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考虑不需要那么多^^^^自己开始做这题时..因为看题 不细心 没看到 题目给的系数 只会为 0与1 所以还考虑负数^^^^ 在其次 在考虑 1 1 1 1 1 1 这样的CASE ..考虑过多 ..这题主要就是将乘法,取余 与对2做模运算 结合起来 利用异或 ^ Followed by: Post your reply here: |
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