C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

    public class Program
    {
        public static void Main(string[] args)
        {
            string inputFrames;
            int frames;

            string inputPages;
            int pages;

           	string requestedPagesInput;
            string[] pageRequested = new string[0];
            string[] frameNumbers = new string[0];
			
			int pageFaults = 0;
            int pageHits = 0;
            int request = 0;
            int less = 3;

        InputFramesError:
            Console.Clear();
            Console.WriteLine("M4: FL- ACT2 - LRU");
            Console.WriteLine("Baranda, Regine V.");
            Console.WriteLine();
            Console.Write("Enter No. of Frames: ");
            inputFrames = Console.ReadLine();

            if (Int32.TryParse(inputFrames, out frames) == true)
            {
                if (frames > 0)
                {
                InputPagesError:
                    Console.Clear();
                    Console.WriteLine("M4: FL- ACT2 - LRU");
                    Console.WriteLine("Baranda, Regine V.");
                    Console.WriteLine();
                    Console.WriteLine("No. of Frames: {0}", frames);
                    Console.Write("Enter No. of Pages: ");
                    inputPages = Console.ReadLine();

                    if (Int32.TryParse(inputPages, out pages) == true)
                    {
                        if (pages > 0)
                        {
                            pageRequested = new string[pages];
                            for (int i = 0; i < pages; i++)
                            {
                            //InputRequestedPagesError:
                                Console.Clear();
                                Console.WriteLine("M4: FL- ACT2 - LRU");
                                Console.WriteLine("Baranda, Regine V.");
                                Console.WriteLine();
                                Console.WriteLine("No. of Frames: {0} ", frames);
                                Console.WriteLine("No. of Pages: {0} ", pages);
                                Console.Write("Enter No. of Requested Pages ({0}/{1}): ", i + 1, pages);
                                requestedPagesInput = Console.ReadLine();
                                pageRequested[i] = requestedPagesInput;
                            }
                        }
                        else
                        {
                            Console.WriteLine();
                            Console.WriteLine("ntive and zero values are not allowed. Please enter a valid input.");
                            Console.WriteLine("Press enter key to continue...");
                            Console.ReadLine();
                            goto InputPagesError;
                        }
                    }
                    else
                    {
                        Console.WriteLine();
                        Console.WriteLine("Please enter a numeric value only.");
                        Console.WriteLine("Press enter key to continue...");
                        Console.ReadLine();
                        goto InputPagesError;
                    }
                }
                else
                {
                    Console.WriteLine();
                    Console.WriteLine("ntive and zero values are not allowed. Please enter a valid input.");
                    Console.WriteLine("Press enter key to continue...");
                    Console.ReadLine();
                    goto InputFramesError;

                }
            }
            else
            {
                Console.WriteLine();
                Console.WriteLine("Please enter a numeric value only.");
                Console.WriteLine("Press enter key to continue...");
                Console.ReadLine();
                goto InputFramesError;
            }
            Console.WriteLine();
            Console.WriteLine("------------------------------------------------------");
            Console.Write("       |");
            for (int i = 0; i < frames; i++)
            {

                Console.Write("Frame{0}" + "   ", i + 1);
            }
            Console.WriteLine("  PageFault");
            Console.WriteLine();
            Console.WriteLine();
            frameNumbers = new string[frames];

            for (int i = 0; i < frameNumbers.Length; i++)
            {
                frameNumbers[i] = "-1";
            }

            //
           

            string[] sameValue = new string[3];

            bool n = true;
            bool equal = false;
 
            bool sign = false;
            while (request < pageRequested.Length)
            {
                for (int i = 0; i < frameNumbers.Length; i++)
                {

                    for (int j = 0; j < frameNumbers.Length; j++)
                    {
                        if (frameNumbers[j] == "-1")
                        {
                            n = true;
                        }
                        else
                        {
                            n = false;
                        }
                    }
                    if (n == true)
                    {
                        for (int k = 0; k < frameNumbers.Length; k++)
                        {
                            if (frameNumbers[k] == pageRequested[request])
                            {
                                pageHits++;
                                equal = true;
                                break;
                            }
                        }
                        if (equal == false)
                        {
                            if (frameNumbers[i] == "-1")
                            {
                                frameNumbers[i] = pageRequested[request];
                                pageFaults++;
                                sign = true;
                                break;
                            }
                        }
                        equal = false;
                    }
                    else
                    {
                        break;
                    }

