Tech Flow

We do more than change the world.

We create it.

It’s an amazing, fantastic, incredible, unprecedented event about technology products I had ever seen. Now I believe that Microsoft is a company that will change the world more than once.

A touching movie

A moving film – Rudy

Today I cried

I have never imagined that I can be moved so deeply by a particular film. From my childhood, I have watched plenty of films including comedy, science friction, actin, plot… but none of them could make me cry. I even usually laugh at my mother crying while watching some TV series and reality show. However, now , it’s time for me to change my mind. I would like to introduce this film to you, a fantastic one that makes cold me cry.

Introduction

The film I want talk about is called Rudy, which is a famous biographical sports film directed by David Anspaugh. The film is an account of life of Daniel “Rudy” Ruettiger who has been fighting for his football dream by all efforts despite significant obstacle.

Watching by chance

I’m not myself today because of something that even I didn’t know. I simply searched on YouTube to find some introductions and recommendations about some inspirational films. Fortunately, the first text come into view is of course this film Rudy. Therefore, I downloaded it at once watching it.

Something really touch me

I am not going to spoil anything, just a few plots that really impressed me.

On his best friend’s funeral

He was despair and depress when the song begun. Rushing out of the church to cry and cry, to my surprise, he decided to go to Notre Dame University which he appreciated since his birth but nobody believed him could have done that. With no hesitate, no excess grief, he take the bus directly in the cold night.

Standing on the changing room reading the text graved on the wall

After he was allowed to take a job in charge of logistics of football team, he went to work. Once he got there, he looked at the text graved on the wall like a Saint reading the text devoutly. I can see the passion and dream from his words and eyes.

Everyone in the gym cheering for Rudy

After the friend in Rudy’s team first called his name, the voice spreading across the whole gym with everyone no matter if recognized Rudy beginning to cheer for Rudy including his old friends, teammates, family…

My personal feeling

I believed that a good film doesn’t require something spectacular or amazing, just a normal one with an unusual dream like the film. From some extent, Rudy is me, I am Rudy. I see myself on him. I cheer for myself, for my dream.

Rudy

Rudy

At last, some inspiring line for myself:

  • Having dreams is what makes life tolerable
  • In this life you don’t have to prove nothing to nobody except yourself. And after what you’ve done through, if you haven’t done by now, it ain’t gonna never happen. And I guarantee a week won’t go by, you won’t regret walking out letting them get the best of you.
  • My whole life, people have been telling me what I could do and couldn’t do. I’ve always listened to them, believed in what they said. I don’t want to do that anymore.

Rudy raised by his teammates running around the field

Rudy raised by his teammates running around the field

gallery test

汉诺塔问题

题面

相传在古印度圣庙中,有一种被称为汉诺塔(Hanoi)的游戏。该游戏是在一块铜板装置上,有三根杆(编号A、B、C),在A杆自下而上、由大到小按顺序放置64个金盘(如下图)。游戏的目标:把A杆上的金盘全部移到C杆上,并仍保持原有顺序叠好。操作规则:每次只能移动一个盘子,并且在移动过程中三根杆上都始终保持大盘在下,小盘在上,操作过程中盘子可以置于A、B、C任一杆上。

自己汉诺塔问题晕了很久,但搜索写多了至少也有一些通悟


不妨假设:

  • 当只有

    1
    1个盘子

    1. 把盘子从A直接移到C
  • 当只有

    1
    2个盘子

    1. 将上面的盘子从A移动到B
    2. 将下面的盘子从A移动到C
    3. 将B上的盘子从B移动到C
  • 当有

    1
    3个盘子

    1. 将上面的盘子从A移动到C
    2. 将中间的盘子从A移动到B
    3. 将C上的盘子从C移动到B
    4. 将下面的盘子从A移动到C
    5. 将B上面的盘子从B移到A
    6. 将B上的盘子从B移到C
    7. 将A上的盘子从A移到C

