题目链接：Scramble String
Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively.
Below is one possible representation of s1 = "great":
...
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其他好文 时间：
2015-04-07 23:33:46
阅读次数：
556
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent
a number.
An example is the root-to-leaf path 1->2->3 which represents the number 123.
Find the tota...
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其他好文 时间：
2015-04-07 10:07:07
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94
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
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其他好文 时间：
2015-04-06 15:30:40
阅读次数：
107
Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which rep...
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其他好文 时间：
2015-04-06 00:54:29
阅读次数：
189
Question：Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number.An example is the root-to-leaf path 1->2...
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其他好文 时间：
2015-04-04 01:08:13
阅读次数：
190
Letter Combinations of a Phone Number
Given a digit string, return all possible letter combinations that the number could represent.
A mapping of digit to letters (just like on the telephone b...
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其他好文 时间：
2015-04-03 01:38:10
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160
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
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其他好文 时间：
2015-04-01 00:06:37
阅读次数：
119
https://leetcode.com/problems/sum-root-to-leaf-numbers/Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a num...
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其他好文 时间：
2015-03-19 17:51:26
阅读次数：
150
problem：
Given a digit string, return all possible letter combinations that the number could represent.
A mapping of digit to letters (just like on the telephone buttons) is given belo...
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其他好文 时间：
2015-03-19 11:30:42
阅读次数：
138
Letter Combinations of a Phone Number问题：iven a digit string, return all possible letter combinations that the number could represent.A mapping of digi...
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其他好文 时间：
2015-03-15 16:30:01
阅读次数：
148
