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[leetcode]Longest Consecutive Sequence @ Python
原题地址:https://oj.leetcode.com/problems/longest-consecutive-sequence/题意:Given an unsorted array of integers, find the length of the longest consecutive ...
分类:编程语言   时间:2014-06-06 23:13:20    阅读次数:324
swift笔记1-点语法
var firstForLoop = 0for i in 0...3 { firstForLoop += i i}firstForLoop1 两个点代表是左闭右开 即0,1,22 三个点代表全集合 即0,1,2,3func sumOf(numbers: Int...) -> Int { ...
分类:其他好文   时间:2014-06-06 13:57:57    阅读次数:196
POJ2109——Power of Cryptography
Power of CryptographyDescriptionCurrent work in cryptography involves (among other things) large prime numbers and computing powers of numbers among t...
分类:其他好文   时间:2014-06-04 16:27:41    阅读次数:248
百度之星2014复赛 - 1001 - Find Numbers
先上题目:Find NumbersTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 26Accepted Submission(s): 20Spec...
分类:其他好文   时间:2014-06-02 17:15:22    阅读次数:267
Amicable numbers -- Javascript 实现
问题描述: Let d(n) be defined as the sum of proper divisors of n (numbers less than n which divide evenly into n). If d(a) = b and d(b) = a, where a  b, then a and b are an amicable pair and each ...
分类:编程语言   时间:2014-06-02 12:31:42    阅读次数:298
LeetCode: Add Two Numbers 题解
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 ...
分类:其他好文   时间:2014-06-01 17:05:44    阅读次数:296
【leetcode】Permutations
问题: 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], [3,1,2], and [3,2,1]. 分析: ...
分类:其他好文   时间:2014-06-01 15:04:42    阅读次数:259
POJ 3579- Median
?? Description Given N numbers, X1, X2, ... , XN, let us calculate the difference of every pair of numbers: ∣Xi - Xj∣ (1 ≤ i < j ≤ N). We can get C(N,2) differences through this work, and no...
分类:其他好文   时间:2014-06-01 14:07:56    阅读次数:347
【leetcode】Permutations II
问题: Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example, [1,1,2] have the following unique permutations: [1,1,2], [1,2,1], and...
分类:其他好文   时间:2014-06-01 13:03:12    阅读次数:324
poj 3252 Round Numbers
题目链接:http://poj.org/problem?id=3252题意:给出一个二进制区间,求出0的个数不小于1的个数这样的二进制个数解法:数位DP,定义状态dp[len][num_zero][num_one],num_zero 定义为写0的个数。 1 #include 2 #include 3...
分类:其他好文   时间:2014-06-01 12:06:33    阅读次数:191
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