04 2023 档案
摘要:A salesperson must sell n items in a bag with random IDs. The salesperson can remove as many as m items from the bag. Determine the minimum number of
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摘要:There is a lottery with n coupons and n people take part in it. Each person picks exactly one coupon. Coupons are numbered consecutively from 1 to n.
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摘要:Given an array of bad numbers and a range of integers, determine the longest segment of integers within the range that does not include any bad number
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