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Oct 21st, 2009

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C++ with Arrays

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// try out
//Program - 5.4
# include <iostream.h>
# include <conio.h>
void main ( )
{
int x[5] = {1,2,3,4,5}, y [5] = {5,4,3,2,1},
result [5] = { 0,0,0,0,0 };
int i= 0;
while (i++ < 5)
result [i] = x [i] - y [i];
clrscr ( );
cout << “\n The contents of the array are: \n”;
i= 0 ;
do
{
cout << ‘\t’ << x [i]
<< ‘\t’ << y [i]
<< ‘\t’ << result [i]<<‘\n’;
i++;
} while (i<5);
getch ( );
}

What is the output of the below program?
I want walk through of this program

C++ Syntax (Toggle Plain Text)
// try out
//Program - 5.4
# include <iostream.h>
# include <conio.h>
void main ( )
{
int x[5] = {1,2,3,4,5}, y [5] = {5,4,3,2,1},
result [5] = { 0,0,0,0,0 };
int i= 0;
while (i++ < 5)
result [i] = x [i] - y [i];
clrscr ( );
cout << “\n The contents of the array are: \n”;
i= 0 ;
do
{
cout << ‘\t’ << x [i]
<< ‘\t’ << y [i]
<< ‘\t’ << result [i]<<‘\n’;
i++;
} while (i<5);
getch ( );
}
 
 
What is the output of the below program?
I want walk through of this program
// try out
//Program - 5.4
# include <iostream.h>
# include <conio.h>
void main ( )
{
int x[5] = {1,2,3,4,5}, y [5] = {5,4,3,2,1},
result [5] = { 0,0,0,0,0 };
int i= 0;
while (i++ < 5)
result [i] = x [i] - y [i];
clrscr ( );
cout << “\n The contents of the array are: \n”;
i= 0 ;
do
{
cout << ‘\t’ << x [i]
<< ‘\t’ << y [i]
<< ‘\t’ << result [i]<<‘\n’;
i++;
} while (i<5);
getch ( );
}

 
What is the output of the below program?
I want walk through of this program

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srmcsclab

Reputation Points: 10

Solved Threads: 0

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1 posts
since Oct 2009

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Oct 21st, 2009

Re: C++ with Arrays

c++ Syntax (Toggle Plain Text)
int x[5] = {1,2,3,4,5}, y[5] = {5,4,3,2,1},
result[5] = {0,0,0,0,0};
int x[5] = {1,2,3,4,5}, y[5] = {5,4,3,2,1},
result[5] = {0,0,0,0,0};

This creates 3 arrays of the type int, with the names x, y and result.

c++ Syntax (Toggle Plain Text)
int i = 0;
while(i++ < 5)
        result[i] = x[i] - y[i];
int i = 0;
while(i++ < 5)
        result[i] = x[i] - y[i];

This loops through a range of 1 to 5 with i as the current value, and puts x[i] - y[i] into result[i]

c++ Syntax (Toggle Plain Text)

clrscr();

this clears the console's text buffer(get's rid of all the text in the console screen)

c++ Syntax (Toggle Plain Text)
cout << “\n The contents of the array are: \n”;
i= 0 ;
do
{
        cout << ‘\t’ << x [i]
        << ‘\t’ << y [i]
        << ‘\t’ << result [i]<<‘\n’;
        i++;
} while (i<5);
cout << “\n The contents of the array are: \n”;
i= 0 ;
do
{
        cout << ‘\t’ << x [i]
        << ‘\t’ << y [i]
        << ‘\t’ << result [i]<<‘\n’;
        i++;
} while (i<5);

'\n' = newline
'\t' a tab(usually equal to the width of 4 spaces)

this prints out all the contents of the arrays, one after eachother while i(which gets incremented(+1) each run through the loop) is smaller then 5.

c++ Syntax (Toggle Plain Text)

getch();

waits for the user to input something

If anyone see's something incorrect, or they think they can offer a better explanation, feel free to correct me.

tomtetlaw

Reputation Points: 9

Solved Threads: 5

Posting Pro

Offline

591 posts
since Sep 2008

Permalink

Oct 21st, 2009

Re: C++ with Arrays

Alternatively, you could visit this:

http://www.cplusplus.com/doc/tutorial/

And look at the things in there like loops, arrays, variables and stuff that you are curious about

Last edited by tomtetlaw; Oct 21st, 2009 at 7:12 am.

tomtetlaw

Reputation Points: 9

Solved Threads: 5

Posting Pro

Offline

591 posts
since Sep 2008

This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.

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