Problem 1007

Problem 1007

Time Limit: 1 Sec Memory Limit: 128 MB

Submit: 7 Solved: 1

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Description

题目描述更简单，直接看输入输出要求即可,数字位数不超过150位

Input

每组测试数组，输入一行两个数，a，b。

Output

每组输出一个数为 a*b的结果

Sample Input

1 3

1000000000000000000 2

1.5 3

0.5 3

3 0.5

Sample Output

3

2000000000000000000

4.5

1.5

1.5

标程：

import java.util.Scanner;

import java.math.*;

public class Main {

/**

* @param args the command line arguments

*/

public static void main(String[] args) {

Scanner in = new Scanner ( System.in );

BigDecimal num,num2;

while ( in.hasNext() ){

num = in.nextBigDecimal();

num2 = in.nextBigDecimal();

num = num.multiply(num2);

num = num.stripTrailingZeros();

String out = num.toPlainString();

//if ( out.charAt(0) == '0' )

//out = out.substring(1);

System.out.println( out );

}

}

}