**Day 8
**Function Style
func add(a:Int,b:Int) -> Int
{
return a+b
}
add(5, b: 6)
let anotherAdd:(Int,Int)-> Int = add
anotherAdd(1,1)
var a = 5,b=1
swap(&a, &b)
a
b
func changeScores1(inout scores:[Int])
{
for i in 0..<scores.count
{
scores[i] = Int( Double(scores[i]) / 150.0 * 100.0 )
}
}
var scores1 = [1,5,1,5,4,2,3]
changeScores1(&scores1)
scores1
func changeSorts(inout number:[Int])
{
for i in 0..<number.count
{
number[i] = Int(number[i]*10)
}
}
var arr = [55,6,1,88]
changeSorts(&arr)
arr
var a = 9
var b = sqrt(Double(a))
func binarySystem(number:Int) -> String
{
var resultValue : String = ""
var result = number
while result > 0
{
resultValue = String(result%2) + resultValue
result /= 2
print(result)
}
return resultValue
}
binarySystem(6)
时间： 2024-10-11 23:02:19