DSA 4.java

package tc1;

import java.util.*;
import java.util.regex.*;
import java.text.*;
import java.math.*;
import java.awt.geom.*;

public class LongWordsDiv2
{
	public  boolean possible(String x,String y){// word and xyxy
		int len1=x.length();
		int len2=y.length();
		int j=0;
		//int match=0;
		for(int i=0;i<len1 && j<len2;i++){
			if(x.charAt(i)==y.charAt(j)){
				j++;
				//match++;
			}
		}
		if(j==len2){
			return true;
		}
		return false;
		
	}
		
		
	public String find(String word)
	{
		int len=word.length();
		for(char i='A';i<='Z';i++){
				for(char j='A';j<='Z';j++){
					String xyxy=Character.toString(i)+Character.toString(j)+Character.toString(i)+Character.toString(j);
						boolean flag=possible(word,xyxy);
						if(flag==true){
							return "Dislikes";

						}
				}
	}
	for(int i=0;i<len-1;i++){

		if(word.charAt(i)==word.charAt(i+1)){
			return  "Dislikes";
		}	
	}
	return "Likes";
}
	public static void main(String[] args)
	{
		long time;
		String answer;
		boolean errors = false;
		String desiredAnswer;
		
		//<%:start-tests%>
		time = System.currentTimeMillis();
		answer = new LongWordsDiv2().find("AAA");
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = "Dislikes";
		System.out.println("Your answer:");
		System.out.println("\t\"" + answer + "\"");
		System.out.println("Desired answer:");
		System.out.println("\t\"" + desiredAnswer + "\"");
		if (!answer.equals(desiredAnswer))
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new LongWordsDiv2().find("ABCBA");
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = "Likes";
		System.out.println("Your answer:");
		System.out.println("\t\"" + answer + "\"");
		System.out.println("Desired answer:");
		System.out.println("\t\"" + desiredAnswer + "\"");
		if (!answer.equals(desiredAnswer))
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new LongWordsDiv2().find("ABCBAC");
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = "Dislikes";
		System.out.println("Your answer:");
		System.out.println("\t\"" + answer + "\"");
		System.out.println("Desired answer:");
		System.out.println("\t\"" + desiredAnswer + "\"");
		if (!answer.equals(desiredAnswer))
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new LongWordsDiv2().find("TOPCODER");
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = "Likes";
		System.out.println("Your answer:");
		System.out.println("\t\"" + answer + "\"");
		System.out.println("Desired answer:");
		System.out.println("\t\"" + desiredAnswer + "\"");
		if (!answer.equals(desiredAnswer))
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new LongWordsDiv2().find("VAMOSGIMNASIA");
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = "Dislikes";
		System.out.println("Your answer:");
		System.out.println("\t\"" + answer + "\"");
		System.out.println("Desired answer:");
		System.out.println("\t\"" + desiredAnswer + "\"");
		if (!answer.equals(desiredAnswer))
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new LongWordsDiv2().find("SINGLEROUNDMATCH");
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = "Likes";
		System.out.println("Your answer:");
		System.out.println("\t\"" + answer + "\"");
		System.out.println("Desired answer:");
		System.out.println("\t\"" + desiredAnswer + "\"");
		if (!answer.equals(desiredAnswer))
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new LongWordsDiv2().find("DALELOBO");
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = "Likes";
		System.out.println("Your answer:");
		System.out.println("\t\"" + answer + "\"");
		System.out.println("Desired answer:");
		System.out.println("\t\"" + desiredAnswer + "\"");
		if (!answer.equals(desiredAnswer))
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		
		if (errors)
			System.out.println("Some of the test cases had errors :-(");
		else
			System.out.println("You're a stud (at least on the test data)! :-D ");
	}

}