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:
2014-10-25 22:50:47
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267
Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:Elemen...
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其他好文 时间:
2014-10-25 21:24:42
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256
属于中规中矩的dp。和unique paths类似。一次ac。但是可以通过滚动数组来节省存储空间。 1 #include 2 #include 3 #include 4 using namespace std; 5 6 class Solution { 7 public: 8 int...
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其他好文 时间:
2014-10-25 21:19:04
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244
Write a program to solve a Sudoku puzzle by filling the empty cells.
Empty cells are indicated by the character '.'.
You may assume that there will be only one unique solution.
A sudoku...
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其他好文 时间:
2014-10-25 17:27:41
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232
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where
the candidate numbers sums to T.
Each number in C may only be used once in the combina...
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其他好文 时间:
2014-10-25 14:34:02
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163
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where
the candidate numbers sums to T.
The same repeated number may be chosen from C unlimited numb...
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其他好文 时间:
2014-10-25 11:56:08
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206
看到文章里的同学留言说到unique_ptr,这两天看了一下cplusplus提供的reference才知道这个东西是c++11的新特性,对c++11的新特性不是很了解,花时间了解了下unique_ptr,之前有写过auto_ptr的分析,这里就和auto_ptr对比下来看。unique_ptr.....
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其他好文 时间:
2014-10-25 10:28:05
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1948
primary key: 1、主键不可以有空值。 2、不可以有重复行。unique : 1、可以有空行。 2、不可以有重复行。clustered index: 1、可以有重复行。 2、可以有空行。 3、如果指定的列不unique 它会再加一个标志列以使索引变得唯一。
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数据库 时间:
2014-10-24 22:10:24
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260
A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point ...
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其他好文 时间:
2014-10-24 18:08:30
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125
Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obstacle and empty space i...
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其他好文 时间:
2014-10-24 18:07:56
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170