https://www.cnblogs.com/Java3y/p/8846955.html -- link of the problem 816 IDEA: check the dot and integer cases. -- seperate the string into two parts, and make all  the ombination case for each one, then checking they are valid or not finally by virt…

We had some 2-dimensional coordinates, like "(1, 3)" or "(2, 0.5)".  Then, we removed all commas, decimal points, and spaces, and ended up with the string S.  Return a list of strings representing all possibilities for what our origina…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/ambiguous-coordinates/description/ 题目描述: We had some 2-dimensional coordinates, like "(1, 3)" or "(2, 0.5)". Then, we removed all commas, decima…

题目如下: 解题思路:我的方案是先把S拆分成整数对,例如S='1230',先拆分成(1,230),(12,30),(123,0),然后再对前面整数对进行加小数点处理.比如(12,30)中的12可以加上小数点可以变成(12)和(1.2),(30)可以变成(30)和(3.0).接下来对加上小数点后的结果进行配对,可以得到(12,30),(12,3.0),(1.2,30),(1.2,3.0)四种,再过滤掉不合规则的(x,3.0),就可以得到结果. 代码如下: class Solution(object…

We had some 2-dimensional coordinates, like "(1, 3)" or "(2, 0.5)".  Then, we removed all commas, decimal points, and spaces, and ended up with the string S.  Return a list of strings representing all possibilities for what our origina…

We had some 2-dimensional coordinates, like "(1, 3)" or "(2, 0.5)".  Then, we removed all commas, decimal points, and spaces, and ended up with the string S.  Return a list of strings representing all possibilities for what our origina…

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The Water Problem Time Limit: 1500/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 816    Accepted Submission(s): 657 Problem Description In Land waterless, water is a very limited resource. People always figh…

4.8 Using Ambiguous Grammars It is a fact that every ambiguous grammar fails to be LR and thus is not in any of the classes of grammars discussed in the previous two sections. However, certain types of ambiguous grammars are quite useful in the speci…

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