[topcoder]BusinessTasks

 水题，不值一提。http://community.topcoder.com/stat?c=problem_statement&pm=1585&rd=6535

import java.util.*;



public class BusinessTasks {

	public String getTask(String[] list, int n) {

		ArrayList<String> al = new ArrayList<String>();

		for (int i = 0; i < list.length; i++) {

			al.add(list[i]);

		}

		int len = al.size();

		if (len == 0) return null;

		int current = 0;

		while (len != 1) {

			int next = (current + n - 1) % len;

			al.remove(next);

			len = al.size();

			current = next % len;

		}

		return al.get(0);

	}

}