package rebelsky.arrays;

import java.io.PrintWriter;

/**
 * Some fun with grading, intended as an example of arrays.
 *
 * @author CSC152
 * @version 1.0 of October 2004
 */
public class Grading
{
	public static void main(String[] args)
	{
		PrintWriter pen = new PrintWriter(System.out, true);
		double[] grades = { 61.2, 78.0, 70.0, 50.0, 67.0, 22.3 };

		// Print out the grades.
		for (int i = 0; i < grades.length; i++)
			pen.println("Original grade " + i + ": " + grades[i]);

		// Find the largest grade
		// (a) Make an assumption about the biggest
		double biggest = grades[0];
		// (b) Look at each remaining element
		for (int i = 1; i < grades.length; i++) {
			// (i) Update our assumption if the ith grade
			// is higher (Compare the biggest so far
			// with the ith grade.)
			if (grades[i] > biggest)
				biggest = grades[i];
		}
		pen.println("The largest grade is " + biggest);
		
		// Recompute the grades (as ratio of that grade to largest grade)
		for (int i = 0; i < grades.length; i++) {
			// Set each one to previous value divided by biggest
			// And multiply by 100
			grades[i] = 100*grades[i]/biggest;
		} // for

		// Print out the new grades.
		for (int i = 0; i < grades.length; i++)
			pen.println("New grade " + i + ": " + grades[i]);

	} // main(String[])
} // class Grading