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C programming - Pointers

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The variable 'ptr' holds the address of the 4th element of the array here.Then 'ptr1' is also assigned the same address and 'ptr2' holds the base address of the array.

It is to be noted that the value of ptr and ptr2 gets dereferenced first then incremented within printf() statement.

So ASCII value of newline character  =  10 (in decimal)

and ASCII value of 'A'  = 65

So the result of the expression will be  : 10 + 1 + 65 + 1 - 10

                                                    =     67

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