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uva 755
题目 Businesses like to have memorable telephone numbers. One way to make a telephone number memorable is to have it spell a memorable word or phrase. For example, you can call the University of Wa...
分类:其他好文   时间:2014-08-21 15:22:24    阅读次数:237
快速寻找满足条件的两个数
《编程之美》里的一个题目:能否快速找出一个数组中的两个数字,让这两个数字之和等于一个给定的值,假设这个数组中肯定存在至少一组符合要求的解。 LeetCode的题目: Given an array of integers, find two numbers such that they add up ...
分类:其他好文   时间:2014-08-21 14:45:44    阅读次数:186
projecteuler---->problem=30----Digit fifth powers
Problem 30 Surprisingly there are only three numbers that can be written as the sum of fourth powers of their digits: 1634 = 14 + 64 + 34 + 44 8208 = 84 + 24 + 04 + 84 9474 = 94 + 44 + 74 + 44...
分类:其他好文   时间:2014-08-21 09:48:04    阅读次数:251
Sending SMS And Dialing Numbers without User Consent(Context is not needed)
Sending SMS And Dialing Numbers without User ConsentSending SMS does not require context or user interaction. A simple call does the job, as shown in ...
分类:其他好文   时间:2014-08-21 09:44:43    阅读次数:170
C#中linq
class IntroToLINQ{ static void Main() { // The Three Parts of a LINQ Query: // 1. Data source. int[] numbers = n...
分类:其他好文   时间:2014-08-21 01:28:53    阅读次数:207
Decode Ways
A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message con...
分类:其他好文   时间:2014-08-20 20:56:53    阅读次数:231
UVA - 11038 How Many O's? (计数)
Description Problem E: How many 0's? A Benedict monk No. 16 writes down the decimal representations of all natural numbers between and including m and n, m ≤ n. How many 0's will he write down? ...
分类:其他好文   时间:2014-08-20 19:42:02    阅读次数:224
UVA - 11461 Square Numbers
A squarenumber is an integer number whose square root is also an integer. For example1, 4, 81 are some square numbers. Given two numbers a and b you will have tofind out how many square numbers are th...
分类:其他好文   时间:2014-08-20 16:28:22    阅读次数:151
【Leetcode】Next Permutation
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not possibl...
分类:其他好文   时间:2014-08-20 14:06:22    阅读次数:163
[LeetCode] Multiply Strings
Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large and are non-nega...
分类:其他好文   时间:2014-08-20 11:57:22    阅读次数:198
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