C Programming
Comment on the following?const int *ptr;

We cannot change the pointer ptr itself.
We can change the pointer as well as the value pointed by it.
We cannot change the value pointed by ptr.
Both of the above

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C Programming
Use of functions

Helps to avoid repeated programming across programs.
Makes the debugging task easier.
All of these
Helps to avoid repeating a set of statements many times.
Enhances the logical clarity of the program.

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