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样例输出 解题思路 一开始看到这题就觉得要用栈,毕竟是表达式求值问题,但是自己的中缀表达式求值也没练过,而且这次的课程作业又是练习递归,于是就尝试了递归解法。 但是入门太浅,还是搞不懂递归思路,很难从一个表达式中进行结构的分解,逻辑梳理能力太差。 下面是大佬的代码,真心膜拜,希望我的代码能力能越来越 阅读全文
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题目链接: http://poj.org/problem?id=1191 解题思路: 关键是方程式的化简,思路清晰,整个题的难度不大。 AC代码(课程PPT) 阅读全文
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Description Some of you may have played a game called 'Blocks'. There are n blocks in a row, each box has a color. Here is an example: Gold, Silver, S 阅读全文
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Description The king pays his loyal knight in gold coins. On the first day of his service, the knight receives one gold coin. On each of the next two 阅读全文