static void Main(string[] args)
{
int inputArraySize;
int[] array;
MergeSort _mergeSort = new MergeSort();
int[] result;
Random random = new Random();
StringBuilder stringBuilder = new StringBuilder();
Console.WriteLine("Do you wish to entry array size manually (Input 1) or let the computer do it for you? (Input 2) ");
int optionselected = Convert.ToInt32(Console.ReadLine());
switch (optionselected)
{
case 1: Console.WriteLine("You have choosen to input size and element of the array manually");
Console.WriteLine("Please enter size of the array");
inputArraySize = Convert.ToInt32(Console.ReadLine());
array = new int[inputArraySize];
result = new int[inputArraySize];
Console.WriteLine("Please enter elements of the array");
for (int i = 0; i < inputArraySize; i++)
{
array[i] = Convert.ToInt32(Console.ReadLine());
stringBuilder.Append(array[i]);
stringBuilder.Append(" | ");
}
Console.WriteLine("Entered elements in the input array are :");
Console.WriteLine(stringBuilder.ToString());
Console.WriteLine("Performing merge sort");
result = _mergeSort.MergeSortFunc(array);
stringBuilder.Clear();
Console.WriteLine("Sorting is done.Here is the sorted array");
for (int i = 0; i < inputArraySize; i++)
{
stringBuilder.Append(result[i]);
stringBuilder.Append(" | ");
}
Console.WriteLine(stringBuilder.ToString());
break;
case 2: Console.WriteLine("You have choosen to let computer prepare the input array for you and do the merge sort");
Console.WriteLine("Selecting size of an array");
inputArraySize = random.Next(10);
Console.WriteLine("Size selected : " + inputArraySize);
array = new int[inputArraySize];
result = new int[inputArraySize];
Console.WriteLine("Entering elements of the array");
for (int i = 0; i < inputArraySize; i++)
{
array[i] = random.Next(0, 100);
stringBuilder.Append(array[i]);
stringBuilder.Append(" | ");
}
Console.WriteLine("Entered elements in the input array are :");
Console.WriteLine(stringBuilder.ToString());
Console.WriteLine("Performing merge sort");
result = _mergeSort.MergeSortFunc(array);
stringBuilder.Clear();
Console.WriteLine("Sorting is done.Here is the sorted array");
for (int i = 0; i < inputArraySize; i++)
{
stringBuilder.Append(result[i]);
stringBuilder.Append(" | ");
}
Console.WriteLine(stringBuilder.ToString());
break;
default: Console.WriteLine("You havent choosen from the option available"); break;
}
Console.ReadLine();
}