HDU 1063大数求幂运算

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 1 import java.util.*;
 2 import java.math.*;
 3 import java.io.*;
 4 
 5 public class Hdu1063{//提交时名字改为Main
 6   public static void main(String args[]){
 7     int n;
 8     BigDecimal R,res;
 9     String str;
10     Scanner cin = new Scanner(System.in);
11     
12     while(cin.hasNext()){
13      R = cin.nextBigDecimal();
14      n = cin.nextInt();
15      res = R.pow(n);
16      
17      str = res.stripTrailingZeros().toPlainString(); 
18      if(str.charAt(0) == '0')
19        System.out.println(str.substring(1));
20      else
21        System.out.println(str);  
22     }
23     
24   }
25  } 
posted @ 2012-09-04 19:23  zhongya  阅读(345)  评论(0编辑  收藏  举报