A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
写作是一种希望的行为,是对文字改变世界力量的信念。
I'm fearless in the pursuit of what sets my soul on fire.
真正的领导者倾听多于说话,并向周围的每个人学习。
I'm not a god, I'm just a man who sings about gods.
朗兰兹纲领证明了数学所有领域的相互关联性。