1490: Log Calculator
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：1
解决：1
题目描述
输入
The first line of the input contains an integer T(T≤100), indicating the number of test cases. Each test case contains two float numbers: a, b(-10^10000≤a,b≤10^10000), indicating and respectively.
输出
For each test case, print a line containing the test case number (beginning with 1) and the required result. Because of the result may be an irrational number, so you just need to print the result with 9 digits of precision, round half up.
样例输入 复制
2
1 1
0 0样例输出 复制
Case 1: 2.000000000
Case 2: 1.000000000提示
FZU 2036 http://acm.fzu.edu.cn/problem.php?pid=2036