public void InitTest()
{
Random rand = new Random();
this.test1 = new List <int>();
this.test2 = new List <int>();
this.test3 = new List <int>();
for (int i = 0; i < 10000; i++)
{
this.test1.Add(rand.Next(20001));
this.test2.Add(rand.Next(20001));
this.test3.Add(rand.Next(20001));
}
this.test1a = new Strat1(this.test1);
this.test1b = new Strat2(this.test1);
this.test1c = new Strat3(this.test1);
this.test2a = new Strat1(this.test2);
this.test2b = new Strat2(this.test2);
this.test2c = new Strat3(this.test2);
this.test3a = new Strat1(this.test3);
this.test3b = new Strat2(this.test3);
this.test3c = new Strat3(this.test3);
}
public Form1()
{
this.InitializeComponent();
List <int> randList = new List <int>();
Random rand = new Random();
for (int i = 0; i < 10000; i++)
{
randList.Add(rand.Next(20001));
}
Strat1 firstMethod = new Strat1(randList);
Strat2 secondMethod = new Strat2(randList);
Strat3 thirdMethod = new Strat3(randList);
this.textBox1.AppendText("1.) Hashset method: " + firstMethod.GetSize() + " distinct numbers \r\n");
this.textBox1.AppendText(" Time complexity = insertion + find_size\r\n"
+ " --Where insertion time into hashtable is O(n) (1 insert/element in input)\r\n"
+ " and find_size is O(1)\r\n"
+ " Thus, time complexity = O(n) + O(1)\r\n"
+ " = O(n)\r\n");
this.textBox1.AppendText(" Memory complexity = O(n) " +
"(one element in hashtable for each element of the input, assuming list of fully distinct integers\r\n");
this.textBox1.AppendText("\r\n2.) O(1) storage method: " + secondMethod.GetUniqueInt() +
" distinct numbers\r\n");
this.textBox1.AppendText(" time complexity = O(n^2)\r\n"
+ " (each element is compared with other elements in the list, resulting in n^2 comparisons)\r\n");
this.textBox1.AppendText(" Memory complexity = O(1) as specified in requirements and are independent of the size of input\r\n");
this.textBox1.AppendText("\r\n3.) Sorting method: " + thirdMethod.GetUniquInt() + " distinct numbers \r\n");
this.textBox1.AppendText(" Time complexity = O(n) (Algorithm performs n comparisons)\r\n");
this.textBox1.AppendText(" Memory complexity = O(1) as specified in requirements and are independent of the size of input\r\n");
}