                }
                if (request >= 3)
                {
                    sameValue[0] = pageRequested[request - 3];
                    sameValue[1] = pageRequested[request - 2];
                    sameValue[2] = pageRequested[request - 1];

                    for (int i = 0; i < sameValue.Length; i++)
                    {

                        for (int j = 0; j < sameValue.Length; j++)
                        {
                            if (i != j)
                            {
                                if (sameValue[i] == sameValue[j])
                                {
                                    less++;
                                }
                                break;
                            }
                            else
                            {
                                continue;
                            }
                        }
                    }
                    for (int i = 0; i < frameNumbers.Length; i++)
                    {
                        if (request < pageRequested.Length - 1)
                        {
                            for (int j = 0; j < frameNumbers.Length; j++)
                            {
                                if (frameNumbers[j] == pageRequested[request])
                                {
                                    pageHits++;
                                    equal = true;
                                    break;
                                }
                            }
                            if (equal == false)
                            {
                                if (frameNumbers[i] == pageRequested[request - less])
                                {
                                    frameNumbers[i] = pageRequested[request];
                                    pageFaults++;
                                    sign = true;
                                    break;
                                }
                            }
                            else
                            {
                                break;
                            }
                        }
                        else
                        {
                            if (frameNumbers[i] == pageRequested[request - less])
                            {
                                frameNumbers[i] = pageRequested[request];
                                pageFaults++;
                                sign = true;
                                break;
                            }
                        }
                    }
                    equal = false;
                }

                Console.Write("{0} ====  |", pageRequested[request]);
                foreach (var values in frameNumbers)
                {
                    if (values != "-1")
                    {
                        Console.Write(values + "         ");
                    }
                    else
                    {
                        Console.Write(" " + "         ");

                    }
                }
                if (sign == true)
                {
                    Console.WriteLine("*");
                }
                Console.WriteLine();
                Console.WriteLine();
                request++;
                sign = false;
                less = 3;

            }
           	Console.WriteLine("------------------------------------------------------");
            Console.WriteLine("No. of Page Faults = {0}", pageFaults);
            Console.WriteLine("No. of Page Hits = {0}", pageHits);

     }
}

​x
 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
​
    public class Program
    {
        public static void Main(string[] args)
        {
            string inputFrames;
            int frames;
​
            string inputPages;
            int pages;
​
            string requestedPagesInput;
            string[] pageRequested = new string[0];
            string[] frameNumbers = new string[0];
            
            int pageFaults = 0;
            int pageHits = 0;
            int request = 0;
            int less = 3;
​
        InputFramesError:
            Console.Clear();
            Console.WriteLine("M4: FL- ACT2 - LRU");
            Console.WriteLine("Baranda, Regine V.");
            Console.WriteLine();
            Console.Write("Enter No. of Frames: ");
            inputFrames = Console.ReadLine();
​
            if (Int32.TryParse(inputFrames, out frames) == true)
            {
                if (frames > 0)
                {
                InputPagesError:
                    Console.Clear();
                    Console.WriteLine("M4: FL- ACT2 - LRU");
                    Console.WriteLine("Baranda, Regine V.");
                    Console.WriteLine();
                    Console.WriteLine("No. of Frames: {0}", frames);
                    Console.Write("Enter No. of Pages: ");
                    inputPages = Console.ReadLine();
​
                    if (Int32.TryParse(inputPages, out pages) == true)
                    {
                        if (pages > 0)
                        {
                            pageRequested = new string[pages];
                            for (int i = 0; i < pages; i++)
                            {
                            //InputRequestedPagesError:
                                Console.Clear();
                                Console.WriteLine("M4: FL- ACT2 - LRU");
                                Console.WriteLine("Baranda, Regine V.");
                                Console.WriteLine();
                                Console.WriteLine("No. of Frames: {0} ", frames);
                                Console.WriteLine("No. of Pages: {0} ", pages);
                                Console.Write("Enter No. of Requested Pages ({0}/{1}): ", i + 1, pages);
                                requestedPagesInput = Console.ReadLine();
                                pageRequested[i] = requestedPagesInput;
                            }
                        }
                        else
                        {
                            Console.WriteLine();
                            Console.WriteLine("ntive and zero values are not allowed. Please enter a valid input.");
                            Console.WriteLine("Press enter key to continue...");
                            Console.ReadLine();
                            goto InputPagesError;
                        }
                    }
                    else
                    {
                        Console.WriteLine();
                        Console.WriteLine("Please enter a numeric value only.");
                        Console.WriteLine("Press enter key to continue...");
                        Console.ReadLine();
                        goto InputPagesError;
                    }
                }
                else
                {
                    Console.WriteLine();
                    Console.WriteLine("ntive and zero values are not allowed. Please enter a valid input.");
                    Console.WriteLine("Press enter key to continue...");
                    Console.ReadLine();
                    goto InputFramesError;
​
                }
            }
            else
            {
                Console.WriteLine();
                Console.WriteLine("Please enter a numeric value only.");
                Console.WriteLine("Press enter key to continue...");
                Console.ReadLine();
                goto InputFramesError;
            }
            Console.WriteLine();
            Console.WriteLine("------------------------------------------------------");
            Console.Write("       |");
            for (int i = 0; i < frames; i++)
            {
​
                Console.Write("Frame{0}" + "   ", i + 1);
            }
            Console.WriteLine("  PageFault");
            Console.WriteLine();
            Console.WriteLine();
            frameNumbers = new string[frames];
​
            for (int i = 0; i < frameNumbers.Length; i++)
            {
                frameNumbers[i] = "-1";
            }
​
            //
           
