Java大數加法 HDU1002

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 1 import java.math.*; 2 import java.util.Scanner; 3  4  5 public class Main{ 6     public static void main(String[] args){ 7         BigInteger a,b; 8         int n; 9         BigInteger ans;10         Scanner cin = new Scanner(System.in);11         n=cin.nextInt();12         a=cin.nextBigInteger();13         b=cin.nextBigInteger();14         ans=a.add(b);15         System.out.println("Case 1:");16         System.out.println(a+" + "+b+" = "+ans);17         for(int i=2;i<=n;i++)18         {19             a=cin.nextBigInteger();20             b=cin.nextBigInteger();21             ans=a.add(b);22             System.out.println();23             System.out.println("Case "+i+":");24             System.out.println(a+" + "+b+" = "+ans);25         }26     }27 }

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Java大數加法 HDU1002