공대생의 비망록

1234567891011121314151617181920212223242526272829303132333435struct Queue { private var list = [T]() var isEmpty: Bool { return self.list.isEmpty } var front: T? { return self.list.first } mutating func enqueue(_ item: T) { self.list.append(item) } mutating func dequeue() -> T? { guard self.isEmpty == false else { return nil } return self.list.removeFirst() } }Colored by Color Scriptercs

12345678910111213141516171819202122232425262728293031323334353637struct Stack { private var list = [T]() var isEmpty: Bool { return self.list.isEmpty } var top: T? { return self.list.last } mutating func push(_ item: T) { self.list.append(item) } mutating func pop() -> T? { return self.list.popLast() } mutating func peek() -> T? { return self.list.last } } Colored by Color Scriptercs

123456789func containsTuple(_ array: [(Int, Int)], _ tuple:(Int,Int)) -> Bool { let (x, y) = tuple for (i, j) in array { if i == x && j == y { return true } } return false}Colored by Color Scriptercs