hdoj 1002 A + B Problem II 大数
发布时间：2021-05-29 01:43:57 所属栏目：大数据 来源：网络整理
导读：A + B Problem II Time Limit: 2000/1000 MS (Java/Others)????Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 302658????Accepted Submission(s): 58410 Problem Description I have a very simple problem for you. Given two integers
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A + B Problem IITime Limit: 2000/1000 MS (Java/Others)????Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 302658????Accepted Submission(s): 58410 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 = 2222222222222221110? Author Ignatius.L ? Recommend We have carefully selected several similar problems for you:?? 1004? 1003? 1008? 1009? 1020 import java.util.*;//输入的库
import java.math.*;//大数时用的库
import java.io.*;
public class Main {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner in = new Scanner(System.in);
BigInteger a;//大数标准定义格式
BigInteger b;
int n,i;
n=in.nextInt();
for(i=1;i<=n;i++)
{
a=in.nextBigInteger();
b=in.nextBigInteger();
System.out.println("Case "+i+":");
System.out.println(a +" + "+b +" = "+a.add(b));
if(i!=n)
System.out.println();
}
}
}
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