private static IEnumerable <Component> _getStrongestBridge(IEnumerable <Component> components, Bridge bridge)
{
var strongestBridge = new List <Component>();
foreach (var component in components)
{
if (bridge.TryAddComponent(component))
{
var nextList = _getStrongestBridge(components.Where(c => !c.Equals(component)), bridge).ToList();
if (strongestBridge.Sum(c => c.Strength) < nextList.Sum(c => c.Strength))
{
strongestBridge = nextList;
}
}
}
strongestBridge.Add(bridge.RemoveComponent());
return(strongestBridge);
}
private static async Task <IEnumerable <Component> > _getStrongestBridgeAsync(IEnumerable <Component> components, Bridge bridge)
{
var strongestBridge = new List <Component>();
var nextLists = new List <Task <IEnumerable <Component> > >();
foreach (var component in components)
{
var newBridge = new Bridge(bridge);
if (newBridge.TryAddComponent(component))
{
nextLists.Add(Task.Run(() => _getStrongestBridge(components.Where(c => !c.Equals(component)).ToList(), newBridge)));
}
}
foreach (var nextList in nextLists)
{
if ((await nextList).Sum(c => c.Strength) > strongestBridge.Sum(c => c.Strength))
{
strongestBridge = (await nextList).ToList();
}
}
strongestBridge.Add(bridge.RemoveComponent());
return(strongestBridge);
}