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import Foundation
import Glibc
/*
//Task 1
var listOfNumbers = [1, 2, 3, 10, 100]
for i in 0..<(listOfNumbers.count){
if i % 2 != 0 {
print("The index is \(i) and number = \(listOfNumbers[i]) ")
}
}
//OR
var i = 1
while i < listOfNumbers.count {
print(listOfNumbers[i])
i += 2
}
//OR
for var i = 1; i < listOfNumbers.count; i += 2 {
print(listOfNumbers[i])
}
//OR
for (index, number) in listOfNumbers.enumerated(){
while index % 2 != 0 {
print("The index is \(index) and number = \(number) ")
}
}
//Task 2
var listOfNumbers = [1, 2, 3, 10, 100]
for i in (listOfNumbers).reversed() {
print(i)
}
//Task 3
var listOfNumbers = [1, 2, 5, 10, 100]
var leftIndex = 0
var rightIndex = listOfNumbers.count - 1
while leftIndex < rightIndex {
let temp = listOfNumbers[rightIndex]
listOfNumbers[rightIndex] = listOfNumbers[leftIndex]
listOfNumbers[leftIndex] = temp
leftIndex += 1
rightIndex -= 1
}
print(listOfNumbers)
//Task 4
var listOfNumbers = [1, 2, 3, 10, 100]
var x = 3
var result = "No"
for number in listOfNumbers {
if x == number {
result = "Yes"
}
}
print(result)
//OR
var x = 4
if listOfNumbers.contains(x) {
print("yes")
}else {
print("no")
}
//OR
var x = 10
var xAppears = false
for number in listOfNumbers {
if number == x {
xAppears = true
}
}
if xAppears {
print("yes")
} else {
print("no")
}
*/
/*
//Task 5
var aString = "Hello"
var reverse = ""
for chars in aString.reversed(){
reverse += String(chars)
}
print(reverse)
//Task 6
var aString = "Replace the letter e with *"
var replacedString = ""
for chars in aString {
if chars == "e" {
replacedString += "*"
} else {
replacedString += String(chars)
}
}
print(replacedString)
//Task 7
var aString = "anutforajaroftuna"
var reversed = ""
for chars in aString.reversed() {
reversed += String(chars)
}
if aString == reversed {
print("True")
} else {
print("No")
}
//OR
var aString = "anutforajaroftuna"
var reversed = String(aString.reversed())
print(reversed == aString)
//Task 8
var problem = "split this string into words and print them on separate lines"
for chars in problem {
if chars != " " {
print(chars, terminator:"")
} else {
print("")
}
}
*/
import Foundation
import Glibc
/*
var arrOfNames: [String] = ["Ahmed", "Belal", "Abdelhamed", "Asmaa", "Salma", "Jacky"]
for name in arrOfNames {
print("Hello \(name)")
}
print(arrOfNames.count)
print(arrOfNames[0])
//arrOfNames += ["Ali"]
//arrOfNames.insert("ali", at: 1)
//arrOfNames.remove(at: 1)
for name in arrOfNames {
print("Hello \(name)")
}
*/
/*
//Task 1
var listOfNumbers = [1, 2, 63, 10, 50]
var max = listOfNumbers[0]
for number in listOfNumbers {
if max < number {
max = number
}
}
print(max)
*/
var listOfNumbers = [1, 2, 3, 10, 100]
for number in listOfNumbers {
if number % 2 != 0 {
print(number)
}
}
import Foundation
import Glibc
/*
//Task 1
let N: Int = 10
var power: Int = 1
while power <= N {
print(power * power)
power += 1
}
//Task 2
let N = 9
var left = 1
var right = N
while left < right {
print(left)
print(right)
right = N - left
left += 1
}
if left == right{
print(right)
}
//Task 3
let N: Int = 4
var times = 1
while times <= N {
for _ in 1...N {
print("*",terminator: " ")
}
print("")
times += 1
}
//Task 4
var n = 2
var m = 3
for _ in 1...n {
for _ in 1...m {
print("*",terminator: " ")
}
print("")
}
*/
import Foundation
import Glibc
// Task 2
// Change the operation and execute, verify the results
// you may use + - * /
func playWithNumbers(number: Int) -> Int {
let firstNumber = 8
let result = firstNumber + number
return result
}
var result = playWithNumbers(number: 5)
print(result)
import Foundation
import Glibc
//Task 1
// Caculate the number of characters in a word
func numberOfCharacters(word: String) -> Int {
let charactersInName = word.count
return charactersInName
}
var numOfCharacters = numberOfCharacters(word: "Patrick")
print(numOfCharacters)
import Foundation
import Glibc
/*
let numberOfBoys: Int = 20
let numberOfGirls: Int = 60
let numberOfStudents: Int = numberOfBoys + numberOfGirls
var percentageOfBoys: Int = ( numberOfBoys * 100 / numberOfStudents )
var percentageOfGirls: Int = ( numberOfGirls * 100 / numberOfStudents )
print("The percentage of boys in the class = \(percentageOfBoys) \nThe percentage of girls in the class = \(percentageOfGirls)")
*/
/*
//Another Way
let numberOfBoys: Int = 20
let numberOfGirls: Int = 60
let numberOfStudents: Int = numberOfBoys + numberOfGirls
var percentageOfBoys = Double ( numberOfBoys ) / Double( numberOfStudents ) * 100
var percentageOfGirls = Double ( numberOfGirls ) / Double( numberOfStudents ) * 100
print("The percentage of boys in the class = \(percentageOfBoys) \nThe percentage of girls in the class = \(percentageOfGirls)")
*/
/*
//test
var a = 6
var b = 6
if (a > b) {
print("a > b")
} else if (a < b) {
print("a < b")
}else{
print("a = b")
}
*/
/*
var age: Int = 19
var money: Int = 25000
if age >= 18 {
if money >= 20000 {
print("Getting a new car, baby!")
}else{
print("Sorry, you don't have enough money.")
}
}else{
print("Sorry, you're not old enough.")
}
*/
/*
var a: Int = 6
var b: Int = 7
if a > b {
print("The largest is a = \(a)")
}else if b > a {
print("The largest is b = \(b)")
}else{
print("a = b")
}
if a % 2 == 0 {
print("a = \(a) is even ")
}else{
print("a = \(a) is odd ")
}
*/
/*
var a: Int = 8
var b: Int = 2
if a % b == 0 {
print("divisible")
} else {
print("not divisible")
}
*/
