import java.util.Scanner;

public class FIFO {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc=new Scanner(System.in);
		
		System.out.print("Enter no of Frames: ");
		int n=sc.nextInt();
		
		System.out.print("Enter number of Pages: ");
		int m=sc.nextInt();
		
		int[]ref=new int[m];
				
		System.out.print("Enter String: ");
		for(int i=0;i<m;i++) {
			ref[i]=sc.nextInt();
		}
		
		int[]buffer=new int[n];
		for(int i=0;i<n;i++) {
		buffer[i]=-1;
		}
		
		
		int[][]memlayout=new int[n][m];
		char[]mark=new char[m];
		int hit=0;
		int fault=0;
		int pointer=0;
		
		
		for(int i=0;i<m;i++) {
			int search=-1;
			
			for(int j=0;j<n;j++) {
				if (buffer[j]==ref[i]) {
					hit++;
					search=j;
					mark[i]='#';
					break;
					
				}
				
			}
			
			
			if(search==-1) {
				buffer[pointer]=ref[i];
				fault++;
				mark[i]='*';
				pointer++;
				if(pointer==n) {
					pointer=0;
				}
			}
				
				
				for(int j=0;j<n;j++) {
					memlayout[j][i]=buffer[j];
					
				}
			}
			
			System.out.print("\\nREFERENCE STRING: ");
			System.out.println();
			for (int i = 0; i < m; i++) {
	            System.out.print(ref[i] + "\\t");
			
		}System.out.println();
		
		
		System.out.println("Memory Layout:");
        for (int frame = 0; frame < n; frame++)
         {   
            for (int string = 0; string < m; string++)
             {  
                if (memlayout[frame][string] == -1) 
                {
                    System.out.print(" \\t");      
                } 
                else
                {
                    System.out.print(memlayout[frame][string] + "\\t");
                }
            }
            System.out.println();
        }
        
        
        System.out.print("Marks: ");
        System.out.println();
        for (int i = 0; i < m; i++) {
            System.out.print(mark[i] + "\\t");
        }
        System.out.println();

        
        System.out.println("Total Page Faults = " + fault);
        System.out.println("Total Hits = " + hit);

        sc.close();
		
		

	}
}