C++ for Engineers and Scientists
4th Edition
ISBN: 9781133187844
Author: Bronson, Gary J.
Publisher: Course Technology Ptr
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Textbook Question
Chapter 7.1, Problem 2E
(Practice) Write correct notation for the first, third, and seventh elements of the following arrays:
a. int grades[20]
b. double volts[10]
c. double amps[16]
d. int dist[15]
e. double velocity[25]
f. double time[100]
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(C PROGRAMMING ONLY)
1. Spell-it-out!by CodeChum Admin
Are you intimidated with complicated words? Don't be! The trick is to break it down letter by letter!
Let’s create a program that prints out the character in the array index indicated by the input integer. For example, if the array has 3 character elements, 'j', 'r', and 'd', and the inputted integer value is 1, then we print 'r' because 'r' is found at index 1.
Instructions:
In the code editor, you are provided with an array of characters (or a string).Your task is to ask the user for an integer input which represents the index and then print out the character of the string found at that index.Input
1. Index of the array
Output
Enter the index: 4r
(the use of dynamic array)
*please explain the use of dynamic array and why it was used here. Use reference photo*
[C Program]
2. Cubes and Squares
by CodeChum Admin
You can also make a list of numbers, ey? Let's go and have some fun in tweaking the values of each element, but let's give it some twist to add on some fun to the code.
Let's have a go at it!
Instructions:
An array containing 40 integer elements is already provided for you in the code editor below.
Using loops and conditions, print out the cube of the array element if it is a positive number, and print out the square of the number if it is negative. Each result must be printed out separately by each line.
Output
The squares and cubes of the elements in the array.
4
1
1
8
27
.
.
.
------------
#include<stdio.h>
int main(void) {
int nums[40] = {
-2, 1, 1, 2, 3,
9, 10, -3, 100, 2,
4, -5, 1, 10, -100,
5, 2, 3, -1, 1,
-3, -4, -5, -6, -7,
9, 9, 9, 9, 9,
1, 2, 3, 4, 5,
100, 100, 100, 100, 100
};
return 0;
}
Chapter 7 Solutions
C++ for Engineers and Scientists
Ch. 7.1 - (Practice) Write array declarations for the...Ch. 7.1 - (Practice) Write correct notation for the first,...Ch. 7.1 - Prob. 3ECh. 7.1 - (Practice) a. Write output statements using cout...Ch. 7.1 - (Desk check) List the elements displayed by the...Ch. 7.1 - (Practice) a. Write a program to input the...Ch. 7.1 - (Practice) Write a program to input eight integer...Ch. 7.1 - (Data processing) a. Write a program to input 10...Ch. 7.1 - Prob. 9ECh. 7.1 - (Electrical eng.) Write a program that specifies...
Ch. 7.2 - (Practice) Write array declarations, including...Ch. 7.2 - (Data processing) Write an array declaration...Ch. 7.2 - (Data processing) Write a program that uses an...Ch. 7.2 - (Electrical eng.) Write a program that stores the...Ch. 7.2 - (Practice) a. Write a declaration to store the...Ch. 7.3 - (Practice) Write specification statements for the...Ch. 7.3 - (Desk check) Determine the output produced by the...Ch. 7.3 - (Practice) a. Write a C++ program that adds the...Ch. 7.3 - (Practice) Write a C++ program that adds...Ch. 7.3 - Prob. 5ECh. 7.3 - (Electrical eng.) a. An engineer has constructed a...Ch. 7.4 - Prob. 1ECh. 7.4 - Prob. 2ECh. 7.4 - Prob. 3ECh. 7.4 - Prob. 4ECh. 7.4 - Prob. 5ECh. 7.4 - (Electrical eng.) Write a program that declares...Ch. 7.4 - (Statistics) Write a program that includes two...Ch. 7.5 - Prob. 1ECh. 7.5 - (Practice) Run Program 7.10 to determine the...Ch. 7.5 - Prob. 3ECh. 7.5 - (List maintenance) a. Write a complete C++ program...Ch. 7.5 - Prob. 5ECh. 7.5 - (List maintenance) The following letters are...Ch. 7.5 - (File creation) Write a C++ program that creates...Ch. 7.5 - Prob. 8ECh. 7.5 - Prob. 9ECh. 7.5 - Prob. 10ECh. 7.5 - Prob. 11ECh. 7.5 - Prob. 12ECh. 7.5 - Prob. 13ECh. 7.5 - Prob. 14ECh. 7.5 - Prob. 15ECh. 7.6 - Prob. 1ECh. 7.6 - Prob. 2ECh. 7.6 - Prob. 3ECh. 7.6 - Prob. 4ECh. 7.6 - Prob. 5ECh. 7.6 - Prob. 6ECh. 7.6 - Prob. 7ECh. 7.6 - Prob. 8ECh. 7.6 - (Practice) Use the max_element and min_element...Ch. 7 - (Statistics) a. Write a C++ program that reads a...Ch. 7 - (Practice) Define an array named peopleTypes that...Ch. 7 - (Numerical) Given a one-dimensional array of...Ch. 7 - (Numerical) Write and test a function that returns...Ch. 7 - (Sorting) Read a set of numerical grades from the...Ch. 7 - (Numerical) a. Define an array with a maximum of...Ch. 7 - (Numerical) Using the srand() and rand() C++...Ch. 7 - (Statistical) In many statistical analysis...Ch. 7 - (Data processing) Your professor has asked you to...Ch. 7 - (Modify) Modify the program written for Exercise 9...Ch. 7 - Prob. 11PPCh. 7 - (Data processing) The answers to a true-false test...Ch. 7 - Prob. 13PPCh. 7 - (Data processing) Construct a three-dimensional...Ch. 7 - (Computation) A magic square is a square of...Ch. 7 - (Computation) Among other applications, Pascal’s...
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