local function getmjvalnew(key) local keynew = {} local sumnval = 0 for _, v in ipairs(key) do if v<=0 and next(keynew) then sumnval = sumnval + getmjvalnew(keynew) keynew = {} elseif v>0 then table.insert(keynew, v) end end key = keynew if not next…

1027. MJ, Nowhere to Hide Constraints Time Limit: 1 secs, Memory Limit: 32 MB Description On BBS, there is a familiar term called MJ (short for MaJia), which means another BBS ID of one person besides his/her main ID.These days, a lot of ACMers pour…

一,效果图. 二,工程图. 三,代码. ViewController.m #import "ViewController.h" #import "MBProgressHUD+MJ.h" @interface ViewController () @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after l…

1. 如果系统自带的布局的话,是这样: //系统自带的UICollectionViewFlowLayout 而不是UICollectionViewLayout UICollectionViewFlowLayout *waterLayout = [[UICollectionViewFlowLayout alloc]init]; waterLayout.itemSize = CGSizeMake(, ); waterLayout.minimumLineSpacing = ; waterLayout.…

修改MJRefreshFooterView.m文件中的这个方法 #pragma mark - 状态相关 #pragma mark 设置状态 - (void)setState:(MJRefreshState)state { if (_state == state) return; MJRefreshState oldState = _state; [super setState:state]; switch (state){ case MJRefreshStatePulling:{ _status…

// // ViewController.m // Refresh // // Created by Apple on 16/7/19. // Copyright © 2016年 mac. All rights reserved. // #import "ViewController.h" #import "MJRefresh.h" #import "DIYRefreshHeader.h" @interface ViewController ()…

An instance 0xca90200 of class UITableView was deallocated while key value observers were still registered with it. Observation info was leaked, and may even become mistakenly attached to some other object. Set a breakpoint on NSKVODeallocateBreak to…

2017.07.14 update 做了个界面,不需要使用cmd命令行+文件路径的方式来使用了: 链接如下: http://www.cnblogs.com/chenyuebai/p/7150382.html - - - - - - - - - - - - - - - - - - - - - - - - - - - - -原博文- - - - - - - - - - - - - - - - - - - - - - - - - - - - - 周末给妹子做的小工具集:大体框架差不多了,支持执行传入参…

1.单例的介绍 单例是iOS常用的开发模式的一种. 2.什么是单例 单例就是一个类只创建一个对象,只分配一次内存空间. 3.单例的应用场景 1)系统的单例:  [UIApplication sharedApplication]; 2)应用中的单例:qq的背景图等 4.单例的注意事项 1)永远只分配一块内存来创建对象 2)提供一个类方法,返回内部唯一的一个对象(一个实例) 3)最好保证init方法也只初始化一次 5.单例的创建 1)重写分配内存方法 //重写分配内存的方法 + (instancet…

//就是一个简单的字符串配对~~用map来解决很easy #include <iostream> #include <map> #include <string> using namespace std; int main() { int n; ) { string ip , name; string tmp; map<string,string> m; map<string,string>::iterator iter; map<stri…