public static void createDictionary()
{
int dictionaryNumber = 0;
while (dictionaryNumber < 1 || dictionaryNumber > 2)
{
Console.WriteLine("What will we be inserting into the dictionary?");
Console.WriteLine("1. Strings");
Console.WriteLine("2. Integers");
dictionaryNumber = Convert.ToInt32(Console.ReadLine());
}
CamDictionary <string> dictionary1 = new CamDictionary <string>();
CamDictionary <int> dictionary2 = new CamDictionary <int>();
int i = 0;
while (i < 1 || i > 4)
{
Console.WriteLine("Select option:");
Console.WriteLine("1. Manually build dictionary");
Console.WriteLine("2. Automatic build with small dataset");
Console.WriteLine("3. Automatic build with large dataset");
Console.WriteLine("4. Automatic build with hardcore dataset");
i = Convert.ToInt32(Console.ReadLine());
}
int j = 0;
while (j < 1 || j > 2)
{
Console.WriteLine("Enable optimisations (AVL tree balancing)?");
Console.WriteLine("1. Yes");
Console.WriteLine("2. No");
j = Convert.ToInt32(Console.ReadLine());
}
if (j == 2)
{
dictionary1.noOptimisations = true;
dictionary2.noOptimisations = true;
}
int k = 0;
while (k < 1 || k > 2)
{
Console.WriteLine("Enable live feedback of every operation?");
Console.WriteLine("Note: If optimisations are disabled, heights will all be shown as zero.");
Console.WriteLine("Note 2: It is recommended to turn this OFF for large datasets.");
Console.WriteLine("It will crash on systems with low RAM if you try!!");
Console.WriteLine("1. Yes");
Console.WriteLine("2. No");
k = Convert.ToInt32(Console.ReadLine());
}
if (k == 1)
{
dictionary1.visualFeedback = true;
dictionary2.visualFeedback = true;
}
if (dictionaryNumber == 1)
{
buildStringDictionary(dictionary1, i);
}
else
{
buildIntegerDictionary(dictionary2, i);
}
bool inProgram = true;
while (inProgram)
{
int choice = 0;
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("Which operation would you like to perform?");
Console.WriteLine("1. Add");
Console.WriteLine("2. Delete");
Console.WriteLine("3. Search");
Console.WriteLine("4. Min");
Console.WriteLine("5. Max");
Console.WriteLine("6. Predecessor");
Console.WriteLine("7. Successor");
Console.WriteLine("8. Display dictionary diagram");
Console.WriteLine("9. List all entries");
Console.WriteLine("10. Display log");
Console.WriteLine("11. Exit");
choice = Convert.ToInt32(Console.ReadLine());
Console.ForegroundColor = ConsoleColor.Yellow;
if (dictionaryNumber == 1)
{
switch (choice)
{
case 1:
Console.WriteLine("Add a string to the dictionary");
dictionary1.add(Console.ReadLine());
break;
case 2:
Console.WriteLine("Delete a string from the dictionary");
dictionary1.delete(Console.ReadLine());
break;
case 3:
Console.WriteLine("Search for a string in the dictionary");
string stringToSearch = Console.ReadLine();
bool found = dictionary1.contains(stringToSearch);
if (found)
{
Console.WriteLine("String " + stringToSearch + " was found!");
}
else
{
Console.WriteLine("String " + stringToSearch + " not found!");
}
break;
case 4:
Console.WriteLine("The min value is: " + dictionary1.min());
break;
case 5:
Console.WriteLine("The max value is: " + dictionary1.max());
break;
case 6:
Console.WriteLine("Find the predecessor of a string in the dictionary");
stringToSearch = Console.ReadLine();
Console.WriteLine("The predecessor of " + stringToSearch + " is " + dictionary1.predecessor(stringToSearch));
break;
case 7:
Console.WriteLine("Find the successor of a string in the dictionary");
stringToSearch = Console.ReadLine();
Console.WriteLine("The successor of " + stringToSearch + " is " + dictionary1.successor(stringToSearch));
break;
case 8:
dictionary1.print();
break;
case 9:
Console.WriteLine(dictionary1.toString());
break;
case 10:
Console.WriteLine(dictionary1.getLogString());
break;
case 11:
inProgram = false;
break;
}
}
else
{
switch (choice)
{
case 1:
Console.WriteLine("Add an integer to the dictionary");
dictionary2.add(Convert.ToInt32(Console.ReadLine()));
break;
case 2:
Console.WriteLine("Delete an integer from the dictionary");
dictionary2.delete(Convert.ToInt32(Console.ReadLine()));
break;
case 3:
Console.WriteLine("Search for an integer in the dictionary");
int integer = Convert.ToInt32(Console.ReadLine());
