[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);
	}
}