(高精度幂,去前导零和尾部零)Exponentiation -- HDOJ
来源:互联网 发布:阿里云系统usb调试 编辑:程序博客网 时间:2024/06/03 21:58
Exponentiation
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 you write a program to compute the exact value of Rn where R is a real number ( 0.0 < R < 99.999 ) and n is an integer such that 0 < n <= 25.
Input
The input will consist of a set of pairs of values for R and n. The R value will occupy columns 1 through 6, and the n value will be in columns 8 and 9.
Output
The output will consist of one line for each line of input giving the exact value of R^n. Leading zeros should be suppressed in the output. Insignificant trailing zeros must not be printed. Don’t print the decimal point if the result is an integer.
Sample Input
95.123 12
0.4321 20
5.1234 15
6.7592 9
98.999 10
1.0100 12
Sample Output
548815620517731830194541.899025343415715973535967221869852721
.00000005148554641076956121994511276767154838481760200726351203835429763013462401
43992025569.928573701266488041146654993318703707511666295476720493953024
29448126.764121021618164430206909037173276672
90429072743629540498.107596019456651774561044010001
1.126825030131969720661201
Source
East Central North America 1988
Recommend
PrincetonBoy
总结:
类名一定要是 Main
stripTrailingZeros()、pow、toPlainString、substring方法的应用
java也是Ctrl+Z 结束输入
import java.math.BigDecimal;import java.util.Scanner;public class Main { public static void main(String[] args) { Scanner cin = new Scanner(System.in); while(cin.hasNext()) { BigDecimal ans = cin.nextBigDecimal(); int n = cin.nextInt(); String res = ans.pow(n).stripTrailingZeros().toPlainString(); if(res.startsWith("0")) { res = res.substring(1); } System.out.println(res); } }}
- (高精度幂,去前导零和尾部零)Exponentiation -- HDOJ
- 求高精度幂,Java BigDecimal 去前导零和后导零
- ABAP 去前导零/加前导零
- 高精度运算类bign(支持前导零输入)
- 前导零
- 去char数组大整数的前导零
- 如何去掉前导零
- 去除前导零
- HDOJ 1063 Exponentiation(小数高精度)
- 题目:尾部的零
- LintCode 尾部的零
- LintCode_尾部的零
- 尾部的零
- 统计n!尾部零
- lintcode ---- 尾部的零
- 尾部的零
- 尾部的零
- LintCode_2_尾部的零
- BZOJ 3038: 上帝造题的七分钟2
- C# 调用C++回调函数
- 18.play依赖管理
- jquery 复制插件
- gulp-写一份gulp常用配置文件,构建前端工作流
- (高精度幂,去前导零和尾部零)Exponentiation -- HDOJ
- Java进阶之路
- word文档快速选择技巧
- String字符串
- oracle sql
- 自动化运维开发平台 ELVES
- POJ 2117 Electricity(割点应用的模板题)
- 数据转换
- APP测试与WEB测试的区别?