James Pan

原题网址：https://leetcode.com/problems/read-n-characters-given-read4/The API: int read4(char *buf) reads 4 characters at a time from a file.The return value is the actual number of characters re

原题网址：https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times/The API: int read4(char *buf) reads 4 characters at a time from a file.The return value is the actual