Problem Description
I have a very simple problem for you. Given two integers A and B,your job is to calculate the Sum of A + B.
Input
The first line of the input contains an integer T(1<=T<=20) which means the number of test cases. Then T lines follow,each line consists of two positive integers,A and B. Notice that the integers are very large,that means you should not process them by using 32-bit integer. You may assume the length of each integer will not exceed 1000.
Output
For each test case,you should output two lines. The first line is "Case #:",# means the number of the test case. The second line is the an equation "A + B = Sum",Sum means the result of A + B. Note there are some spaces int the equation. Output a blank line between two test cases.
Sample Input
2 1 2 112233445566778899 998877665544332211
Sample Output
Case 1: 1 + 2 = 3Case 2: 112233445566778899 + 998877665544332211 = 1111111111111111110import java.util.*; import java.math.*; public class Main3 { public static void main(String[] args) { Scanner sc=new Scanner(system.in); int t=Integer.parseInt(sc.next()); for(int i=0;i<t;i++){ BigInteger a=new BigInteger(sc.next()); BigInteger b=new BigInteger(sc.next()); BigInteger c=a.add(b); System.out.println("Case "+(i+1)+":"); System.out.println(a+" "+"+"+" "+b+" "+"="+" "+c); if(i!=t-1) System.out.println(); } } }
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