点击打开链接 Communication System Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 21007 Accepted: 7449 Description We have received an order from Pizoor Communications Inc. for a special communication system. The system consists of several d
144. Meeting time limit per test: 0.25 sec. memory limit per test: 4096 KB Two of the three members of the winning team of one of the ACM regional contests are going to meet in order to train for the upcoming World Finals. They decided that they will
从浙江某电信ip的服务器上 ping 大陆外某个外网地址不通,报如下信息: From 202.97.60.193 icmp_seq=48 Time to live exceeded google,百度后,有人也遇到这种情况,是因为在路由过程中出现了环路,改用traceroute -n xx.xx.xx.xx 发现返回如下图结果: 看来是包一直在202.97.60.194 上来回传输,用http://www.ip138.com 查询此ip为上海电信的骨干ip, 应该是包在这个路由上出现了环路,所以