一般解空间的队列式分支限界法

试设计一个用队列式分支限界法搜索一般解空间的函数。该函数的参数包括结点可行性

判定函数和上界函数等必要的函数，并将此函数用于解布线问题。

-Queue-type general solution space try to design a branch and bound branch and bound with a queue-type search function of the general solution space. The function parameters include node function and on determining the feasibility of community functions and other necessary functions, and solutions for this function is used to wiring problems.