可以发现当有3个盘子时,中间就会转化成2个盘子的情况,2个盘子最后就会转化成1个盘子的情况,显然可采用递归的方法

思路

n-1个盘子移到B,再把最下面的盘子移到C,再把B上的n-1个盘子移到C

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#include <iostream>
#include <cstdio>
using namespace std;

int ans,n;

void dfs(int x,int a,int b,int c)// num from trans end
{
if(x==1)
{
printf("move from %d to %d\n",a,c);
ans++;
return;
}
dfs(x-1,a,c,b);
printf("move from %d to %d\n",a,c);
ans++;
dfs(x-1,b,a,c);
}

int main()
{
scanf("%d",&n);
dfs(n,1,2,3);
printf("need %d steps\n",ans);
return 0;
}

自己遇到的坑

  • a,b,c三个柱子没有搞清楚,递归函数里到底四个参数分别代表什么要搞清楚

其他一些……

  • f[n]=f[n-1]*2+1

    本次的次数就等于把n-1个盘子移动了两回,加上剩下的最大的盘子移动的一次

Hello World

Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub.

Quick Start

Create a new post

1
$ hexo new "My New Post"

More info: Writing

Run server

1
$ hexo server

More info: Server

Generate static files

1
$ hexo generate

More info: Generating

Deploy to remote sites

1
$ hexo deploy

More info: Deployment

My first VEX tournament of the season

Now I am on the bullet train from Xi’an to Baoding, crossing one tunnel after another, passing one bridge after another. Just a few minutes ago, I was sleeping deeply, but now I think I am conscious.

Sleepless night


From the beginning of the summer vacation, I was studying TOEFL everyday following a regular routine – getting up at 7AM, doing TOEFL practice all the day and then going to bed at 11PM.

However, Last night even didn’t close my eyes for a while because of the unfinished autonomous program. It’s a hard and harsh work putting tons of parameters and variables to my mind simultaneously. Fortunately, with my team members Tony and Jessica helping me reset the match field quickly and accurately, finally I got it. Never forget the colorful cubes leaps on the match field which seem to lose control.

Nervous time


To be honest, I didn’t put too many efforts in the VEX competition these summer vacation. I just came to participate in training two days before our setting off. I am really awkward to my excellent team member and coach Mr. Han.

The robot that will be used in the competition hadn’t been finished two days before. Our manipulator Tony hadn’t practice controlling the robot like catching the cube and pile them up in the specific area which is not easy and definitely needs time to be familiar with the way of controlling.

Luckily, we had done everything in time under the unity of our team which is the most valuable and precious thing I got from the robot club. I saw everyone mounting screw carefully, writing engineer log amazingly… There exists many good personalities and characters that I need to learn from them.

My article was published in the school newspaper!

Summary of 2019 VEX Worlds Championship

VEX 2019世锦赛总结


img

难忘的一次经历。

久别重逢

作为刚刚转入国际班的新生,我很荣幸被韩老师选中参加VEX2019世锦赛。赛前,有激动、欣喜,也有紧张与茫然。VEX,于我而言是一个既熟悉又陌生的竞赛项目。初中时在韩老师的带领下参加了“一网打尽”和“星光璀璨”两个赛季,也收获了很多。本以为与VEX在此分道扬镳,没想到如今的久别重逢。与熟悉的金属结构件相遇、与机器人对抗电机高速旋转的齿轮声相遇,更重要的,更重要的是与初中时有着共同热爱与梦想的同学们和老师重逢。这一切都让我激动不已,就像是星星之火在无数个暴风雪夜之后重新成为熊熊烈火一样,照亮了我的心。

当然,新的问题接踵而至。VEX推出了全新的V5主控套装,新的编程环境,这一切都是需要我去学习和尽快掌握新的知识;这里有了更多陌生的面孔,有身经百战的学姐和学长、还有已经征战将近一个赛季的国一的同学们。而我,作为一个新加入机器人社团大家庭的人,如何让大家认识我、了解我、信任我是亟待解决的问题。

The true first day of 2019 VEX Worlds

Fantastic & Unsatisfactory flights

The first trip begin at 6:00 in the morning, it’s the most intensive boarding for me, which we arrived the airport an hour earlier and boarded before the taking off for just 30 minutes. Also, the huge robots are carrying to the special channel. I heard the obvious noise when the conveyor belt was running.

