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With highways available, driving a car from Hangzhou to any other city is easy. But since the tank capacity of a car is limited, we have to find gas s 阅读全文
posted @ 2019-12-08 19:28
57one
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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
posted @ 2019-12-08 16:48
57one
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Given any string of N (≥) characters, you are asked to form the characters into the shape of U. For example, helloworld can be printed as: h d e l l r 阅读全文
posted @ 2019-12-08 15:56
57one
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A traveler's map gives the distances between cities along the highways, together with the cost of each highway. Now you are supposed to write a progra 阅读全文
posted @ 2019-12-08 15:23
57one
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Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1 = { 11, 12, 13, 14 } is 1 阅读全文
posted @ 2019-12-08 14:56
57one
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A table tennis club has N tables available to the public. The tables are numbered from 1 to N. For any pair of players, if there are some tables open 阅读全文
posted @ 2019-12-08 10:39
57one
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