一般图最大匹配

//带花树算法求一般图的最大匹配参考 http://www.cnblogs.com/owenyu/p/6858508.html    http://blog.csdn.net/jackyguo1992/article/details/11271497     http://fanhq666.blog.163.com/blog/static/8194342620120304463580/     http://blog.csdn.net/u010660276/article/details/48013013     http://www.cnblogs.com/zhsl/p/3271754.html