Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given "25525511135",
return ["255.255.11.135", "255.255.111.35"]. (Order ...
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其他好文 时间：
2015-04-21 16:06:05
阅读次数：
99
Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"((()))...
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其他好文 时间：
2015-04-21 14:33:22
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114
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example: Given "25525511135",
return ["255.255.11.135", "255.255.111.35"]. (Order does ...
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其他好文 时间：
2015-04-20 14:53:39
阅读次数：
95
题目：Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thesamerepeated ...
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其他好文 时间：
2015-04-17 23:48:42
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140
题目:Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telep...
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其他好文 时间：
2015-04-17 01:03:11
阅读次数：
128
/*题意：给两个数n,和k,求1-n的组合情况解法：递归求解*/class Solution {public: vector >res; int count; void Comb(int A[],int n,int k,int step){ if(step == k)...
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其他好文 时间：
2015-04-16 19:33:28
阅读次数：
108
problem:
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given "25525511135",
return ["255.255.11.135", "255.255...
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其他好文 时间：
2015-04-15 17:03:24
阅读次数：
91
Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thesamerepeated num...
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其他好文 时间：
2015-04-15 12:54:51
阅读次数：
120
Given two integers n and k, return all possible combinations of k numbers out of 1 … n.For example,
If n = 4 and k = 2, a solution is:[
[2,4],
[3,4],
[2,3],
[1,2],
[1,3],
[1,4],
]这道...
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其他好文 时间：
2015-04-15 11:25:44
阅读次数：
113
代码: 1 #include 2 #include 3 #include 4 5 using namespace std; 6 7 vector cs = {"","","abc","def","ghi","jkl","mno","pqrs","tuv","wxyz"}; 8 vector *r.....
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其他好文 时间：
2015-04-15 00:58:16
阅读次数：
106
