Ngano dli mogana ako code? Palihug tabang!

[intheb0x]

---

Ang problema man gud ani...kinanglan ang input sa sets naa sa universal...kung dli mao ang input kinahanglan mangayo siya ug usob....

import java.io.*;

public class ProjectMenu{
	public static void main (String[]args)throws Exception
	{
		BufferedReader input=new BufferedReader(new	InputStreamReader(System.in));
		int option,n1,n2,n3,x=0,y=0,flag,uni;
		System.out.print("\n\n\t\t\t***CS 212 PROJECT***\n");
		System.out.print("\n\n\t\t\t       Group 3\n");

		System.out.print("\t\t\t  Set of Operation\n\n");

		System.out.print("\t        Union, Intersection and Relative Complement\n\n");
		do{
		System.out.print("Enter number of elements to input in Universal:");
		uni=Integer.parseInt(input.readLine());
		}while((uni<1)||(uni>8));

		char univer[]=new char[uni];
		System.out.print("Enter elements of Universal:\n");
		for(x=0;x<uni;x++)
			{
						System.out.print("Element["+x+"] ");
						univer[x]=(char)System.in.read();
						System.in.read();
						System.in.read();
            }

		do{
		System.out.print("Enter number of elements to input in Set A: ");
		n1=Integer.parseInt(input.readLine());
		}while((n1>3)||(n1<1));
		char seta[]=new char[n1];
		System.out.print("Enter elements of Set A: \n");
		for(x=0;x<seta.length;x++)
			{
				y=0;
				do{
				System.out.print("Element: ");
				seta[x]=(char)System.in.read();
				System.in.read();
				System.in.read();
				y++;
				}while(seta[x]!=univer[y]);
			}
		do{
		System.out.print("\nEnter number of elements to input in Set B: ");
		n2=Integer.parseInt(input.readLine());
		}while((n2>3)||(n2<1));
		char setb[]=new char[n2];
		System.out.print("Enter elements of Set B: \n");
		for(x=0;x<setb.length;x++)
			{
				System.out.print("Element ["+x+"]");
				setb[x]=(char)System.in.read();
				System.in.read();
				System.in.read();

			}
		do{
			System.out.print("\nEnter number of elements to input in Set C: ");
		n3=Integer.parseInt(input.readLine());
		}while((n3>3)||(n3<1));
		char setc[]=new char[n3];
		System.out.print("Enter elements of Set B: \n");
		for(x=0;x<setc.length;x++)
			{
				System.out.print("Element ["+x+"] ");
				setc[x]=(char)System.in.read();
				System.in.read();
				System.in.read();
			}
		System.out.print("\nSet A:\t ");
		for(x=0;x<n1;x++)
			{
				System.out.print(seta[x]+" ");
			}
		System.out.print("\nSet B:\t ");
			for(x=0;x<n2;x++)
				{
					System.out.print(setb[x]+" ");
				}
		System.out.print("\nSet C:\t ");
			for(x=0;x<n3;x++)
				{
					System.out.print(setc[x]+" ");
				}
		while(true)
		{
		do{
			System.out.print("\n\n\tMenu: ");
			System.out.print("\n\t[1]Union: ");
			System.out.print("\n\t[2]Intersection: ");
			System.out.print("\n\t[3]Relative Complement: ");
			System.out.print("\nPlease Select(1,2,3): ");
			option=Integer.parseInt(input.readLine());

			if(option==1)
				union(seta,setb,setc,n1,n2,n3);
			else if(option==2)
				intersection(seta,setb,setc,n1,n2,n3);
			else if(option==3)
				relative(seta,setb,setc,n1,n2,n3);
			else
				System.out.print("invalid input");

