摘要： #include long gettime() { timeval t; gettimeofday(&t, NULL); return 1000*t.tv_sec + t.tv_usec/1000; } 阅读全文

摘要： 参考文献： https://www.jb51.net/article/36422.htm https://blog.csdn.net/jxt1234and2010/article/details/88588208 https://blog.csdn.net/jxt1234and2010/articl 阅读全文