static void Main(string[] args)
{
string[] expressions = new string[]
{
"1+2",
"3+4*5+6",
"(1+2)*(3+4)",
"(1-2/3)*(4/5-6)"
};
InfixToPostfix infixToPostfix = new InfixToPostfix();
InfixToPrefix infixToPrefix = new InfixToPrefix();
PrefixToPostfix prefixToPostfix = new PrefixToPostfix();
PostfixToPrefix postfixToPrefix = new PostfixToPrefix();
PrefixToInfix prefixToInfix = new PrefixToInfix();
PostfixToInfix postfixToInfix = new PostfixToInfix();
foreach (var expression in expressions)
{
Console.WriteLine(expression);
var prefix = infixToPrefix.Convert(expression);
var postfix = infixToPostfix.Convert(expression);
Console.WriteLine(prefixToInfix.Convert(prefix));
Console.WriteLine(postfixToInfix.Convert(postfix));
Console.WriteLine(prefix);
Console.WriteLine(postfixToPrefix.Convert(postfix));
Console.WriteLine(postfix);
Console.WriteLine(prefixToPostfix.Convert(prefix));
Console.WriteLine();
}
Console.ReadKey();
}
public void DisplayStack()
{
Console.WriteLine("Select Question[1-12]");
int choice = int.Parse(Console.ReadLine());
switch (choice)
{
#region CSharp Stack Collection
case 1:
Console.WriteLine("--------" + choice + ".CSharp Stack Collection --------");
StackCollectioninCsharp <int> sk1 = new StackCollectioninCsharp <int>();
int[] arr1 = { 10, 78, 34, 65 };
foreach (var v in arr1)
{
sk1.Push(v);
}
sk1.Print();
Console.WriteLine($"Count is :{sk1.myStack.Count}");
Console.WriteLine($"78 Is Present :{sk1.myStack.Contains(78)}");
sk1.myStack.Pop();
sk1.Print();
break;
#endregion
#region Stack using Array
case 2:
Console.WriteLine("--------" + choice + ".Stack using Array--------");
StackUsingArray sk2 = new StackUsingArray(10);
sk2.Push(10);
sk2.Push(20);
sk2.Push(30);
sk2.Push(40);
sk2.Print();
sk2.Pop();
sk2.Print();
break;
#endregion
#region Stack Using Linked List
case 3:
Console.WriteLine("--------" + choice + ".Stack Using Linked List--------");
StackUsingLinkedList <int> sk3 = new StackUsingLinkedList <int>();
int[] arr3 = { 10, 20, 30, 40 };
foreach (var v in arr3)
{
sk3.Push(v);
}
sk3.Print();
sk3.Peek();
sk3.Print();
sk3.Pop();
sk3.Print();
Console.WriteLine($"Size Of Stack: {sk3.GetSize()}");
break;
#endregion
#region Balanced Expression
case 4:
Console.WriteLine("--------" + choice + ".Balanced Expression--------");
BalancingSymbolPattern sk4 = new BalancingSymbolPattern();
Console.WriteLine($"Expression is Balanced using Stack: {sk4.CheckPattern("[{(}]", "Stack")}");
Console.WriteLine($"Expression is Balanced using Stack Adt: {sk4.CheckPattern("[{)}]", "StackADT")}");
Console.WriteLine($"Expression is Balanced using Stack: {sk4.CheckPattern("[{()}]", "Stack")}");
Console.WriteLine($"Expression is Balanced using Stack Adt: {sk4.CheckPattern("[{()}]", "StackADT")}");
break;
#endregion
#region Postfix Expression Evaluation Using Stack
case 5:
Console.WriteLine("--------" + choice + ".Postfix Expression Evaluation Using Stack--------");
PostfixImplimentationUsingStack sk5 = new PostfixImplimentationUsingStack();
Console.WriteLine($"Postfix Expression result is {sk5.EvaluatePostfixExpression("123*+5-")}");
break;
#endregion
#region Infix to Postfix
