Description: As the castle is a 4 × 4 grid, in order to defend the castle, it is necessary to build in some cells of some fortress yard. Castle are some of the lattice wall, and the rest are space lattice, the castle will be built in space, each a fortress can be to the up and down around the four directions, if both a fortress at the same column or row, and there is no wall between separated, then put the other two will be destroyed fortress. Asked for a status given up to be able to build some fortress.
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堡垒
....\baolei.cpp
....\baolei.dsp
....\baolei.dsw
....\baolei.ncb
....\baolei.opt
....\baolei.plg
....\Debug
....\.....\baolei.exe
....\.....\baolei.ilk
....\.....\baolei.obj
....\.....\baolei.pch
....\.....\baolei.pdb
....\.....\vc60.idb
....\.....\vc60.pdb