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 ...
Given a file and assume that you can only read the file using a given methodread , implement a methodreadto readncharacters.Your methodreadmay be called multiple times. Method read : The APIread read ...
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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 ...
Given a file and assume that you can only read the file using a given method read4, implement a method to read n characters. Method read4 ...
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 ...
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。 ...
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。。。 ...
Python : 3.7.0 OS : Ubuntu 18.04.1 LTS IDE : PyCharm 2018.2. ...
一、背景 基于SpringBoot 构建了一个http文件下载服务,检查tomcat access 发现偶尔出现500 状态码的请求,检查抛出的异常堆栈 2019-03-20 10:03:1 ...
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。” ...