Исходники и презентации

lessons/functions/memoization/main.go

@@ -0,0 +1,29 @@
+package main
+
+func Fibonacci(number int) int {
+	if number <= 2 {
+		return 1
+	}
+
+	return Fibonacci(number-1) + Fibonacci(number-2)
+}
+
+func FibonacciWithMemoization(number int) int {
+	cache := make([]int, number+1)
+	var impl func(number int) int
+	impl = func(n int) int {
+		if cache[n] != 0 {
+			return cache[n]
+		}
+
+		if number <= 2 {
+			return 1
+		} else {
+			cache[n] = impl(n-1) + impl(n-2)
+		}
+
+		return cache[n]
+	}
+
+	return impl(number)
+}