waieez

var left = [
    "apple",
"grape",
"grape",
"melon"
]

var right = [
    "grape",
"lemon",

waieez

function Node(val, parent) {
	return {parent: parent, val:val, left:null, right:null}
}
// Root
var two = Node(2, null)
// L
var one = Node(1, two)
two.left = one
var onefive = Node(1.5, one)
one.right = onefive

waieez

var V = ["A", "B", "C"]
var E = [
	["A", "B", 3],
	["A", "C", 10],
	["B", "C", 5],
	["C", "A", -8]
]

BF(V, E, "A")