On the flight, everybody was very tired because of staying up the whole night. But I didn’t feel sleepy, looking at the outside of the windows. It was charming and moving and also I have never seen the sunrise before.

Chicago O’Hare Airport

The second flight from Beijing to Chicago operated by The United Airlines. To be honest, it was not as good as I thought before. The food, space, comfortability and so on were not very good.

And I deemed that I was able to review my schoolwork during the flight period, but I was totally wrong. I just played with Jessica and had lots of fun. We talked about a lot about school, life and many other things. I thought she is a really nice girl, a little bit like QBS. Having feasible childish is the most attractive aspect to me.

We went around the Outlets in the afternoon but I bought nothing. It’s totally the same as the Outlets in Seattle. I don’t think that I belong to this kind of places.

In the evening, Mr. Han held a meeting between us. Many things have been mentioned, but the most impressive thing for me is that his affirmation to me.

And also my duty is looking after the base, managing the batteries and being charge of replying with Jessica. I hope that we two can co-ordination and co-operate to make our team better. Can’t say for sure that our relationship can make progress, of course not that kind of relationship but other kind of relationship.

Tomorrow will be greater!

The last mile

The last mile

Chicago O'Hare Airport

Chicago O’Hare Airport

Chicago O'Hare Airport

Chicago O’Hare Airport

PEKPEKBeoing 777 - U850Beoing 777 - U850

The last day in Seattle

西雅图夜未眠

“Country road, take me home, to the place, I belong……”, 完强老师的吉他演唱一直回荡在我耳边。从未想过,这里,如此让我留恋。

今天西雅图市区参观的行程很紧,很多地方都只停一小会儿,但整个体验还是不错的。当我站在gas park的岸边,远眺对岸的Seattle Downtown,偶尔有几只海鸥紧贴地面飞翔,看着远处的云朵被阳光穿透,一点一点地朝我们照来。一切都很安静,一切都很和谐,站在这里,吹着海风,一切烦恼都被抛在脑后,只希望这一刻可以永远持续下去……

下午很早就回到了酒店,然后换正装前往晚宴地点。乘坐电梯上至高层,来到了我们的晚宴地点。这里真的好高端啊,落地窗户直接可以看到整个西雅图(贝尔维尤?)市中心,风景十分美。

待大家坐定,没想到第一个环节就是激动人心的颁奖环节。也没有什么像电视节目中一秒剪成20秒的做作,仅仅只是丁老师平和地说出了获奖的优秀项目团队。当“Reflux”这个词说出来后,我的心跳就突然加快,我意识到也许是我们!仅仅一瞬之后,我确定是我们,就是我们!我们TinySoft这一组可能是最奇葩的一组了。三天挑战赛所有组员都没有熬夜,基本没有争吵,没有喝一杯咖啡,总之我们非常平常地坚持下来了,感觉所有项目环节也是稳步推进,一步一个脚印。但我们也未曾想过,第一名会是我们,这真的是一件意料之中却又是意料之外的事情。丁老师话音刚落,我激动地挥舞双手,不由自主地站了起来,看了看老师,看了看我的队友,又坐了下去,不知所措的样子……

几次非常尴尬地站起坐下后,我们组的四个人,机械大佬邰潇逸、视频大佬田成洋、文案大佬文劼还有我、李昊锦一同站在了舞台上(其实没有舞台)。当我看见台下Lewis鼓励的目光,以及老师们祝贺的目光,再环顾光晕下我们四人,百感交集。也许就是缘分,让我们相聚,让我们都在彼此的人生线上都有了交集。头脑风暴,我们一同站在风暴中心大开脑洞;三天的挑战,我们并肩前行,无畏困难。

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