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晕，这种题在比赛时不可能就5*5吧，到时枚举怎么过得去In Reply To:能不能启发式搜索，根据J的个数和位置来搜或是构造长为7的连通链，效率可能更高些 Posted by:sunmoonstar_love at 2005-06-30 22:34:43 Followed by:
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