原题链接：http://acm.hdu.edu.cn/showproblem.php?pid=2680 Problem Description One day , Kiki wants to visit one of her friends. As she is liable to carsickness , she wants to arrive at her friend’s home as

环境 系统：CentOS-7 CPU： Intel® Xeon® CPU E5-2680 v4 @ 2.40GHz 14C28T 内存： 48G DDR3 依赖安装 make --versionGNU Make 4.3gcc --versiongcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9)g++ --versiong++ (GCC) 11.2.