			}while((option>4)||(option<1));
		}

	}
public static void union(char seta[], char setb[], char setc[],int n1, int n2, int n3)throws Exception
	{
		BufferedReader input=new BufferedReader(new 					InputStreamReader(System.in));
		char un1[]=new char[n1+n2];
		char un2[]=new char[n1+n3];
		char un3[]=new char[n2+n3];
		char op;
		int ch1,x,y;
		do{
		int i=0;
		System.out.print("\n\nU N I O N");
		System.out.print("\n[1]AUB");
		System.out.print("\n[2]AUC");
		System.out.print("\n[3]BUC");
		System.out.print("\nPlease select: ");
		ch1=Integer.parseInt(input.readLine());
		if(ch1==1)
			{
			System.out.print("\nUnion (AUB) = { ");
			for(x=0;x<n1;x++)
				{
				    for(y=0;y<n2;y++)
				    {
					        if(seta[x]!=setb[y])
						{
					         un1[i]=seta[x];
					        }
					        else
					        	un1[i]=seta[x];
					}
						i++;
				}


			for(x=0;x<n2;x++)
				{
				   for(y=0;y<n1;y++)
					  {
					   if(setb[x]!=seta[y])
					{
					  un1[i]=setb[x];
					 }
					else
					{
					 i--;
					 break;
					}
					}
					i++;
					}

			for(i=0;i<un1.length;i++)
			    {
			         System.out.print(un1[i]);
			     }
			System.out.print(" }");
			}
	else if(ch1==2)
		{
     		System.out.print("\nUnion (AUC) = { ");
			for(x=0;x<n1;x++)
				{
				    for(y=0;y<n3;y++)
					    {
					        if(seta[x]!=setc[y])
						{
					         un2[i]=seta[x];
					        }
					        else
					        	un2[i]=seta[x];
						}
					i++;
				}

			for(x=0;x<n3;x++)
				{
					   for(y=0;y<n1;y++)
						  {
							   if(setc[x]!=seta[y])
							{
							  un2[i]=setc[x];
						        }
							else
									{
											  i--;
											  break;
											}
									}
							i++;
							}


						for(i=0;i<un2.length;i++)
						    {
						         System.out.print(un2[i]);
						     }

System.out.print(" }");
					}
					else if(ch1==3)
						{
							System.out.print("\nUnion (BUC) = { ");
							for(x=0;x<n2;x++)
								{
								    for(y=0;y<n3;y++)
									    {
									        if(setb[x]!=setc[y])
												{
											         un3[i]=setb[x];
										        }
									        else
									        	un3[i]=setb[x];
										}
										i++;
								}


							for(x=0;x<n3;x++)
								{
								   for(y=0;y<n2;y++)
									  {
										   if(setc[x]!=setb[y])
												{
											  un3[i]=setc[x];
										        }
											else
												{
													  i--;
													  break;
												}
										}
							   	i++;
								}


							for(i=0;i<un3.length;i++)
							    {
							         System.out.print(un3[i]);
							     }
						System.out.print(" }");
					}
				else
						{
					System.out.print("Invalid input!");
						}
			System.out.print("\n\nBack to Union menu[Y\\N]?");
			op=Character.toUpperCase((char)System.in.read());
			System.in.read();
			System.in.read();
			}while(op=='Y');
			}
		public static void intersection(char seta[], char setb[], char setc[],int n1, int n2, int n3)throws Exception
			{
				BufferedReader input=new BufferedReader(new InputStreamReader(System.in));
				char op;
				int ch1=0, x, y;
				do{
				System.out.print("\n\nI N T E R S E C T I O N");
				System.out.print("\n[1]AB");
				System.out.print("\n[2]AC");
				System.out.print("\n[3]BC");
				System.out.print("\nPlease select: ");
				ch1=Integer.parseInt(input.readLine());
				switch(ch1){
					case 1:
						System.out.print("\n\nIntersection (AB) =\t{ ");
						for(x=0;x<n1;x++)
							{
								for(y=0;y<n2;y++)
									{
										if(seta[x]==setb[y])
										System.out.print(seta[x]+" ");
									else
										continue;
									}
							}
						System.out.print(" }");
					break;
					case 2:
						System.out.print("\n\nIntersection (AC) =\t{ ");
						for(x=0;x<n1;x++)
							{
								for(y=0;y<n3;y++)
									{
										if(seta[x]==setc[y])
											System.out.print(seta[x]+" ");
										else
											continue;
									}
							}
						System.out.print(" }");
					break;
					case 3:
					System.out.print("\n\nIntersection (BC) =\t{ ");
						for(x=0;x<n2;x++)
							{
								for(y=0;y<n3;y++)
									{
										if(setb[x]==setc[y])
											System.out.print(setb[x]+" ");
										else
											continue;
									}
							}
						System.out.print(" }");
					break;
					default:
						System.out.print("Invalid input");
											break;
					}
			System.out.print("\n\nBack to Intersection menu[Y\\N]?");
			op=Character.toUpperCase((char)System.in.read());
			System.in.read();
			System.in.read();
				}while((op=='y')||(op=='Y'));

