RosettaCodeData/Task/Knapsack-problem-Unbounded/Groovy/knapsack-problem-unbounded-...

22 lines
777 B
Groovy

Set solutions = []
items.eachPermutation { itemList ->
def start = System.currentTimeMillis()
def packingList = knapsackUnbounded(itemList, 25.0, 0.250)
def elapsed = System.currentTimeMillis() - start
println "\n Item Order: ${itemList.collect{ it.name.split()[0] }}"
println "Elapsed Time: ${elapsed/1000.0} s"
solutions << (packingList as Set)
}
solutions.each { packingList ->
println "\nTotal Weight: ${totalWeight(packingList)}"
println "Total Volume: ${totalVolume(packingList)}"
println " Total Value: ${totalValue(packingList)}"
packingList.each {
printf (' item: %-22s count:%2d weight:%4.1f Volume:%5.3f\n',
it.item.name, it.count, it.item.weight * it.count, it.item.volume * it.count)
}
}