public static void Execute()
{
// read the string s.
string s = Console.ReadLine();
// create the Solution class object p.
QueuesStacks obj = new QueuesStacks();
// push/enqueue all the characters of string s to stack.
foreach (char c in s)
{
obj.pushCharacter(c);
obj.enqueueCharacter(c);
}
bool isPalindrome = true;
// pop the top character from stack.
// dequeue the first character from queue.
// compare both the characters.
for (int i = 0; i < s.Length / 2; i++)
{
if (obj.popCharacter() != obj.dequeueCharacter())
{
isPalindrome = false;
break;
}
}
// finally print whether string s is palindrome or not.
if (isPalindrome)
{
Console.Write("The word, {0}, is a palindrome.", s);
}
else
{
Console.Write("The word, {0}, is not a palindrome.", s);
}
}
static void Menu()
{
string day;
Console.WriteLine("Type the number of challenge that you desire to execute:");
Console.WriteLine("0 - SimpleArraySum;");
Console.WriteLine("1 - DataTypes;");
Console.WriteLine("2 - Operators;");
Console.WriteLine("3 - Conditional;");
Console.WriteLine("4 - ClassVsInstance;");
Console.WriteLine("5 - Loops;");
Console.WriteLine("6 - Review;");
Console.WriteLine("7 - Arrays;");
Console.WriteLine("8 - DictonariesMaps;");
Console.WriteLine("9 - Recursion;");
Console.WriteLine("10 - Binary Numbers;");
Console.WriteLine("11 - 2D Arrays;");
Console.WriteLine("12 - Inheritance;");
Console.WriteLine("13 - Abstract;");
Console.WriteLine("14 - Scope;");
Console.WriteLine("15 - Linked List;");
Console.WriteLine("16 - Exception - String to Integer;");
Console.WriteLine("17 - More Exceptions;");
Console.WriteLine("18 - Queues and Stacks;");
Console.WriteLine("19 - Interfaces;");
Console.WriteLine("20 - Sorting;");
Console.WriteLine("21 - Generics;");
Console.WriteLine("22 - Binary Search Trees;");
Console.WriteLine("23 - BST-Level Order Traversal;");
day = Console.ReadLine();
switch (day)
{
case "0":
Console.WriteLine("0 - SimpleArraySum - Executing...");
SimpleArraySum.Execute();
break;
case "1":
Console.WriteLine("1 - DataTypes - Executing...");
DataTypes.Execute();
break;
case "2":
Console.WriteLine("2 - Operators - Executing...");
Operators.Execute();
break;
case "3":
Console.WriteLine("3 - Conditional - Executing...");
Conditional.Execute();
break;
case "4":
Console.WriteLine("4 - ClassVsInstance - Executing...");
ClassVsInstance.Execute();
break;
case "5":
Console.WriteLine("5 - Loops - Executing...");
Loops.Execute();
break;
case "6":
Console.WriteLine("6 - Review - Executing...");
Review.Execute();
break;
case "7":
Console.WriteLine("7 - Arrays - Executing...");
Arrays.Execute();
break;
case "8":
Console.WriteLine("8 - DictonariesMaps - Executing...");
DictionariesMaps.Execute();
break;
case "9":
Console.WriteLine("9 - Rercursion - Executing...");
Recursion.Execute();
break;
case "10":
Console.WriteLine("10 - Binary Numbers - Executing...");
BinaryNumbers.Execute();
break;
case "11":
Console.WriteLine("11 - 2D Arrays - Executing...");
_2DArrays.Execute();
break;
case "12":
Console.WriteLine("12 - Inheritance - Executing...");
Inheritance.Execute();
break;
case "13":
Console.WriteLine("13 - Abstract - Executing...");
Abstract.Execute();
break;
case "14":
Console.WriteLine("14 - Scope - Executing...");
Scope.Execute();
break;
case "15":
Console.WriteLine("15 - Linked List - Executing...");
LinkedList.Execute();
break;
case "16":
Console.WriteLine("16 - Exception - String to Integer - Executing...");
ExceptionStringToInt.Execute();
break;
case "17":
Console.WriteLine("17 - More Exceptions - Executing...");
MoreExceptions.Execute();
break;
case "18":
Console.WriteLine("18 - Queues and Stacks - Executing... ");
QueuesStacks.Execute();
break;
case "19":
Console.WriteLine("19 - Interfaces - Executing... ");
Interfaces.Execute();
break;
case "20":
Console.WriteLine("20 - Sorting - Executing... ");
Sorting.Execute();
break;
case "21":
Console.WriteLine("21 - Generics - Executing... ");
Generics.Execute();
break;
case "22":
Console.WriteLine("22 - Binary Search Trees - Executing... ");
BinarySearchTrees.Execute();
break;
case "23":
Console.WriteLine("23 - BST-Level Order Traversal - Executing... ");
BSTLevelOrderTraversal.Execute();
break;
default:
Menu();
break;
}
}
