A Laboratory Course in C++, 5th Edition

Chapter 7: Prelab Assignment

Additional Control Structures | 155

Name __________________________________________ Date _______________________

Section _________________________________________

Read program Loops carefully and answer Exercises 1 and 2.

// Program Loops demonstrates various looping structures.

#include <iostream>

#include <fstream>

using namespace std;

int main ()

{

ifstream inData;

int value;

inData.open("loop.dat");

{ // while loop

int counter = 1;

int sum = 0;

while (counter <= 4)

{

inData >> value;

sum = sum + value;

counter++;

}

cout << sum << endl;

}

{ // do-while loop

int counter = 1;

int sum = 0;

do

{

inData >> value;

sum = sum + value;

counter++;

} while ...