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The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers. 阅读全文
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The Japanese language is notorious for its sentence ending particles. Personal preference of such particles can be considered as a reflection of the s 阅读全文
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Weibo is known as the Chinese version of Twitter. One user on Weibo may have many followers, and may follow many other users as well. Hence a social n 阅读全文
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The ranklist of PAT is generated from the status list, which shows the scores of the submittions. This time you are supposed to generate the ranklist 阅读全文
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Given a constant K and a singly linked list L, you are supposed to reverse the links of every K elements on L. For example, given L being 1→2→3→4→5→6, 阅读全文
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Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+ 阅读全文
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A gas station has to be built at such a location that the minimum distance between the station and any of the residential housing is as far away as po 阅读全文
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People often have a preference among synonyms of the same word. For example, some may prefer "the police", while others may prefer "the cops". Analyzi 阅读全文
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Mooncake is a Chinese bakery product traditionally eaten during the Mid Autumn Festival. Many types of fillings and crusts can be found in traditional 阅读全文
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For any 4 digit integer except the ones with all the digits being the same, if we sort the digits in non increasing order first, and then in non decre 阅读全文