摘要：
If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0 with simple c 阅读全文
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For two rational numbers, your task is to implement the basic arithmetics, that is, to calculate their sum, difference, product and quotient. Input Sp 阅读全文
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To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the words share the same s 阅读全文