C++ arrays
 

what does the following do?

int array[6] = { 5, 3, 4, 17, 22, 19 };

int* ptr = array[0]
*ptr = -1;
thank you!

Re: C++ arrays
 

The first line initializes the values of the array.
The second line is a syntax error. It should be

int* ptr = &array[0];

The last line sets the value of te first array element to -1.

Re: C++ arrays
 

wow thank you!

then in addition, what does

ptr+= 2
and ptr[1] =9

do?

thank you!!

Re: C++ arrays
 

>>then in addition, what does
Think about it and post your answer (or guess)

Re: C++ arrays
 

okies..

so this is what i thought:

ptr+= 2
increases the pointer by two.. so the ptr will now point to array[2]

and ptr[1] =9

the value of index 1 is equal to 9..

is this correct?

thank you!

Re: C++ arrays
 

yes, but in the original array which element is set to 9?

Re: C++ arrays
 

umm.. is it array[1] which is origially 3 set to 9?

Re: C++ arrays
 

nope -- try again ?