Quiz · Functions · lesson 9 of 9
Quiz — recursion
What does the program print?
func sum(_ n: Int) -> Int {
if n == 1 {
return 1
}
return n + sum(n - 1)
}
print(sum(4))What does the program print?
func sum(_ n: Int) -> Int {
if n == 1 {
return 1
}
return n + sum(n - 1)
}
print(sum(4))
