4129:变换的迷宫(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fbailian.openjudge.cn%2Fpractice%2F4129%3Flang%3Den_US)总时间限制:1000ms内存限制:65536kB描述你现在身处一个R\C的迷