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Description
The problem is to multiply two integers X, Y. (0<=X,Y<10250)
Input
The input will consist of a set of pairs of lines. Each line in pair contains one multiplyer.
Output
For each input pair of lines the output line should consist one integer the product.
Sample Input
12 12 2 222222222222222222222222
Sample Output
144 444444444444444444444444
大数乘法 java大法好
1 import java.math.BigInteger; 2 import java.util.Scanner; 3 class Main 4 { 5 public static void main(String[] args) 6 { 7 BigInteger[] a=new BigInteger[5]; 8 Scanner input = new Scanner(System.in); 9 while(input.hasNext()) 10 {a[1]= input.nextBigInteger(); 11 a[2]= input.nextBigInteger(); 12 System.out.println(a[1].multiply(a[2])); 13 } 14 } 15 }
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原文地址：http://www.cnblogs.com/hsd-/p/5259524.html
