ok here is the problem:
you read 3 integer numbers: x,n,p. The program have to ask you to display:
-the number formed of the n bytes from the position p
-number formed by setting n bytes strting with position p
-number formed by erasing n bytes starting with position p
-number formed by reversing n bytes starting with position p.
I don't even understand the problem. Somebody could help me please? I've worked in C but not this chapter related to bytes.
Thank You
Frankly, I don't either.
Is this the exact wording of the problem?
What is "position p"? Are you reading from a file? What does "the number formed" mean?
The info you've provided is too vague to write a program from, so we'll need more details.
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The following is my guess as to what they want you to do:
Read 3 integers, x, n, and p.
From there, you need print an altered version of x for each different request. The first request is to print the number x if x was altered as follows:
1) Take the position p to indicate which byte of x you're dealing with. So if p is 1, you want the first byte of the number.
2) From p, move forward n bytes. If n is one, just read 1 byte from p.
3) You have your number. Print it.
Note, this type of program is probably, first of all, not safe and leaves you the possibility to corrupt n and p, if x is declared first. If x is declared last, you might cause a seg fault.
Even assuming all goes well, you'll probably be introduced to the issues of endianess.
I hope u r talking about bits shuffling.
Convert 'x' in binary, take it in an array. Perform the manipulations as given in ur task. Then again convert binary to decimal and display.
S_ccess is waiting for u. Go Ahead, put u there.
Guesswork until the OP explains his homework
Originally Posted by boris1979
