - Write a program to score five-card poker hands...Ch. 7 - Write a program that will allow two users to play...Ch. 7 - Write a program to assign passengers seats in an...Ch. 7 - Prob. 12PPCh. 7 - The mathematician John Horton Conway invented the...Ch. 7 - Redo (or do for the first time) Programming...Ch. 7 - Redo (or do for the first time) Programming...Ch. 7 - A common memory matching game played by young...Ch. 7 - Your swim school has two swimming instructors,...Ch. 7 - Your swim school has two swimming instructors,...Ch. 7 - Prob. 19PPCh. 7 - The Social Security Administration maintains an...
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