HDU1002
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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
package com.hdu;import java.math.BigInteger;import java.util.ArrayList;import java.util.List;import java.util.Scanner;//A + B Problem II 1002public class BigIntegerAB { public static void main(String [] args){ Scanner input = new Scanner(System.in); List list = new ArrayList(); int num = input.nextInt(); input.nextLine(); while(num > 0){ BigInteger bigA = new BigInteger(input.next()); BigInteger bigB = new BigInteger(input.next()); BigInteger sum = bigA.add(bigB); list.add(bigA+" + "+bigB+" = "+sum); num -- ; } for (int i = 0; i <list.size(); i++){ if(i == list.size()-1){ System.out.println("Case "+(i+1)+":"); System.out.println(list.get(i)); }else{ System.out.println("Case "+(i+1)+":"); System.out.println(list.get(i)); System.out.println(); } } }}
这个题目就是大数,没有逻辑。就是输出格式很恶心:
1.注意case的c是大写。
2.case后面有一个冒号。
3.两个case之间要空行,最后一个case不要留空行。
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