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"History is not just a record of events; it's a tapestry of human emotions and choices."
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
词语如同影子,影子如同词语:它们什么都不说,它们只是重复我们想听的话。
记忆是一件复杂的事情,是真相的亲戚,但不是它的双胞胎。