随笔分类 - 最短路
摘要：During the kindergarten days, flymouse was the monitor of his class. Occasionally the head-teacher brought the kids of flymouse’s class a large bag of
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摘要：Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and performs exchang
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摘要：In the age of television, not many people attend theater performances. Antique Comedians of Malidinesia are aware of this fact. They want to propagate
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摘要：年轻的探险家来到了一个印第安部落里。在那里他和酋长的女儿相爱了，于是便向酋长去求亲。酋长要他用10000个金币作为聘礼才答应把女儿嫁给他。探险家拿不出这么多金币，便请求酋长降低要求。酋长说："嗯，如果你能够替我弄到大祭司的皮袄，我可以只要8000金币。如果你能够弄来他的水晶球，那么只要5000金币就
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摘要：N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than others. Each
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摘要：题目描述 Peter returned from the recently held ACM ICPC World finals only to find that his return flight was overbooked and he was bumped from the flight!
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摘要：For their physical fitness program, N (2 ≤ N ≤ 1,000,000) cows have decided to run a relay race using the T (2 ≤ T ≤ 100) cow trails throughout the pa
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摘要："Good man never makes girls wait or breaks an appointment!" said the mandarin duck father. Softly touching his little ducks' head, he told them a stor
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摘要：After going through the receipts from your car trip through Europe this summer, you realised that the gas prices varied between the cities you visited
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摘要：描述 Ha'nyu是来自异世界的魔女，她在漫无目的地四处漂流的时候，遇到了善良的少女Rika，从而被收留在地球上。Rika的家里有一辆飞行车。有一天飞行车的电路板突然出现了故障，导致无法启动。 电路板的整体结构是一个R行C列的网格（R,C≤500），如右图所示。每个格点都是电线的接点，每个格子都包含
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