发布时间：2015-03-22 17:04:41
import java.util.LinkedList;import java.util.Queue;import java.util.Stack;public class ReverseWordsinaString {public static void main(String []arg){System.out.print(reverseWords("a"));}public static String reverseWords(String s) {//if(s==null){//return null;//}if(s.length()==.........【阅读全文】
发布时间：2015-03-22 17:03:51
import java.awt.Dialog.ModalExclusionType;import java.awt.image.RescaleOp;import java.util.LinkedList;import java.util.Queue;import java.util.Stack;//Reverse digits of an integer.////Example1: x = 123, return 321//Example2: x = -123, return -321public class Rev.........【阅读全文】
发布时间：2015-03-22 17:02:18
//Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.////For example,//Given 1->2->3->3->4->4->5, return 1->2->5.//Given 1->1->1->2->3, return 2->3.class ListNode { int val; L.........【阅读全文】
发布时间：2015-03-22 17:00:36
import java.util.ArrayList;import java.util.List;//Given an index k, return the kth row of the Pascal's triangle.////For example, given k = 3,//Return [1,3,3,1].////Note://Could you optimize your algorithm to use only O(k) extra space?public class PascalTriangleTwo {public static void .........【阅读全文】
