Note to self

Problem1 hello world $mkdir pset1   //創建一個目錄pset1 $cd ./pset1    //進入pset1目錄 check50 2016.hello hello.c      //CS50 IDE提供的檢查檔案是否正確 submit50 cs50/2017/x/hello           //提交檔案如下圖所示 Problem2 water Suffice it to say that the longer you shower, the more water you use. But just how much? Even if you have a "low-flow" showerhead, odds are your shower spits out 1.5 gallons of water per minute. A gallon, meanwhile, is 128 ounces, and so that shower spits out 1.5 × 128 = 192 ounces of water per minute. A typical bottle of water (that you might have for a drink, not a shower), meanwhile, might be 16 ounces. So taking a 1-minute shower is akin to using 192 ÷ 16 = 12 bottles of water. Taking (more realistically, perhaps!) a 10-minute shower, then, is like using 120 bottles of water. Deer Park, that’s a lot of water! Of course, bottled water itself is wasteful; best to use reusable containers when you can. But it does pu...

在IDE上用vim編輯, http://linux.vbird.org/linux_basic/⋯⋯ $ vim hello.c 按i鍵入insert #include <stdio.h> int main(void) { printf(“Hello,world\n”); } 鍵入esc

1. 首先先看看這篇的介紹文吧 https://www.inside.com.tw/2014/12/1⋯⋯ 2.進入此網址註冊吧 https://www.edx.org/course/introduc⋯⋯ 3.註冊完之後推薦在edx上面學習就好,上面資源整合的相當完整 4.點擊課程之後會看到像這樣的畫面,如果影片全英看不懂的話,可以直接看notes 5.接下來就接著影片教學了 6.之後如何submit作業上去之後再補充囉