ThirtyOne.java

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

public class ThirtyOne
{
	double getPoint(String cards) {
		int point = 0;
		String[] split = cards.split(" ");
		if (split[0].equals(split[1]) && split[0].equals(split[2])) {
			return 30.5;
		}
		for (String c : split) {
			if (c.equals("10") || c.equals("J") || c.equals("Q") || c.equals("K")) {
				point += 10;
			} else if (c.equals("A")) {
				point += 11;
			} else {
				point += Integer.valueOf(c);
			}
		}
		if (point > 31) {
			point -= 10;
		}
		return point;
	}

	public int findWinner(String[] hands)
	{
		double max = 0;
		int p = 0;
		for (int i = 0; i < hands.length; i++) {
			String string = hands[i];
			double point = getPoint(string);
			if (max < point) {
				max = point;
				p = i;
			}
		}
		return p;
	}

	// BEGIN KAWIGIEDIT TESTING
	// Generated by KawigiEdit-pfx 2.1.9
	private static boolean KawigiEdit_RunTest(int testNum, String[] p0, boolean hasAnswer, int p1) {
		System.out.print("Test " + testNum + ": [" + "{");
		for (int i = 0; p0.length > i; ++i) {
			if (i > 0) {
				System.out.print(",");
			}
			System.out.print("\"" + p0[i] + "\"");
		}
		System.out.print("}");
		System.out.println("]");
		ThirtyOne obj;
		int answer;
		obj = new ThirtyOne();
		long startTime = System.currentTimeMillis();
		answer = obj.findWinner(p0);
		long endTime = System.currentTimeMillis();
		boolean res;
		res = true;
		System.out.println("Time: " + (endTime - startTime) / 1000.0 + " seconds");
		if (hasAnswer) {
			System.out.println("Desired answer:");
			System.out.println("\t" + p1);
		}
		System.out.println("Your answer:");
		System.out.println("\t" + answer);
		if (hasAnswer) {
			res = answer == p1;
		}
		if (!res) {
			System.out.println("DOESN'T MATCH!!!!");
		} else if ((endTime - startTime) / 1000.0 >= 2) {
			System.out.println("FAIL the timeout");
			res = false;
		} else if (hasAnswer) {
			System.out.println("Match :-)");
		} else {
			System.out.println("OK, but is it right?");
		}
		System.out.println("");
		return res;
	}

	public static void main(String[] args) {
		boolean all_right;
		all_right = true;

		String[] p0;
		int p1;

		// ----- test 0 -----
		p0 = new String[] { "10 A A", "K 2 3" };
		p1 = 0;
		all_right = KawigiEdit_RunTest(0, p0, true, p1) && all_right;
		// ------------------

		// ----- test 1 -----
		p0 = new String[] { "2 3 4", "10 6 8", "A K 3" };
		p1 = 1;
		all_right = KawigiEdit_RunTest(1, p0, true, p1) && all_right;
		// ------------------

		// ----- test 2 -----
		p0 = new String[] { "J 5 2", "2 7 5", "10 J 2", "J 6 2", "J Q K" };
		p1 = 4;
		all_right = KawigiEdit_RunTest(2, p0, true, p1) && all_right;
		// ------------------

		// ----- test 3 -----
		p0 = new String[] { "Q K K", "10 J Q", "A 8 A", "2 2 2" };
		p1 = 3;
		all_right = KawigiEdit_RunTest(3, p0, true, p1) && all_right;
		// ------------------

		// ----- test 4 -----
		p0 = new String[] { "Q 6 6", "7 8 3", "3 7 2", "K Q 6", "Q 6 3", "5 3 8", "10 J Q", "4 8 4", "Q 2 5", "8 A 8",
				"9 10 10", "2 K 5", "10 4 5", "Q 4 Q", "3 J 2", "7 4 4", "3 9 7", "A 4 4", "Q 7 7", "10 9 A", "J 3 5",
				"5 8 9", "Q Q 7" };
		p1 = 6;
		all_right = KawigiEdit_RunTest(4, p0, true, p1) && all_right;
		// ------------------

		if (all_right) {
			System.out.println("You're a stud (at least on the example cases)!");
		} else {
			System.out.println("Some of the test cases had errors.");
		}
	}
	// END KAWIGIEDIT TESTING
}
// Powered by KawigiEdit-pfx 2.1.9!