Create fibonacci_iterative.go

Author: metacoder87

src/go/fibonacci_iterative.go

@@ -0,0 +1,20 @@
+package main
+
+import "fmt"
+
+func FibonacciIterative(n int) int {
+    if n <= 1 {
+        return 1
+    }
+
+    a, b := 1, 1
+    for i := 2; i <= n; i++ {
+        a, b = b, a+b
+    }
+    return b
+}
+
+func main() {
+    n := 9
+    fmt.Println("Fibonacci Iterative:", FibonacciIterative(n))
+}