1001:Exponentiation3
2018-05-03 本文已影响0人
Lairai
import java.math.BigDecimal;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while (true) {
BigDecimal decimal = scanner.nextBigDecimal();
//OMG I love JAVA!
int e = scanner.nextInt();
decimal = decimal.pow(e);
String s = decimal.stripTrailingZeros().toPlainString();
//toPlainString:非科学记数法
//去掉前导0
if (s.startsWith("0."))
System.out.println(s.substring(1));
else
System.out.println(s);
if (!scanner.hasNext()) break;
}
}
}