private static void ExecuteContainsCommand(string[] arguments, DictHashSet <int> dictHashSet)
{
int element = int.Parse(arguments[1]);
bool contains = dictHashSet.Contains(element);
AppendLine(contains.ToString());
}
private static void ExecuteRemoveCommand(string[] arguments, DictHashSet <int> dictHashSet)
{
int element = int.Parse(arguments[1]);
bool isRemoved = dictHashSet.Remove(element);
AppendLine(isRemoved.ToString());
}
public static void Main(string[] args)
{
DictHashSet <int> dictHashSet = new DictHashSet <int>();
ExecuteCommands(dictHashSet);
Console.WriteLine(outputBuilder.ToString().TrimEnd());
}
private static void ExecuteCommands(DictHashSet <int> dictHashSet)
{
string commandsCountInput = Console.ReadLine();
int commandsCount = int.Parse(commandsCountInput);
for (int i = 0; i < commandsCount; i++)
{
string commandLine = Console.ReadLine();
ExecuteCommands(commandLine, dictHashSet);
}
}
private static void ExecuteElementsCommand(DictHashSet <int> dictHashSet)
{
StringBuilder elementsBuilder = new StringBuilder();
foreach (int item in dictHashSet)
{
elementsBuilder.Append(item + " ");
}
AppendLine(elementsBuilder.ToString());
}
private static void ExecuteIntersectCommand(string[] arguments, DictHashSet <int> dictHashSet)
{
DictHashSet <int> intersectionSet = new DictHashSet <int>();
for (int i = 1; i < arguments.Length; i++)
{
int otherSetElement = int.Parse(arguments[i]);
intersectionSet.Add(otherSetElement);
}
dictHashSet.Intersect(intersectionSet);
}
public void Union(DictHashSet <T> otherDictHashSet)
{
if (otherDictHashSet == null)
{
throw new ArgumentNullException();
}
foreach (T item in otherDictHashSet)
{
this.Add(item);
}
}
public void Intersect(DictHashSet <T> otherDictHashSet)
{
if (otherDictHashSet == null)
{
throw new ArgumentNullException();
}
DictHashSet <T> intersection = new DictHashSet <T>();
foreach (T item in otherDictHashSet)
{
if (this.Contains(item))
{
intersection.Add(item);
}
}
this.container = intersection.container;
}
private static void ExecuteCommands(string commandLineString, DictHashSet <int> dictHashSet)
{
string[] commandLine = commandLineString.Split();
string command = commandLine[0];
switch (command)
{
case "count":
ExecuteCountCommand(dictHashSet);
break;
case "contains":
ExecuteContainsCommand(commandLine, dictHashSet);
break;
case "add":
ExecuteAddCommand(commandLine, dictHashSet);
break;
case "remove":
ExecuteRemoveCommand(commandLine, dictHashSet);
break;
case "clear":
ExecuteClearCommand(dictHashSet);
break;
case "union":
ExecuteUnionCommand(commandLine, dictHashSet);
break;
case "intersect":
ExecuteIntersectCommand(commandLine, dictHashSet);
break;
case "elements":
ExecuteElementsCommand(dictHashSet);
break;
}
}
private static void ExecuteCountCommand(DictHashSet <int> dictHashSet)
{
int count = dictHashSet.Count;
AppendLine(count.ToString());
}
private static void ExecuteClearCommand(DictHashSet <int> dictHashSet)
{
dictHashSet.Clear();
}