已停更 - 博客园

2015年11月16日

摘要：题目：Given an arraynumscontainingn+ 1 integers where each integer is between 1 andn(inclusive), prove that at least one duplicate number must exist. Ass... 阅读全文

posted @ 2015-11-16 10:29 已停更阅读(174) 评论(0) 推荐(0)

2015年11月13日

Reverse Linked List

摘要：题目：单链表逆置，必须掌握Reverse a singly linked list.click to show more hints.Hint:A linked list can be reversed either iteratively or recursively. Could you imp... 阅读全文

posted @ 2015-11-13 10:53 已停更阅读(204) 评论(0) 推荐(0)

2015年11月12日

c++ primer 2 变量和基本类型

摘要： c++ primer 2 变量和基本类型阅读全文

posted @ 2015-11-12 16:32 已停更阅读(402) 评论(0) 推荐(0)

Single Number II

摘要：题目：Given an array of integers, every element appearsthreetimes except for one. Find that single one.Note:Your algorithm should have a linear runtime c... 阅读全文

posted @ 2015-11-12 13:58 已停更阅读(145) 评论(0) 推荐(0)

Roman to Integer & Integer to Roman

摘要：题目：Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.解析：这题没兴趣做，抄答案http://blog.csdn.net/jellyyi... 阅读全文

posted @ 2015-11-12 10:29 已停更阅读(187) 评论(0) 推荐(0)

Search Insert Position

摘要：题目：Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in... 阅读全文

posted @ 2015-11-12 09:27 已停更阅读(154) 评论(0) 推荐(0)

2015年11月11日

Unique Binary Search Trees II

摘要：题目：Givenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,Givenn= 3, your program should return all 5 ... 阅读全文

posted @ 2015-11-11 15:20 已停更阅读(159) 评论(0) 推荐(0)

Unique Binary Search Trees

摘要：题目：Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. ... 阅读全文

posted @ 2015-11-11 14:02 已停更阅读(167) 评论(0) 推荐(0)

2015年11月10日

Populating Next Right Pointers in Each Node

摘要：题目：Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; }Populate each next poi... 阅读全文

posted @ 2015-11-10 15:25 已停更阅读(190) 评论(0) 推荐(0)

Linked List Cycle

摘要：题目：Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?解析： 1 class Solution { 2 public: 3 ... 阅读全文

posted @ 2015-11-10 11:24 已停更阅读(155) 评论(0) 推荐(0)