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巧为輗,拙为鸢。
译文:巧妙的如同车辕,笨拙的如同风筝。比喻各有其用。
一个问题如果在计算机上可以快速解决,那么它属于P类问题;如果一个解可以快速验证,那么它属于NP类问题。
A musician must make music, an artist must paint, a poet must write, if he is to be ultimately at peace with himself.