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要处理多解的话复杂度又回到O(2^n),这组数据我也得不到正确答案。。In Reply To:我刚试了下，高斯写2681如果不处理多解的话，应该wa的，能ac可能数据太弱吧。（见内） Posted by:o_oXo_o at 2006-09-14 19:50:08 > 4 > ywyy > wwwy > yyyy > wwwy > > 应该是2，我ac的程序得不到。 > 如果你能过着数据，或者应该还有其他数据可以卡掉不处理多解的高斯的吧。 Followed by:
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