Determine by hand the output of each program listed on the following pages using

Question

Determine by hand the output of each program listed on the following pages using the data files shown below.

Contents of data file:

2.0 3

4.0 5

6.0 7

Program:

#include <iostream>

#include <fstream>                                   

using namespace std;

int main ( void )

{

    double x,y,z;

    ifstream infile("E:dat1.in");

    infile >> x >> y >> z;

    cout << "x = " << x << endl << "y = " << y << endl

            << "z = " << z << endl;

    infile.close()

return 0; }

X = ?

Y = ?

Z = ?

Explanation / Answer

infile >> x >> y >> z; reads the first 3 numbers of the file and store in variables x,y,z

first 3 numbers in file are 2.0,3,4.0

so output would be

X = 2

Y = 3

Z = 4

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