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, including the source of the problem and solving ideas and other details, interested can refer to.