acm hdu p1402 A * B Problem Plus 水題

A * B Problem Plus

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 15027    Accepted Submission(s): 2907

Problem Description

Calculate A * B.

 

Input

Each line will contain two integers A and B. Process to end of file.

Note: the length of each integer will not exceed 50000.

 

Output

For each case, output A * B in one line.

 

Sample Input

1 2 1000 2

 

Sample Output

2 2000

此題用java中的最大精度  既可以求解

package HDU;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Scanner;
public class p1402 {
	public static void main(String[] args) {
       Scanner sc=new Scanner(System.in);
       while(sc.hasNext()){
    	  BigDecimal a=sc.nextBigDecimal();
    	  BigDecimal b=sc.nextBigDecimal();
    	   
    	   System.out.println(a.multiply(b));
       }
	}

}