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HDU 1405 The Last Practice 数学水题

http://acm.hdu.edu.cn/showproblem.php?pid=1405 题目大意: 给你一个数,让你分解素因子,输出它的各次幂. 如60 输出:2 2 3 1 5 1 (60=2^2*3^1*5^1) 思路: 先筛选出素数,然后除以每个素数,看看有几个.. 注意格式坑爹,每次幂之后都要有空格.PE了 还有就是是以负数结束输入.我看样例直接以为是-1,WA了... 再次就是HDU晚上作死,一直都是Queuing状态. #include<cstdio> #include<…

HDU 1405 The Last Practice

The Last Practice Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9226    Accepted Submission(s): 1960 Problem Description Tomorrow is contest day, Are you all ready?We have been training for 45…

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hdoj 1405 The Last Practice

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HDU 1405

题意: 输入一个数n,输出它的素因子与这个素因子出现的次数. 分析: 用欧拉函数,变下形就好了,不再过多解释. 代码如下: #include <iostream> #include <cstdio> #include <cstring> #include <fstream> #include <ctime> #include <cmath> #include <cstdlib> #include <algorithm…

hdu 1096 A+B for Input-Output Practice (VIII)

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