题目描述
Problem Background
A magical story of commerce...
(Friendly reminder: Pay attention to the time limit!)
Problem Description
LiM owns a handmade pastry shop, which has accumulated $P$ regular customers (where $P$ is a prime number) due to its affordable and delicious pastries.
Every time the shop introduces a New Product, it makes many of them, and these $P$ customers all support the new product by:
Buying the same quantity from each person, and the total quantity should be as large as possible.
The shop has $B$ workers, who can produce $A$ times the quantity already produced in one minute.
(Note: Initially, there is one already-made New Product used as a sample for production.)
After production is complete and the purchase (considering only regular customers) is finished:
To consider the workers, there should be exactly $B$ left at the end.
Given the known conditions, please help LiM calculate the minimum amount of time needed to work!
Input Format
There are $T+1$ lines in total.
The first line contains a number $T$, indicating that there are $T$ New Products to be introduced.
Lines $2$ to $T+1$ each contain three numbers $P$, $A$, and $B$, with meanings as described in the problem.
Output Format
For each New Product:
If it is possible to achieve (it might not be possible), output the minimum number of minutes worked.
If it is not possible, output Couldn't Produce!.
Sample Input and Output
Sample Input #1
1
5 2 3
Sample Output #1
3
Sample Input #2
1
2 2 2
Sample Output #2
Couldn't Produce!
Notes
Sample 1 Explanation:
There are $5$ regular customers, who can produce $2$ times the already produced quantity in one minute, and there are $3$ workers.
The minimum time required is $3$ minutes (producing $2^3=8$ units) to meet the requirements.
Sample 2 Explanation:
There are $2$ regular customers, who can produce $2$ times the already produced quantity in one minute, and there are $2$ workers.
Since no matter how long it takes, there will be $0$ units left, the output is Couldn't Produce!.
Note:
LiM is not a worker!
For each New Product, the number of regular customers is different.
For $20\%$ of the data, $T=1$, and all conditions are $\leqslant 100$.
For $100\%$ of the data, $T \leqslant 5000$, and all conditions are $\leqslant 5 \times 10^4$. $P$ is a prime number.
输入格式
见题面 Input 部分
输出格式
见题面 Output 部分