Given a file and assume that you can only read the file using a given method read4, implement a method read to read n characters. Your method read ...
Given a file and assume that you can only read the file using a given methodread , implement a method to readncharacters. Method read : The APIread reads consecutive characters from the file, then wr ...
2016-02-01 02:54 2 14152 推薦指數:
Given a file and assume that you can only read the file using a given method read4, implement a method read to read n characters. Your method read ...
用read4實現readn... 至調用一次,感覺怎么搞都可以。。。估計這個題有II就是調用多次了。。。 感覺多次勇哥buffer存下多讀的那部分就好了。。。 ...
這道題跟I不一樣在於,read函數可能多次調用,比如read(buf,23)之后又read(buf, 25), 第一次調用時的buffer還沒用完,還剩一個char在buffer里,第二次拿出來接着用,這樣才能保證接着上次讀的地方繼續往下讀。 1. 所以應該設置這4個char ...
The API: int read4(char *buf) reads 4 characters at a time from a file. The return value is the actual number of characters read. For example ...
leetcode上面寫的難度是hard,其實很簡單,前面也寫了,加個buffer就好了。 ...
Python : 3.7.0 OS : Ubuntu 18.04.1 LTS IDE : PyCharm 2018.2. ...
它算一個字符。你可以定義char str[]="\n";然后輸出sizeof(str)或者strlen(str)看看,前者是2,后者是1。” ...
InputStream.read()方法,就從輸入流中讀取一個字節的數據,並返回這個字節。如果讀取內容到達文件末尾,那么就返回-1。 ...