6256: Eming
内存限制:128 MB
时间限制:1.000 S
评测方式:文本比较
命题人:
提交:2
解决:2
题目描述
Eming is a contest hold by WHUACM training team. The aim is to select new members of the team.
Usually, the first problem is a very simple problem such as “a+b problem”. But this time, Xioumu is tired of this kind of problem, he decide to solve “a and b problem”.
Give you the result of a + b and a^2 – b^2, please output the result of a and b.
输入
There are several test cases. For each case there are two double numbers indicating a+b and a^2-b^2. You may assume that a+b will not be zero.
输出
For each case please output the result of a and b in one line, rounded to 2 decimal places.
样例输入 复制
3 -3
样例输出 复制
1.00 2.00