这是C语言的面试题，包含很多内容，很全，供大家参考-This is a C-face examination questions, including a lot of content, it is full, for your reference

C语言求孪生数 矩阵替换A 扩展字符A，当时是研究生C语言考试2011级研究生面试题，本源码内包括了问题和解题思路等详细资料，有兴趣的可参考下。-C language seeking to replace A twin extended character matrix A, then a graduate student at the C language exam 2011 graduate interview questions,