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Shopping in Mars is quite a different experience. The Mars people pay by chained diamonds. Each diamond has a value (in Mars dollars M$). When making 阅读全文
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Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer is "yes", if 6 is a decimal number and 110 is 阅读全文
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Given a sequence of positive integers and another positive integer p. The sequence is said to be a "perfect sequence" if M <= m * p where M and m are 阅读全文
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散列 1、需要模拟实现散列的情况 Liner Probing：对H(key)地址 + i 之后 mod Size 得新地址。 Quadratic probing： 对H(key)地址 + i^2 之后 mod Size 得新地址。 2、使用散列表 数字哈希：数组可直接使用。 map<key, val 阅读全文