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 推荐指数:
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实现readn... 至调用一次,感觉怎么搞都可以。。。估计这个题有II就是调用多次了。。。 感觉多次勇哥buffer存下多读的那部分就好了。。。 ...
这道题跟I不一样在于,read函数可能多次调用,比如read(buf,23)之后又read(buf, 25), 第一次调用时的buffer还没用完,还剩一个char在buffer里,第二次拿出来接着用,这样才能保证接着上次读的地方继续往下读。 1. 所以应该设置这4个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上面写的难度是hard,其实很简单,前面也写了,加个buffer就好了。 ...
Python : 3.7.0 OS : Ubuntu 18.04.1 LTS IDE : PyCharm 2018.2. ...
它算一个字符。你可以定义char str[]="\n";然后输出sizeof(str)或者strlen(str)看看,前者是2,后者是1。” ...
InputStream.read()方法,就从输入流中读取一个字节的数据,并返回这个字节。如果读取内容到达文件末尾,那么就返回-1。 ...