			}

		public static void relative(char seta[], char setb[], char setc[],int n1, int n2, int n3)throws Exception
			{
				BufferedReader input=new BufferedReader(new InputStreamReader(System.in));

				char op;
				int ch1, x, y;
				do{
				ch1=0;
				System.out.print("\n\nR E L A T I V E");
				System.out.print("\n\n[1]A-B");
				System.out.print("\n[2]A-C");
				System.out.print("\n[3]B-C");
				System.out.print("\n[4]B-A");
				System.out.print("\n[5]C-A");
				System.out.print("\n[6]C-B");
				System.out.print("\nPlease select: ");
				ch1=Integer.parseInt(input.readLine());
				switch(ch1){
					case 1:
							System.out.print("\nRelative(A-B) = { ");
							for(x=0;x<n1;x++)
								{
									for(y=n2-1;y>=0;y--)
										{
										if(seta[x]==setb[y])
											{
											x=x+1;
											y=n2-1;
											}
										}
									if(x<n1)
								System.out.print(seta[x]);
								}
							System.out.print(" }");
					break;
					case 2:
							System.out.print("\nRelative(A-C) = \t{ ");
							for(x=0;x<n1;x++)
								{
									for(y=n3-1;y>=0;y--)
										{
										if(seta[x]==setc[y])
											{
											x=x+1;
											y=n3-1;
											}
										}
								if(x<n1)
								System.out.print(seta[x]);

								}
							System.out.print(" }");
					break;
					case 3:
							System.out.print("\nRelative(B-C) = \t{ ");
							for(x=0;x<n2;x++)
								{
									for(y=n3-1;y>=0;y--)
										{
										if(setb[x]==setc[y])
											{
											x=x+1;
											y=n3-1;
											}
										}
								if(x<n2)
								System.out.print(setb[x]);
								}
							System.out.print(" }");
					break;
					case 4:
							System.out.print("\nRelative(B-A) = \t{ ");
							for(x=0;x<n2;x++)
								{
									for(y=n1-1;y>=0;y--)
										{
										if(setb[x]==seta[y])
											{
											x=x+1;
											y=n1-1;
											}
										}
								if(x<n2)
								System.out.print(setb[x]);
								}
							System.out.print(" }");
					break;
					case 5:
							System.out.print("\nRelative(C-A) = \t{ ");
							for(x=0;x<n3;x++)
								{
									for(y=n1-1 ;y>=0;y--)
										{
										if(setc[x]==seta[y])
											{
											x=x+1;
											y=n1-1;
											}
										}
								if(x<n3)
								System.out.print(setc[x]);
								}
							System.out.print(" }");
					break;
					case 6:
							System.out.print("\nRelative(C-B) = \t{ ");
							for(x=0;x<n3;x++)
								{
									for(y=n2-1 ;y>=0;y--)
										{
										if(setc[x]==setb[y])
											{
											x=x+1;
											y=n2-1;
											}
										}
							if(x<n3)
								System.out.print(setc[x]);
								}
							System.out.print(" }");
					break;

				default:
					System.out.print("Invalid input!");
					break;
				}
			System.out.print("\n\nBack to Relative menu[Y\\N]?");
			op=Character.toUpperCase((char)System.in.read());
			System.in.read();
			System.in.read();
				}while((op=='y')||(op=='Y'));
			}
	}

[_hizuka_]

unsa raman ang error bai?

[owrange]

sige man gud ka istorya. hehe. jowk.

[darkhero]

sulbad na ni?

