public bool RemoveItem(Item item){
if (!items.Contains(item))
return false;
items.Remove(item);
taken [item.Index] = false;
Weight -= item.Weight;
Value -= item.Value;
return true;
}
/// <summary>
/// Adds an item to the knapsack. If the knapsack is full, the item will not be added.
/// </summary>
/// <param name="item">Item.</param>
public void AddItem(Item item){
// do not add to the knapsack if it overfills it
if (Weight + item.Weight > MaximumCapacity || items.Contains(item))
return;
taken [item.Index] = true;
Weight += item.Weight;
Value += item.Value;
items.Add(item);
}