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PAT1059. Prime Factors
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 Specif...
分类:其他好文   时间:2015-02-21 11:59:24    阅读次数:182
中山大学校队内部选拔赛试题3.1【Factorial Factors】--------2015年2月9日
一:题目大意当给定一个数时,先求出它的所有因子N1,N2······Nk,然后求出它的因子对应的因子的个数n1,n2·····nk,并求出最终结果S=n1^3+n2^3+n3^3+·····+nk^3.二:题目分析本题的数据范围是N#includeusing namespace std;int is...
分类:其他好文   时间:2015-02-09 22:54:04    阅读次数:135
1059. Prime Factors (25)
时间限制50 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者HE, QinmingGiven any positive integer N, you are supposed to find all of its prime factors, and write ...
分类:其他好文   时间:2015-02-08 00:17:46    阅读次数:186
UVa 136 - Ugly Numbers
Ugly NumbersUgly numbers are numbers whose only prime factors are 2, 3 or 5. The sequence1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, ...shows the first 11 ugl...
分类:其他好文   时间:2015-02-06 12:48:40    阅读次数:217
欧拉计划(python) problem 3
Problem 3 The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? python code: import math sqrt=math.sqrt def func(x):     ...
分类:编程语言   时间:2015-01-26 21:07:23    阅读次数:216
LintCode-Kth Prime Number.
Design an algorithm to find the kth number such that the only prime factors are 3, 5, and 7.The eligible numbers are like 3, 5, 7, 9, 15 ...ExampleIf ...
分类:其他好文   时间:2014-12-25 08:43:45    阅读次数:240
UVA 160 - Factors and Factorials
Factors and FactorialsThe factorial of a numberN(writtenN!) is defined as the product of all the integers from 1 toN. It is often defined recursively ...
分类:其他好文   时间:2014-12-07 21:43:49    阅读次数:219
Ugly Numbers(POJ1338)(丑数,技巧性强)
Ugly Numbers Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 20851   Accepted: 9248 Description Ugly numbers are numbers whose only prime factors are 2, 3 or...
分类:其他好文   时间:2014-12-01 01:12:44    阅读次数:196
6=1+2+3,因此6是"完数"
//题目描述//一个数如果恰好等于它的因子之和,这个数就称为"完数"。 例如,6的因子为1、2、3,而6=1+2+3,因此6是"完数"。 编程序找出N之内的所有完数,并按下面格式输出其因子:////输入//N////输出//? its factors are ? ? ?#includeint mai...
分类:其他好文   时间:2014-11-23 23:04:16    阅读次数:190
1059. Prime Factors (25)
注意n=n这种情况// 1059.cpp : 定义控制台应用程序的入口点。//#include#include#include#includeusing namespace std;queue prime;vector > col;void printElem(const pair it){ ...
分类:其他好文   时间:2014-11-23 18:45:12    阅读次数:168
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