import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigDecimal;

public class Main {
	
	public static void main(String[] args) {
		BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));
		String inputStr = "";
		try {
			while((inputStr = cin.readLine()).length() > 0) {
				System.out.println();
				BigDecimal r = new BigDecimal(inputStr.substring(0, 6).trim());
				int n = Integer.parseInt(inputStr.substring(7).trim());
				if(r.compareTo(new BigDecimal("0")) == 0) {
					System.out.print(0);
					continue;
				}
				String str = r.pow(n).toPlainString();
				if(str.charAt(0) == '0' && str.indexOf('.') >= 0) {
					str = str.substring(1);
				}
				while(str.charAt(str.length() - 1) == '0') {
					str = str.substring(0, str.length() - 2);
				}
				System.out.print(str);
			}
		} catch (NumberFormatException e1) {
			e1.printStackTrace();
		} catch (IOException e1) {
			e1.printStackTrace();
		}
		try {
			cin.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
}

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• Re:求助！Java写的，总是Runtime Error (1198) qq609248709 2010-08-10 12:09:38