bool found = dictionary2.contains(integer);
if (found)
{
Console.WriteLine("Integer " + integer + " was found!");
}
else
{
Console.WriteLine("Integer " + integer + " not found!");
}
break;
case 4:
Console.WriteLine("The min value is: " + dictionary2.min());
break;
case 5:
Console.WriteLine("The max value is: " + dictionary2.max());
break;
case 6:
Console.WriteLine("Find the predecessor of an integer in the dictionary");
integer = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The predecessor of " + integer + " is " + dictionary2.predecessor(integer));
break;
case 7:
Console.WriteLine("Find the successor of an integer in the dictionary");
integer = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The successor of " + integer + " is " + dictionary2.successor(integer));
break;
case 8:
dictionary2.print();
break;
case 9:
Console.WriteLine(dictionary2.toString());
break;
case 10:
Console.WriteLine(dictionary2.getLogString());
break;
case 11:
inProgram = false;
break;
}
}
}
}
public static void performanceAnalysis()
{
CamDictionary <int> optimisedDictionary = new CamDictionary <int>();
CamDictionary <int> unoptimisedDictionary = new CamDictionary <int>();
unoptimisedDictionary.noOptimisations = true;
Console.WriteLine("This mode will compare the performance of 2 randomly generated dictionaries with");
Console.WriteLine("the same data but one is optimised and the other is not.");
Console.WriteLine("Enter the size of the dictionary.");
int size = Convert.ToInt32(Console.ReadLine());
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("Building dictionaries. Stand by.");
Console.WriteLine("");
Random random = new Random();
for (int i = 0; i < size; i++)
{
int data = random.Next(10 * size);
optimisedDictionary.add(data);
unoptimisedDictionary.add(data);
}
int insertionTotalUnoptimised = unoptimisedDictionary.totalComparisons;
int insertionTotalOptimised = optimisedDictionary.totalComparisons;
int insertionMeanUnoptimised = unoptimisedDictionary.totalComparisons / size;
int insertionMeanOptimised = optimisedDictionary.totalComparisons / size;
int insertionMaxUnoptimised = unoptimisedDictionary.maxComparisons;
int insertionMaxOptimised = optimisedDictionary.maxComparisons;
double insertPercentage = (double)-(insertionTotalUnoptimised - insertionTotalOptimised) / (double)insertionTotalUnoptimised * 100.0;
unoptimisedDictionary.maxComparisons = 0;
optimisedDictionary.maxComparisons = 0;
unoptimisedDictionary.totalComparisons = 0;
optimisedDictionary.totalComparisons = 0;
for (int i = 0; i < size; i++)
{
int data = random.Next(10 * size);
optimisedDictionary.contains(data);
unoptimisedDictionary.contains(data);
}
Console.ForegroundColor = ConsoleColor.Magenta;
Console.WriteLine("\t\t\tUnoptimised \tOptimised");
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("\t\t\t=========== \t=========");
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("INSERTION");
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Total operations\t" + insertionTotalUnoptimised + "\t\t" + insertionTotalOptimised);
Console.WriteLine("Mean operations\t\t" + insertionMeanUnoptimised + "\t\t" + insertionMeanOptimised);
Console.WriteLine("Max operations\t\t" + insertionMaxUnoptimised + "\t\t" + insertionMaxOptimised);
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("SEARCHING");
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Total operations\t" + unoptimisedDictionary.totalComparisons + "\t\t" + optimisedDictionary.totalComparisons);
Console.WriteLine("Mean operations\t\t" + unoptimisedDictionary.totalComparisons / size + "\t\t" + optimisedDictionary.totalComparisons / size);
Console.WriteLine("Max operations\t\t" + unoptimisedDictionary.maxComparisons + "\t\t" + optimisedDictionary.maxComparisons);
Console.WriteLine("");
double searchPercentage = (double)(unoptimisedDictionary.totalComparisons - optimisedDictionary.totalComparisons) / (double)unoptimisedDictionary.totalComparisons * 100.0;
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("The optimised dictionary is {0:0.00}% more efficient for searches with a cost of {1:0.00}% reduced efficiency for insertions.\n\n", searchPercentage, insertPercentage);
Console.ReadKey();
}