[darkhero]

kung wa pa gani ni ma-solve palihug lang ko check ani bro... dinalian ni nga fix.. daghan pa kulang sa code... for example, error-handling kay prone to errors ang user input. unya kinghanlan pa i-optimize ang algorithm nga gipanggamit kay daghan redundant steps.

import java.io.*;

public class ProjectMenu
{
	public static void main(String[]args) throws Exception
	{
		BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
		int option, n1, n2, n3, x = 0, y = 0, flag, uni;
		System.out.print("\n\n\t\t\t***CS 212 PROJECT***\n");
		System.out.print("\n\n\t\t\t       Group 3\n");
		System.out.print("\t\t\t  Set of Operation\n\n");
		System.out.print("\t        Union, Intersection and Relative Complement\n\n");

		do
		{
			System.out.print("Enter number of elements to input in Universal:");
			uni = Integer.parseInt(input.readLine());
		}
		while((uni < 1) ||(uni > 8));

		char univer[] = new char[uni];
		System.out.print("Enter elements of Universal:\n");

		for(x = 0; x < uni; x++)
		{
			System.out.print("Element[" + x + "] ");
			univer[x] = (char) input.read();

			while(input.read() == -1);
		}

		do
		{
			System.out.print("Enter number of elements to input in Set A: ");
			n1 = Integer.parseInt(input.readLine());
		}
		while((n1 > 3) ||(n1 < 1));

		char seta[] = new char[n1];
		System.out.println("Enter elements of Set A:");

		for(x = 0; x < seta.length; x++)
		{
			boolean e = false;

			while (!e)
			{
				System.out.print("Element: ");
				seta[x] = (char) input.read();

				while(input.read() == -1);

				for(y = 0; y < univer.length; y++)
				{
					if (univer[y] == seta[x])
					{
						e = true;
						break;
					}
				}

				if (!e)
				{
					System.out.println("Element does not exist in the Universal Set.");
				}
			}
		}

		do
		{
			System.out.print("\nEnter number of elements to input in Set B: ");
			n2 = Integer.parseInt(input.readLine());
		}
		while((n2 > 3) || (n2 < 1));

		char setb[] = new char[n2];
		System.out.println("Enter elements of Set B:");

		for(x = 0; x < setb.length; x++)
		{
			boolean e = false;

			while (!e)
			{
				System.out.print("Element: ");
				setb[x] = (char) input.read();

				while(input.read() == -1);

				for(y = 0; y < univer.length; y++)
				{
					if (univer[y] == setb[x])
					{
						e = true;
						break;
					}
				}

				if (!e)
				{
					System.out.println("Element does not exist in the Universal Set.");
				}
			}
		}

		do
		{
			System.out.print("\nEnter number of elements to input in Set C: ");
			n3 = Integer.parseInt(input.readLine());
		}
		while((n3 > 3) || (n3 < 1));

		char setc[] = new char[n3];
		System.out.print("Enter elements of Set C: \n");

		for(x = 0; x < setc.length; x++)
		{
			boolean e = false;

			while (!e)
			{
				System.out.print("Element: ");
				setc[x] = (char) input.read();

				while(input.read() == -1);

				for(y = 0; y < univer.length; y++)
				{
					if (univer[y] == setc[x])
					{
						e = true;
						break;
					}
				}

				if (!e)
				{
					System.out.println("Element does not exist in the Universal Set.");
				}
			}
		}

		System.out.print("\nSet A:\t ");

		for(x = 0; x < n1; x++)
		{
			System.out.print(seta[x] + " ");
		}

		System.out.print("\nSet B:\t ");

		for(x = 0; x < n2; x++)
		{
			System.out.print(setb[x] + " ");
		}

		System.out.print("\nSet C:\t ");

		for(x = 0; x < n3; x++)
		{
			System.out.print(setc[x] + " ");
		}

		while(true)
		{
			do
			{
				System.out.print("\n\n\tMenu: ");
				System.out.print("\n\t[1]Union: ");
				System.out.print("\n\t[2]Intersection: ");
				System.out.print("\n\t[3]Relative Complement: ");
				System.out.print("\nPlease Select(1,2,3): ");
				option = Integer.parseInt(input.readLine());

				if(option == 1)
					union(seta, setb, setc, n1, n2, n3);
				else if(option == 2)
					intersection(seta, setb, setc, n1, n2, n3);
				else if(option == 3)
					relative(seta, setb, setc, n1, n2, n3);
				else
					System.out.print("invalid input");
			}
			while((option > 4) || (option < 1));
		}
	}


