Stop a for loop when user is finished entering input in c

Question

First of all, thank you for the assist!

I\'m new to the C language (and programming in general) and I\'m trying to write a program wherein the user inputs data point

Answer 1

• Your data is of type double. It can't scan a literal "done".

Instead use EOF for checking end of input.

while(scanf("%lf",&data[i]) != EOF) {
    ...
}

Another way:

while(scanf("%lf",&data[i]) == 1) {
    ...
}

• Another thing, initialize count to zero, i.e. count = 0;