Given a collection of numbers, return all
possible permutations.For example,[1,2,3]have the following
permutations:[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,...
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其他好文 时间：
2014-05-27 02:42:35
阅读次数：
202
Questin：There is an array A[N] of N numbers.
You have to compose an array Output[N] such that Output[i] will be equal to
multiplication of all the ele...
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其他好文 时间：
2014-05-23 23:48:14
阅读次数：
429
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Terrible Sets
Time Limit: 1000MS
Memory Limit: 30000K
Total Submissions: 2999
Accepted: 1549
Description
Let N be the set of all natural numbers {0 , 1 , 2 , . . . ...
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其他好文 时间：
2014-05-22 09:52:10
阅读次数：
283
【题目】
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 puzzle...
...and its solution numbers marked in red.
...
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其他好文 时间：
2014-05-20 17:07:34
阅读次数：
335
Combination Sum IGiven a set of candidate
numbers (C) and a target number (T), find all unique combinations in C where the
candidate numbers sums to T...
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其他好文 时间：
2014-05-19 16:41:14
阅读次数：
269
题目链接Given two numbers represented as strings,
return multiplication of the numbers as a string.Note: The numbers can be
arbitrarily large and are non-...
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其他好文 时间：
2014-05-19 14:10:25
阅读次数：
250
题目链接 You are given two linked lists representing
two non-negative numbers. The digits are stored in reverse order and each of
their nodes contain a si...
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其他好文 时间：
2014-05-19 13:53:32
阅读次数：
296
You are given two linked lists representing two
non-negative numbers. The digits are stored in reverse order and each of their
nodes contain a single ...
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其他好文 时间：
2014-05-19 12:05:23
阅读次数：
386
【题目】
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.
If such arrangement is not possible, it must rearrange it as the lowest possible order (ie, sorted in ascending order).
The replac...
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其他好文 时间：
2014-05-18 09:54:53
阅读次数：
242
Problem Description
For a decimal number x with n digits (AnAn-1An-2 ... A2A1), we define its weight as F(x) = An * 2n-1 + An-1 * 2n-2 + ... + A2 * 2 + A1 *
1. Now you are given two numbers A and...
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其他好文 时间：
2014-05-18 06:35:50
阅读次数：
300
