Write a program to check whether a given number is an ugly number.Ugly numbers are positive numbers whose prime factors only include2, 3, 5. For examp...
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其他好文 时间：
2015-08-19 10:35:55
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91
1096. Consecutive Factors (20)Among all the factors of a positive integer N, there may exist several consecutive numbers. For example, 630 can be fact...
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其他好文 时间：
2015-08-18 14:01:37
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134
Distinct primes factors
Problem 47
The first two consecutive numbers to have two distinct prime factors are:14 = 2 × 7
15 = 3 × 5The first three consecutive numbers to have three distinct prime fact...
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2015-08-15 21:36:32
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233
DescriptionA number whose only prime factors are 2,3,5 or 7 is called a humble number. The sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18,...
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其他好文 时间：
2015-08-15 10:11:34
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161
1059. Prime Factors (25)Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1^k1* p2^k2...
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其他好文 时间：
2015-08-12 23:16:27
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130
题目：Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1^k1 * p2^k2 *...*pm^km.输入描述:Eac...
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其他好文 时间：
2015-08-10 21:47:15
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170
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Ugly Numbers
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 21867
Accepted: 9767
Description
Ugly numbers are numbers whose only prime factors are 2, 3 ...
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其他好文 时间：
2015-08-05 20:26:01
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151
Ugly NumbersTime Limit:1000MSMemory Limit:10000KTotal Submissions:20294Accepted:9018DescriptionUgly numbers are numbers whose only prime factors are 2...
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其他好文 时间：
2015-07-27 10:37:39
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99
题目如下：
Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1^k1 * p2^k2 *…*pm^km.
Input Specification:
Each input file contai...
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其他好文 时间：
2015-07-26 14:18:45
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124
称号：发现没有比给定数量少n的。只要2，3一个因素的数字组成。分析：数论。贪婪，分而治之。 用两个三分球，分别代表乘法2，和繁殖3队列，队列产生的数字，原来{1}。 然后。每取两个指针相应元素*2和*3的值中最小的即为未找到的数字中最小的； 注意，可能生成反复数据。不要...
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其他好文 时间：
2015-07-17 17:39:16
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255