​
            string[] sameValue = new string[3];
​
            bool n = true;
            bool equal = false;
 
            bool sign = false;
            while (request < pageRequested.Length)
            {
                for (int i = 0; i < frameNumbers.Length; i++)
                {
​
                    for (int j = 0; j < frameNumbers.Length; j++)
                    {
                        if (frameNumbers[j] == "-1")
                        {
                            n = true;
                        }
                        else
                        {
                            n = false;
                        }
                    }
                    if (n == true)
                    {
                        for (int k = 0; k < frameNumbers.Length; k++)
                        {
                            if (frameNumbers[k] == pageRequested[request])
                            {
                                pageHits++;
                                equal = true;
                                break;
                            }
                        }
                        if (equal == false)
                        {
                            if (frameNumbers[i] == "-1")
                            {
                                frameNumbers[i] = pageRequested[request];
                                pageFaults++;
                                sign = true;
                                break;
                            }
                        }
                        equal = false;
                    }
                    else
                    {
                        break;
                    }
​
                }
                if (request >= 3)
                {
                    sameValue[0] = pageRequested[request - 3];
                    sameValue[1] = pageRequested[request - 2];
                    sameValue[2] = pageRequested[request - 1];
​
                    for (int i = 0; i < sameValue.Length; i++)
                    {
​
                        for (int j = 0; j < sameValue.Length; j++)
                        {
                            if (i != j)
                            {
                                if (sameValue[i] == sameValue[j])
                                {
                                    less++;
                                }
                                break;
                            }
                            else
                            {
                                continue;
                            }
                        }
                    }
                    for (int i = 0; i < frameNumbers.Length; i++)
                    {
                        if (request < pageRequested.Length - 1)
                        {
                            for (int j = 0; j < frameNumbers.Length; j++)
                            {
                                if (frameNumbers[j] == pageRequested[request])
                                {
                                    pageHits++;
                                    equal = true;
                                    break;
                                }
                            }
                            if (equal == false)
                            {
                                if (frameNumbers[i] == pageRequested[request - less])
                                {
                                    frameNumbers[i] = pageRequested[request];
                                    pageFaults++;
                                    sign = true;
                                    break;
                                }
                            }
                            else
                            {
                                break;
                            }
                        }
                        else
                        {
                            if (frameNumbers[i] == pageRequested[request - less])
                            {
                                frameNumbers[i] = pageRequested[request];
                                pageFaults++;
                                sign = true;
                                break;
                            }
                        }
                    }
                    equal = false;
                }
​
                Console.Write("{0} ====  |", pageRequested[request]);
                foreach (var values in frameNumbers)
                {
                    if (values != "-1")
                    {
                        Console.Write(values + "         ");
                    }
                    else
                    {
                        Console.Write(" " + "         ");
​
                    }
                }
                if (sign == true)
                {
                    Console.WriteLine("*");
                }
                Console.WriteLine();
                Console.WriteLine();
                request++;
                sign = false;
                less = 3;
​
            }
            Console.WriteLine("------------------------------------------------------");
            Console.WriteLine("No. of Page Faults = {0}", pageFaults);
            Console.WriteLine("No. of Page Hits = {0}", pageHits);
​
     }
}
​

M4: FL- ACT2 - LRU
Baranda, Regine V.

Enter No. of Frames:

Cached Result
Last Run:	5:46:08 pm
Compile:	0.125s
Execute:	0s
Memory:	32kb
CPU:	0.031s

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