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Description In how many ways can you tile a 2xn rectangle by 2x1 or 2x2 tiles? Here is a sample tiling of a 2x17 rectangle. Input Input is a s... 阅读全文
posted @ 2016-04-05 18:12
HARD_UNDERSTAND
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题目:http://poj.org/problem?id=1131 题意: 给出一个0-1之间的八进制小数,要求转换成10进制小数。 分析: 因为There is no limit on k,所以要用高精度了。import java.io.*;import java.math.*;... 阅读全文
posted @ 2016-04-05 16:51
HARD_UNDERSTAND
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