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Stockbroker Grapevine Time Limit: 1000MS Memory Limit: 10000K Description Stockbrokers are known to overreact to rumours. You have been contracted to 阅读全文
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Cow Hurdles Time Limit: 1000MS Memory Limit: 65536K Description Farmer John wants the cows to prepare for the county jumping competition, so Bessie an 阅读全文
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题意：给你点、边，求起点到终点的最短距离。 题解：由于题目的数据量特别大，所以需要用邻接表来存边，之后对Dijkstra算法稍微魔改一下就可以了，本来以为会超时，做好了打堆优化的准备，结果卡时间过了,可以说很开心了. 注意SPFA会超时。 include include include includ 阅读全文
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Candies Time Limit: 1500MS Memory Limit: 131072K Description During the kindergarten days, flymouse was the monitor of his class. Occasionally the hea 阅读全文
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题意：t组数据，每组数据有abcd四个数，其中d可以加到abc任意一个数上（d可以拆分），求公式a^2 + b^2 + c^2 + 7 min(a,b,c)的最大值。 题解：首先明确一点，平方的增长速度是比较快的，所以当d比较大时，直接把他累加到一个数上就可以了，对于小范围数据枚举就可以。结果当时有 阅读全文