	public static void union(char seta[], char setb[], char setc[], int n1,
	                          int n2, int n3) throws Exception
	{
		BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
		char un1[] = new char[n1 + n2];
		char un2[] = new char[n1 + n3];
		char un3[] = new char[n2 + n3];
		char op;
		int ch1, x, y;

		do
		{
			int i = 0;
			System.out.print("\n\nU N I O N");
			System.out.print("\n[1]AUB");
			System.out.print("\n[2]AUC");
			System.out.print("\n[3]BUC");
			System.out.print("\nPlease select: ");
			ch1 = Integer.parseInt(input.readLine());

			if(ch1 == 1)
			{
				System.out.print("\nUnion(AUB) = { ");

				for(x = 0; x < n1; x++)
				{
					for(y = 0; y < n2; y++)
					{
						if(seta[x] != setb[y])
						{
							un1[i] = seta[x];
						}
						else
							un1[i] = seta[x];
					}

					i++;
				}

				for(x = 0; x < n2; x++)
				{
					for(y = 0; y < n1; y++)
					{
						if(setb[x] != seta[y])
						{
							un1[i] = setb[x];
						}
						else
						{
							i--;
							break;
						}
					}

					i++;
				}

				for(i = 0; i < un1.length; i++)
				{
					System.out.print(un1[i]);
				}

				System.out.print(" }");
			}
			else if(ch1 == 2)
			{
				System.out.print("\nUnion(AUC) = { ");

				for(x = 0; x < n1; x++)
				{
					for(y = 0; y < n3; y++)
					{
						if(seta[x] != setc[y])
						{
							un2[i] = seta[x];
						}
						else
							un2[i] = seta[x];
					}

					i++;
				}

				for(x = 0; x < n3; x++)
				{
					for(y = 0; y < n1; y++)
					{
						if(setc[x] != seta[y])
						{
							un2[i] = setc[x];
						}
						else
						{
							i--;
							break;
						}
					}

					i++;
				}

				for(i = 0; i < un2.length; i++)
				{
					System.out.print(un2[i]);
				}

				System.out.print(" }");
			}
			else if(ch1 == 3)
			{
				System.out.print("\nUnion(BUC) = { ");

				for(x = 0; x < n2; x++)
				{
					for(y = 0; y < n3; y++)
					{
						if(setb[x] != setc[y])
						{
							un3[i] = setb[x];
						}
						else
							un3[i] = setb[x];
					}

					i++;
				}

				for(x = 0; x < n3; x++)
				{
					for(y = 0; y < n2; y++)
					{
						if(setc[x] != setb[y])
						{
							un3[i] = setc[x];
						}
						else
						{
							i--;
							break;
						}
					}

					i++;
				}

				for(i = 0; i < un3.length; i++)
				{
					System.out.print(un3[i]);
				}

				System.out.print(" }");
			}
			else
			{
				System.out.print("Invalid input!");
			}

			System.out.print("\n\nBack to Union menu[Y\\N]?");
			op = Character.toUpperCase((char) input.read());
			while(input.read() == -1);
		}
		while(op == 'Y');
	}


	public static void intersection(char seta[], char setb[], char setc[],
	                                 int n1, int n2, int n3) throws Exception
	{
		BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
		char op;
		int ch1 = 0, x, y;

		do
		{
			System.out.print("\n\nI N T E R S E C T I O N");
			System.out.print("\n[1]AB");
			System.out.print("\n[2]AC");
			System.out.print("\n[3]BC");
			System.out.print("\nPlease select: ");
			ch1 = Integer.parseInt(input.readLine());

			switch(ch1)
			{
			case 1:
				System.out.print("\n\nIntersection(AB) =\t{ ");

				for(x = 0; x < n1; x++)
				{
					for(y = 0; y < n2; y++)
					{
						if(seta[x] == setb[y])
							System.out.print(seta[x] + " ");
						else
							continue;
					}
				}

				System.out.print(" }");
				break;
			case 2:
				System.out.print("\n\nIntersection(AC) =\t{ ");

				for(x = 0; x < n1; x++)
				{
					for(y = 0; y < n3; y++)
					{
						if(seta[x] == setc[y])
							System.out.print(seta[x] + " ");
						else
							continue;
					}
				}

