Hill was a clever boy,he like math very much.Today teacher give him a question.. But Hill was tired,he need to sleep,so let you help him to calculate N!
Hill was a clever boy,he like math very much.Today teacher give him a question. calculate N! . But Hill was tired,he need to sleep,so let you help him to calculate N!. what is N! N! = 1*2*3*......*N Hey, you need to think about 0! . Do you?
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