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1.题目A reversible prime in any number system is a prime whose "reverse" in that number system is also a pri... 阅读全文
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1.题目It is vitally important to have all the cities connected by highways in a war. If a city is occupied b... 阅读全文
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1.题目Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answ... 阅读全文
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1.题目A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members ... 阅读全文
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参考https://blog.csdn.net/zhang__shuang_/article/details/86578800例题题目描述： 求任意两个不同进制非负整数的转换（2进制～16进制），所给整数在lon... 阅读全文
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1.题目People often have a preference among synonyms of the same word. For example, some may prefer "the poli... 阅读全文
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1.题目Mooncake is a Chinese bakery product traditionally eaten during the Mid-Autumn Festival. Many types of... 阅读全文
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1.题目For any 4-digit integer except the ones with all the digits being the same, if we sort the digits in n... 阅读全文