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ziriko
680 PointsNot sure my brain is cut out for this anymore, and I just started a few days ago!
I'm trying to figure out how I can make the numbers array indexes add themselves together in this loop. there is some kind of logic that I guess I forgot.
let numbers = [2,8,1,16,4,3,9]
var sum = 0
var counter = 0
// Enter your code below
while counter < numbers.count {
counter += 1
sum += numbers[counter]
}
1 Answer
Brandon Mahoney
iOS Development with Swift Techdegree Graduate 30,149 PointsYou are very close.
Increment the counter after you add to the value of sum. Remember that the first object in an array starts at 0. So if you increment first you will never add the first number in the array. So if you want to access the first number in the array which is 2 you would access it like this: array[0]
-
When adding the Int to sum you need too assign it to sum as well.
sum = sum + numbers[counter]
Also every time you get passed something you didn't understand just think of it like doing a push up for your brain. I remember when I first watched the video on completion handlers I was like wtf I will never get this. Now I'm like how did I not get this lol.
ziriko
680 PointsThank you a lot sir. You give me a lot of motivation to persevere.
mrtroy
8,069 Pointsmrtroy
8,069 PointsLet me give you a hint because you are very close to the answer to this challenge.
The first index of an array is zero and the first thing you do in the while loop is increment that.
On a different note if you are wanting to get a sum of the indexs not the values you will need to setup another variable, but I don't think that is what the challenge is asking for. Look close. You are almost there.