HDOJ 1002 A + B Problem II

原创 陈 浩翔  2016-02-02 05:18  阅读 21 次

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 = 3

Case 2:
112233445566778899 + 998877665544332211 = 1111111111111111110

import java.math.BigDecimal;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int t=1;
        while(n-->0){
            if(t==1){
            }else{
                System.out.println();
            }
            BigDecimal a = sc.nextBigDecimal();
            BigDecimal b = sc.nextBigDecimal();
            BigDecimal c = a.add(b);
            System.out.println("Case "+t+":");
            System.out.println(a+" + "+b+" = "+c);
            t++;
        }
    }

}

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