Problem Description Problems involving the computation of exact values of very large magnitude and precision are common. For example, the computation of the national debt is a taxing experience for many computer systems. This problem requires that yo…

//大数继续,额,要吐了. Problem Description Problems involving the computation of exact values of very large magnitude and precision are common. For example, the computation of the national debt is a taxing experience for many computer systems.  This problem r…

求实数的幂,这个用C++写的话有点长,但是用Java写就非常方便了…… );            System.out.println(an);        }    }}…

Exponentiation Time Limit: 1000/500 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6973    Accepted Submission(s): 1975 Problem Description Problems involving the computation of exact values of very large magnitude…

分析:大实数乘方计算. #include<iostream> #include<string> using namespace std; struct BigReal //高精度实数 { int len; //长度 int num[10000]; int point; //小数点位置 BigReal() { len=1; point=0; memset(num,0,sizeof(num)); } }; bool Read(BigReal& a) //读入一个大实数 { st…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1063 思路:最近刚学了java,然后就迫不及待想试试java写大数的好处了,呵呵,果然是很方便啊! import java.math.BigDecimal; import java.util.*; import java.io.*; public class Main { public static void main(String[] args){ Scanner cin=new Scanner(…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5047 解题报告:问一个“M”型可以把一个矩形的平面最多分割成多少块. 输入是有n个“M",现在已经推出这个公式应该是8 * n^2 - 7 * n + 1,但是这个n的范围达到了10^12次方,只要平方一次就超出long long  的范围了,怎么办呢,用大数? 都试过了,很奇怪,会超时,按照估算的话感觉不会,可能是中间结果比较大吧,这个还在思考,但是10^12平方一次乘以八也只达到了10^25次方…

一. 题目 Exponentiation Time Limit: 500MS   Memory Limit: 10000K Total Submissions: 156373   Accepted: 38086 Description Problems involving the computation of exact values of very large magnitude and precision are common. For example, the computation of…

题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1715 大菲波数 Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 22523    Accepted Submission(s): 8096 Problem Description Fibonacci数列,定义如下:f(1)=f(2)=1f(…

曾经有一位国王,统治着一片未名之地.他膝下有三个女儿. 三个女儿中最年轻漂亮的当属Psyche.她的父亲不确定她未来的命运,于是他来到Delphi神庙求神谕. 神谕可以看作一个不含前导零的正整数n n n. 为了得到真正的预言,他可以将n n n的各个数位重新排列,并将其分成两个不含前导零的正整数. 请你帮助他求出这两个正整数最大的和.如果不存在这样的两个正整数,输出"Uncertain". 用getchar可以一个数字一个地读入,对于一个十进制数,最多就是10个数字,使用计数可以很方…