/// <summary>
/// intert value to hash_table
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public void add(int key, string value)
{
int index = Hash(key);
if (arr[index] == null)
{
arr[index] = new Llist();
}
arr[index].add(key, value);
}
/// <summary>
/// initialize a hash table with a size as input
/// </summary>
/// <param name="size"></param>
public Hash_table(int size)
{
Size = size;
arr = new Llist[size];
}
/// <summary>
/// no input ,initialize a hash table--defalut if no input size
/// </summary>
public Hash_table()
{
Size = 50;
arr = new Llist[50];
}