case 6:
Console.WriteLine("--------" + choice + ".Infix to Postfix--------");
InfixToPostFix sk6 = new InfixToPostFix();
string exp = "a+b*(c^d-e)^(f+g*h)-i";
//string exp ="a*b-(c+d)-e";
Console.WriteLine($"Infix {exp} of Postfix is : {sk6.ConvertInfixToPostFix(exp.Replace(" ", string.Empty))}");
break;
#endregion
#region Infix To Prefix
case 7:
Console.WriteLine("--------" + choice + ".Infix To Prefix--------");
InfixToPrefix sk7 = new InfixToPrefix();
//string exp7 = "a*b-(c+d)-e";
string exp7 = "((a/b)+c)-(d+(e*f))";
Console.WriteLine($"Infix {exp7} of Prefix is {sk7.ConvertInfixToPrefix(exp7.Replace(" ", string.Empty))}");
break;
#endregion
#region Convert Prefix and Postfix to Infix
case 8:
Console.WriteLine("--------" + choice + ".Convert Prefix and Postfix to Infix--------");
ConvertToInfix sk8 = new ConvertToInfix();
string exppre8 = "*-A/BC-/AKL";
Console.WriteLine($"Pefix {exppre8} of Infix is {sk8.ConvertPreToInfix(exppre8.Replace(" ", string.Empty))}");
string expost8 = " ab*c+";
Console.WriteLine($"Postfix {expost8} of Infix is {sk8.ConvertPostToInfix(expost8.Replace(" ", string.Empty))}");
break;
#endregion
#region Convert Post to Pre and Viceversa
case 9:
Console.WriteLine("--------" + choice + ".Convert Post to Pre and Viceversa--------");
ConvertPreToPost_PostToPre sk9 = new ConvertPreToPost_PostToPre();
string exp9 = "*-A/BC-/AKL";
Console.WriteLine(sk9.ConvertExpression(exp9.Replace(" ", string.Empty)));
break;
#endregion
#region Sort Stack using Recursion
case 10:
Console.WriteLine("--------" + choice + ".Sort Stack using Recursion--------");
string str10 = "-3 14 18 -5 30";
SortStack sk10 = new SortStack(str10);
sk10.PrintStack();
break;
#endregion
#region Get Min From Stack with O(1)
case 11:
Console.WriteLine("--------" + choice + ". Get Min From Stack with O(1)--------");
GetMinStack sk11 = new GetMinStack();
sk11.Push(2);
sk11.Push(4);
sk11.Push(6);
sk11.Push(1);
sk11.Push(5);
Console.WriteLine("Stack is 5,1,6,4,2");
Console.WriteLine($"min value in stack is {sk11.GetMin()} and top of stack is {sk11.Top()}");
sk11.Pop();
sk11.Pop();
Console.WriteLine("After 2 Pops");
Console.WriteLine($"min value in stack is {sk11.GetMin()} and top of stack is {sk11.Top()}");
break;
#endregion
#region Get MAX From Stack with O(1)
case 12:
Console.WriteLine("--------" + choice + ".Get MAX From Stack with O(1)--------");
GetMaxStack sk12 = new GetMaxStack();
sk12.Push(2);
sk12.Push(7);
sk12.Push(6);
sk12.Push(8);
sk12.Push(5);
Console.WriteLine("Stack is 5,8,6,7,2");
Console.WriteLine($"Max value in stack is {sk12.GetMax()} and top of stack is {sk12.GetTop()}");
sk12.Pop();
sk12.Pop();
Console.WriteLine("After 2 Pops");
Console.WriteLine($"Max value in stack is {sk12.GetMax()} and top of stack is {sk12.GetTop()}");
break;
#endregion
#region
case 13:
Console.WriteLine("--------" + choice + ".--------");
break;
#endregion
#region
case 14:
Console.WriteLine("--------" + choice + ".--------");
break;
#endregion
#region
case 15:
Console.WriteLine("--------" + choice + ".--------");
break;
#endregion
default:
Console.WriteLine("Oops! Inavalid Choice.");
break;
}
}