源码要求为至少5个C或Java源码或其他好源码或编程学习资料，质量越高得到的下载个数越多(一般上传5个，可以下载200个)。 -Source data requirements for at least 5 C or Java source code or other good source or programming to learn more, the higher the quality the number of downloads (usually upload 5, you can download to 200).