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Alia Khan
3,733 PointsWorking with logical operators challenge
What have I done wrong here?
Thank you
var results: [Int] = []
for n in 1...100 {
// Enter your code below
if n % 2 != 0 && n * 7 == 0 {
results.append(n)
}
// End code
}
1 Answer
Jennifer Nordell
Treehouse TeacherHi there, Alia! The operator between the n and the 7 is incorrect. That's a multiplication operator. To check if something is equally divisible by a number we use the modulus operator (which you did perfectly when checking for an odd number). Any number % 2 is going to return a 0 or a 1. Five modulus 2 will return a 1 because two goes into five twice with a remainder of one. So all odd numbers will have a one.
To see if a number is evenly divisible by 7 you need to employ the same tactic. 13%7 will return a 6 because 7 goes into 13 once with a remainder of 6. Thus, it isn't evenly divisible. Fourteen modulus 7 will return a 0 as seven goes into fourteen twice with a remainder of 0.
For any number x % y we say that x is evenly divisible by y when the number returned from this operation is 0.
Try again with these hints in mind!
