Complaints.java

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

public class Complaints
{
	public int howMany(int[] line)
	{
		int c = 0;
		
		for (int i = 1; i < line.length; i++)
		{
			for (int j = 0; j < i; j++)
			{
				if (line[j] < line[i])
				{
					c++;
				}
			}
		}
		return c;
	}
	
	public static void main(String[] args)
	{
		long time;
		int answer;
		boolean errors = false;
		int desiredAnswer;
		
		time = System.currentTimeMillis();
		answer = new Complaints().howMany(new int[]{1000,800,900,1400});
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = 4;
		System.out.println("Your answer:");
		System.out.println("\t" + answer);
		System.out.println("Desired answer:");
		System.out.println("\t" + desiredAnswer);
		if (answer != desiredAnswer)
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new Complaints().howMany(new int[]{1,2,3,4,5});
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = 10;
		System.out.println("Your answer:");
		System.out.println("\t" + answer);
		System.out.println("Desired answer:");
		System.out.println("\t" + desiredAnswer);
		if (answer != desiredAnswer)
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new Complaints().howMany(new int[]{10,9,8,7,6,5});
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = 0;
		System.out.println("Your answer:");
		System.out.println("\t" + answer);
		System.out.println("Desired answer:");
		System.out.println("\t" + desiredAnswer);
		if (answer != desiredAnswer)
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new Complaints().howMany(new int[]{0,0,0,0,4000,4000,4000,4000});
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = 16;
		System.out.println("Your answer:");
		System.out.println("\t" + answer);
		System.out.println("Desired answer:");
		System.out.println("\t" + desiredAnswer);
		if (answer != desiredAnswer)
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new Complaints().howMany(new int[]{1000,0,4000,2000});
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = 4;
		System.out.println("Your answer:");
		System.out.println("\t" + answer);
		System.out.println("Desired answer:");
		System.out.println("\t" + desiredAnswer);
		if (answer != desiredAnswer)
		{
			errors = true;
			System.out.println("DOESN'T MATCH!!!!");
		}
		else
			System.out.println("Match :-)");
		System.out.println();
		time = System.currentTimeMillis();
		answer = new Complaints().howMany(new int[]{0});
		System.out.println("Time: " + (System.currentTimeMillis()-time)/1000.0 + " seconds");
		desiredAnswer = 0;
		System.out.println("Your answer:");
		System.out.println("\t" + answer);
		System.out.println("Desired answer:");
		System.out.println("\t" + desiredAnswer);
		if (answer != 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 ");
	}
}

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