def items = [
        [name:"map", weight:9, value:150],
        [name:"compass", weight:13, value:35],
        [name:"water", weight:153, value:200],
        [name:"sandwich", weight:50, value:160],
        [name:"glucose", weight:15, value:60],
        [name:"tin", weight:68, value:45],
        [name:"banana", weight:27, value:60],
        [name:"apple", weight:39, value:40],
        [name:"cheese", weight:23, value:30],
        [name:"beer", weight:52, value:10],
        [name:"suntan cream", weight:11, value:70],
        [name:"camera", weight:32, value:30],
        [name:"t-shirt", weight:24, value:15],
        [name:"trousers", weight:48, value:10],
        [name:"umbrella", weight:73, value:40],
        [name:"waterproof trousers", weight:42, value:70],
        [name:"waterproof overclothes", weight:43, value:75],
        [name:"note-case", weight:22, value:80],
        [name:"sunglasses", weight:7, value:20],
        [name:"towel", weight:18, value:12],
        [name:"socks", weight:4, value:50],
        [name:"book", weight:30, value:10],
]

[knapsack01bf, knapsack01dp].each { knapsack01 ->
    def start = System.currentTimeMillis()
    def packingList = knapsack01(items)
    def elapsed = System.currentTimeMillis() - start

    println "\n\n\nElapsed Time: ${elapsed/1000.0} s"
    println "Total Weight: ${totalWeight(packingList)}"
    println " Total Value: ${totalValue(packingList)}"
    packingList.each {
        printf ("  item: %-25s  weight:%4d  value:%4d\n", it.name, it.weight, it.value)
    }
}