				System.out.print(" }");
				break;
			case 3:
				System.out.print("\n\nIntersection(BC) =\t{ ");

				for(x = 0; x < n2; x++)
				{
					for(y = 0; y < n3; y++)
					{
						if(setb[x] == setc[y])
							System.out.print(setb[x] + " ");
						else
							continue;
					}
				}

				System.out.print(" }");
				break;
			default:
				System.out.print("Invalid input");
				break;
			}

			System.out.print("\n\nBack to Intersection menu[Y\\N]?");
			op = Character.toUpperCase((char) input.read());
			while(input.read() == -1);
		}
		while((op == 'y') ||(op == 'Y'));
	}


	public static void relative(char seta[], char setb[], char setc[], int n1, int n2, int n3) throws Exception
	{
		BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
		char op;
		int ch1, x, y;

		do
		{
			ch1 = 0;
			System.out.print("\n\nR E L A T I V E");
			System.out.print("\n\n[1]A-B");
			System.out.print("\n[2]A-C");
			System.out.print("\n[3]B-C");
			System.out.print("\n[4]B-A");
			System.out.print("\n[5]C-A");
			System.out.print("\n[6]C-B");
			System.out.print("\nPlease select: ");
			ch1 = Integer.parseInt(input.readLine());

			switch(ch1)
			{
			case 1:
				System.out.print("\nRelative(A-B) = { ");

				for(x = 0; x < n1; x++)
				{
					for(y = n2 - 1; y >= 0; y--)
					{
						if(seta[x] == setb[y])
						{
							x = x + 1;
							y = n2 - 1;
						}
					}

					if(x < n1)
						System.out.print(seta[x]);
				}

				System.out.print(" }");
				break;
			case 2:
				System.out.print("\nRelative(A-C) = \t{ ");

				for(x = 0; x < n1; x++)
				{
					for(y = n3 - 1; y >= 0; y--)
					{
						if(seta[x] == setc[y])
						{
							x = x + 1;
							y = n3 - 1;
						}
					}

					if(x < n1)
						System.out.print(seta[x]);
				}

				System.out.print(" }");
				break;
			case 3:
				System.out.print("\nRelative(B-C) = \t{ ");

				for(x = 0; x < n2; x++)
				{
					for(y = n3 - 1; y >= 0; y--)
					{
						if(setb[x] == setc[y])
						{
							x = x + 1;
							y = n3 - 1;
						}
					}

					if(x < n2)
						System.out.print(setb[x]);
				}

				System.out.print(" }");
				break;
			case 4:
				System.out.print("\nRelative(B-A) = \t{ ");

				for(x = 0; x < n2; x++)
				{
					for(y = n1 - 1; y >= 0; y--)
					{
						if(setb[x] == seta[y])
						{
							x = x + 1;
							y = n1 - 1;
						}
					}

					if(x < n2)
						System.out.print(setb[x]);
				}

				System.out.print(" }");
				break;
			case 5:
				System.out.print("\nRelative(C-A) = \t{ ");

				for(x = 0; x < n3; x++)
				{
					for(y = n1 - 1; y >= 0; y--)
					{
						if(setc[x] == seta[y])
						{
							x = x + 1;
							y = n1 - 1;
						}
					}

					if(x < n3)
						System.out.print(setc[x]);
				}

				System.out.print(" }");
				break;
			case 6:
				System.out.print("\nRelative(C-B) = \t{ ");

				for(x = 0; x < n3; x++)
				{
					for(y = n2 - 1; y >= 0; y--)
					{
						if(setc[x] == setb[y])
						{
							x = x + 1;
							y = n2 - 1;
						}
					}

					if(x < n3)
						System.out.print(setc[x]);
				}

				System.out.print(" }");
				break;
			default:
				System.out.print("Invalid input!");
				break;
			}

			System.out.print("\n\nBack to Relative menu[Y\\N]?");
			op = Character.toUpperCase((char) input.read());

			while(input.read() == -1);
		}
		while((op == 'y') || (op == 'Y'));
	}
}

wa na lang pud nko gi-check ang algorithm para sa set ops kay i know kabalo na mo unsaon na. anyway, sulti lang kung kinghanlan ug additional fix.