Are both of these correct?
print to the screen the contents of the 7th element of an array of doubles named myArray.
Code:printf("%d", myArray[6]);
populate the 2nd element of an array of doubles named myArray by scanning the input from the keyboard.
Code:scanf("%lf", myArray[2]);
No.Originally Posted by CASHOUT
What makes you think that that array indexes count differently for printf() and scanf()
Kurt
I don't think that at all. Our review for the upcoming test has a bunch of errors like this one. This was not my work, but the work of my instructor.
%d means integer. So print 7th element of array of integers named myArray.
Since before the [6] yield the 7th element, how can [2] yield the 2nd one????
Array indexing starts from zero.
So, if you have array[i], this means the (i+1)th element!
Code - functions and small libraries I use
It’s 2014 and I still use printf() for debugging.
"Programs must be written for people to read, and only incidentally for machines to execute. " —Harold Abelson
Well typos happen
Code - functions and small libraries I use
It’s 2014 and I still use printf() for debugging.
"Programs must be written for people to read, and only incidentally for machines to execute. " —Harold Abelson
This is trueWell typos happen
Also in your first printf, you are using a %d format specifier, which is for an integer. You are using a double, which uses a %f.
Print to the screen only the starting address of an array of 10 doubles named myArray.
Shouldn't there be a & symbol before myArray to signify that we want the address of and not the value of??Code:printf("%d", myArray);
An array in memory is a pointer to the beginning of the array;
Code:char array[] = "string"; char * pc = array; printf( "beginning array address: %p\n pointer to array: %p\n" , array , pc );
okay
so would this:be the same as this:Code:printf("%d", myArray);?Code:printf("%d", &myArray[0]);
No, it wouldn't.
Yes, they are the same thing.
You ever try a pink golf ball, Wally? Why, the wind shear on a pink ball alone can take the head clean off a 90 pound midget at 300 yards.
Oops, you're right. They are the same, just are both wrong. You're passing a pointer while using an int specifier.
Thank you all. I appreciate you
