题目: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], ...
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编程语言 时间:
2014-07-30 09:58:03
阅读次数:
218
Noldbach problem
time limit per test
2 seconds
memory limit per test
64 megabytes
input
standard input
output
standard output
Nick is interested in prime numbers. Once h...
分类:
数据库 时间:
2014-07-30 01:07:23
阅读次数:
308
Palindromes
A regular palindrome is a string of numbers or letters that is the same forward as backward. For example, the string "ABCDEDCBA" is a palindrome because it is the same when t...
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其他好文 时间:
2014-07-29 21:57:12
阅读次数:
308
1. 为什么用string::size_type而不是int?--Why usestring::size_type?intis supposed to work! it holds numbers!--A short holds numbers too. So does a signed char....
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编程语言 时间:
2014-07-29 17:37:52
阅读次数:
278
Given a string s, partition s such that every substring of the partition is a palindrome.Return the minimum cuts needed for a palindrome partitioning ...
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其他好文 时间:
2014-07-29 13:43:58
阅读次数:
223
??
Description
Keeping track of all the cows can be a tricky task so Farmer John has installed a system to automate it. He has installed on each cow an electronic ID tag that the system will read ...
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其他好文 时间:
2014-07-29 13:22:46
阅读次数:
212
这两天去学了一下,觉得下面那篇文章写的很好,有例子,比较容易懂,所以转一下。以下内容来自:hihoCoder:小Hi和小Ho是一对好朋友,出生在信息化社会的他们对编程产生了莫大的兴趣,他们约定好互相帮助,在编程的学习道路上一同前进。这一天,他们遇到了一连串的字符串,于是小Hi就向小Ho提出了那个经典...
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其他好文 时间:
2014-07-29 12:41:26
阅读次数:
292
解法:比较简单,用plus表示进位 1 /** 2 * Definition for singly-linked list. 3 * struct ListNode { 4 * int val; 5 * ListNode *next; 6 * ListNode(in...
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其他好文 时间:
2014-07-29 10:53:06
阅读次数:
273
题目:DescriptionYou've decided to carry out a survey in the theory of prime numbers. Let us remind you that a prime number is a positive integer that ha...
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其他好文 时间:
2014-07-29 10:25:58
阅读次数:
395
Given a string s, partition s such that every substring of the partition is a palindrome.Return all possible palindrome partitioning of s.For example,...
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其他好文 时间:
2014-07-28 19:17:14
阅读次数:
245