相信地球人都用QQ的,我们每天都会打开QQ,但是你去注意到他是怎么实现的吗？
话不多说先上图：
该数据都是用plist文件存储
接下来带你看下plist文件分析下数据结构图一：
每一组都是一个组模型，一组相当于一个好友分组。图二
每组里面都有一个friends数组存放该组的好友数@interface JFFriend : NSObject
/**
* 头像
*/
@prope...
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其他好文 时间：
2015-08-10 00:25:10
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125
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Problem Description
Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M
Angel's friends want to save Angel. Their task is: approac...
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其他好文 时间：
2015-08-09 00:25:46
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125
Problem Description
There are n soda
conveniently labeled by 1,2,…,n.
beta, their best friends, wants to invite some soda to go hiking. The i-th
soda will go hiking if the total number of sod...
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其他好文 时间：
2015-08-08 12:10:46
阅读次数：
127
uva 1345 Jamie’s Contact GroupsDescriptionJamie is a very popular girl and has quite a lot of friends, so she always keeps a very long contact list in her cell phone. The contact list has become so lon...
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其他好文 时间：
2015-08-08 12:06:02
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139
http://acm.hdu.edu.cn/showproblem.php?pid=5360
Problem Description
There are n soda
conveniently labeled by 1,2,…,n.
beta, their best friends, wants to invite some soda to go hiking. The i...
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其他好文 时间：
2015-08-07 19:58:58
阅读次数：
107
Problem DescriptionThere arensoda conveniently labeled by1,2,…,n. beta, their best friends, wants to invite some soda to go hiking. Thei-th soda will ...
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其他好文 时间：
2015-08-06 20:04:48
阅读次数：
135
Virtual FriendsTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6844Accepted Submission(s): 1952Pro...
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其他好文 时间：
2015-08-06 10:48:48
阅读次数：
161
FriendsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1539Accepted Submission(s): 784Problem Desc...
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其他好文 时间：
2015-08-06 00:23:08
阅读次数：
111
uva 10608 Friends题目大意：给出两两之间的关系，求出最大的关系网。解题思路：并查集裸体。#include
#include
#include
#include
#include
using namespace std;const int N = 30005;
typedef long l...
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其他好文 时间：
2015-08-05 22:23:31
阅读次数：
185
Problem DescriptionThere arenpeople andmpairs of friends. For every pair of friends, they can choose to become online friends (communicating using onl...
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其他好文 时间：
2015-08-04 22:20:52
阅读次数：
108
