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iOS Swift Collections and Control Flow Control Flow With Conditional Statements Working With Logical Operators

Halyna Buriachenko
PLUS
Halyna Buriachenko
Courses Plus Student 1,868 Points
Posted by Halyna Buriachenko
Halyna Buriachenko
Courses Plus Student 1,868 Points

Logical operators ios

Hi guys. HELP please.I have no idea how to write code in this challenge. :(

For this challenge, we'd like to know in a range of values from 1 to 100, how many numbers are both odd, and a multiple of 7.

To start us off, I've written a for loop to iterate over the desired range of values and named the local constant n. Your job is to write an if statement inside the for loop to carry out the desired checks.

If the number is both an odd number and a multiple of 7, append the value to the results array provided.

Hint: To check for an odd number use the not operator to check for "not even"

var results: [Int] = []

for n in 1...100 {

    }
operators.swift 
var results: [Int] = []

for n in 1...100 {
    // Enter your code below
   if n {

   }
    // End code 
}

2 Answers

Jeff McDivitt
Jeff McDivitt
23,970 Points
Jeff McDivitt
Jeff McDivitt
23,970 Points

Hi Halyna -

  1. You first need to check if the number is a multiple of 7, you do this using the modulus operator
  2. You also need to check if the number is odd, you also use the modulus operator here
  3. If both conditions are met using && you simply append the value of n
var results: [Int] = []

for n in 1...100 {
    // Enter your code below

    if n % 7 == 0 && n % 2 != 0{

    results.append(n)

    }

    // End code 
}