Problem H{sum+=i++} to Reach NInput:standard inputOutput:standard outputMemory Limit:32 MBAll the positive numbers can be expressed as a sum of one, t...
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其他好文 时间：
2014-08-30 16:21:39
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149
Dilu have learned a new thingabout integers, which is - any positive integer greater than 1 can be divided byat least one prime number less than or equal to that number. So, he is nowplaying with this...
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2014-08-29 22:45:39
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366
problem: given an array of integers including positive and negative, a target value. find 2 numbers in the array such that the sum of the 2 numbers is...
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2014-08-27 03:53:57
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227
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=2993Problem DescriptionConsider a simple sequence which only contains positive integers as a1, a2 ... a...
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2014-08-27 01:34:37
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335
Description
a program that, given a natural number N between 0 and 4999 (inclusively), and M distinct decimal digits X1,X2..XM (at least one), finds the smallest strictly positive multiple of N that ...
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2014-08-26 21:34:06
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342
Alice and Bob is playing a game, and this time the game is all about the absolute value!
Alice has N different positive integers, and each number is not greater than N. Bob has a lot of blank paper, ...
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2014-08-26 15:37:46
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228
题目链接The problem is quite simple. You're given a number N and a positive integer K. Tell if N can be represented as a sum of K prime numbers (not neces...
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2014-08-25 13:19:04
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270
Little Hasan loves to play number games with his friends.One day they were playing a game where one of them will speak out a positive numberand the others have to tell the sum of its factors. The firs...
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2014-08-25 11:57:04
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235
Goffi and Squary Partition
Problem Description
Recently, Goffi is interested in squary partition of integers.A set X of k distinct positive integers is called squary partition of n if and ...
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2014-08-25 11:52:45
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208
Given an unsorted integer array, find the first missing positive integer.For example, Given [1,2,0] return 3, and [3,4,-1,1] return 2.Your algorithm s...
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其他好文 时间：
2014-08-24 20:47:42
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214
