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Queues and Priority Queues are data structures which are known to most computer scientists. The Team Queue, however, is not so well known, though it o 阅读全文
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Colonel has n badges. He wants to give one badge to every of his n soldiers. Each badge has a coolness factor, which shows how much it's owner reached 阅读全文
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Now our hero finds the door to the BEelzebub feng5166. He opens the door and finds feng5166 is about to kill our pretty Princess. But now the BEelzebu 阅读全文
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很方，不包括括号的计算器都做不出，只能借鉴学长们的思路，感觉小脑袋瓜还不够机灵！！！ 题目：读入一个只包含 +, -, *, / 的非负整数计算表达式，计算该表达式的值。 要求：测试输入包含若干测试用例，每个测试用例占一行，每行不超过200个字符，整数和运算符之间用一个空格分隔。没有非法表达式。当一 阅读全文
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某城有一火车站，有n节车厢从A方向驶入车站，按进站顺序为1~n，要求：让它按照某种特定顺序进入B方向的铁轨并驶出车站。其中有一个中转站C，用来重组车厢。 A有俩种方式出站，一是借助中转站C，这涉及到栈的问题，二是直接从B出去。所以要判断出站顺序就只要判断B出站的车厢在此时的A与以C作为中转站的栈的栈 阅读全文