// LeftOrRight.cpp - This program calculates the total number of left-handed and right-handed // students in a class. // Input: L for left-handed; R for right handed; X to quit. // Output: Prints the number of left-handed students and the number of right-handed students. #include #include using namespace std; int main() { string leftOrRight = ""; // L or R for one student. int rightTotal = 0; // Number of right-handed students. int leftTotal = 0; // Number of left-handed students. // This is the work done in the housekeeping() function cout << "Enter an L if you are left-handed, a R if you are right-handed or X to quit: "; cin >> leftOrRight; // This is the work done in the detailLoop() function // Write your loop here. // This is the work done in the endOfJob() function // Output number of left or right-handed students. cout << "Number of left-handed students: " << leftTotal << endl; cout << "Number of right-handed students: " << rightTotal << endl; return 0; }

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter5: Repetition Statements

Section: Chapter Questions

Problem 7PP

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Question

// LeftOrRight.cpp - This program calculates the total number of left-handed and right-handed

// students in a class.

// Input: L for left-handed; R for right handed; X to quit.

// Output: Prints the number of left-handed students and the number of right-handed students.

#include <iostream>

#include <string>

using namespace std;

int main()

{

string leftOrRight = ""; // L or R for one student.

int rightTotal = 0; // Number of right-handed students.

int leftTotal = 0; // Number of left-handed students.

// This is the work done in the housekeeping() function

cout << "Enter an L if you are left-handed, a R if you are right-handed or X to quit: ";

cin >> leftOrRight;

// This is the work done in the detailLoop() function

// Write your loop here.

// This is the work done in the endOfJob() function

// Output number of left or right-handed students.

cout << "Number of left-handed students: " << leftTotal << endl;

cout << "Number of right-handed students: " << rightTotal << endl;

return 0;

}

W Enput: L for left-handed; R for ri
output: Prints the number of left-hi
ols
Summary
W
In this lab, you add a loop and the statements that make up the loop body
</>
8 #include <iostream>
to a C+ program that is provided. When completed, the program should
calculate two totals: the number of left-handed people and the number of
#include <string
8 using namespace std,
right-handed people in your class. Your loop should execute until the user
enters the character X instead of L for left-handed or R for right-handed.
alint nain()
IS
11
string leftorRight = R//Lor R
The inputs for this program are as follows: R, R, R, L, L L. R, L. R, R, L, X
12
int rightTotal = 0;
Number of r
13
int leftTotal = 0;
VA NUmber of 1
Variables have been declared for you, and the input and output statements
15
AThis is the Nork done in the house
have been written.
16
cout Ehten an Lif you are left-t
cks
alancing
cin >» leftorRight;
Instructions
13
WAThis is the work done in the detai
1. Ensure the source code file named LeftOrRight.cpp is open in the code
Nrite your loop here
editor.
2. Write a loop and a loop body that allows you to calculate a total of left-
12:
This is the work done in the endofi
04
W output number of left or right-hanc
handed and right-handed people in your class.
25
cout <"Number of left-handed student
3. Execute the program by clicking the Run button and using the data
26
cout <<Number of right-handed studen
27
龍
listed above and verify that the output iİs correct.
配8
return B;
29

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