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Everybody knows any number can be combined by the prime number. Now, your task is telling me what position of the largest prime factor. The position o
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posted @ 2017-08-04 15:48
zhber
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The least common multiple (LCM) of a set of positive integers is the smallest positive integer which is divisible by all the numbers in the set. For e
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posted @ 2017-08-04 15:45
zhber
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A Compiler Mystery: We are given a C-language style for loop of type for (variable = A; variable != B; variable += C) statement; I.e., a loop which st
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posted @ 2017-08-04 15:42
zhber
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Everybody in the Prime Land is using a prime base number system. In this system, each positive integer x is represented as follows: Let {pi}i=0,1,2,..
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posted @ 2017-08-04 15:37
zhber
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Given a sequence of consecutive integers n,n+1,n+2,...,m, an anti-prime sequence is a rearrangement of these integers so that each adjacent pair of in
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posted @ 2017-08-04 15:35
zhber
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A prime number is a counting number (1, 2, 3, ...) that is evenly divisible only by 1 and itself. In this problem you are to write a program that will
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posted @ 2017-08-04 15:32
zhber
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In 1742, Christian Goldbach, a German amateur mathematician, sent a letter to Leonhard Euler in which he made the following conjecture: Every even num
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posted @ 2017-08-04 15:29
zhber
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For any even number n greater than or equal to 4, there exists at least one pair of prime numbers p1 and p2 such that n = p1 + p2 This conjecture has
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posted @ 2017-08-04 15:27
zhber
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The sequence of n − 1 consecutive composite numbers (positive integers that are not prime and not equal to 1) lying between two successive prime numbe
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posted @ 2017-08-04 15:24
zhber
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We say that x is a perfect square if, for some integer b, x = b 2. Similarly, x is a perfect cube if, for some integer b, x = b 3. More generally, x i
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posted @ 2017-08-04 15:22
zhber
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Ms. Iyo Kiffa-Australis has a balance and only two kinds of weights to measure a dose of medicine. For example, to measure 200mg of aspirin using 300m
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posted @ 2017-08-04 15:15
zhber
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Two positive integers are said to be relatively prime to each other if the Great Common Divisor (GCD) is 1. For instance, 1, 3, 5, 7, 9...are all rela
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posted @ 2017-08-04 15:10
zhber
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Description 两只青蛙在网上相识了，它们聊得很开心，于是觉得很有必要见一面。它们很高兴地发现它们住在同一条纬度线上，于是它们约定各自朝西跳，直到碰面为止。可是它们出发之前忘记了一件很重要的事情，既没有问清楚对方的特征，也没有约定见面的具体位置。不过青蛙们都是很乐观的，它们觉得只要一直朝着某
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posted @ 2017-08-04 14:54
zhber
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