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CF2013A.Zhan's Blender
Zhan's Blender
Today, a club fair was held at "NSPhM". In order to advertise his pastry club, Zhan decided to demonstrate the power of his blender.
To demonstrate the power of his blender, Zhan has fruits.
The blender can mix up to fruits per second.
In each second, Zhan can put up to fruits into the blender. After that, the blender will blend fruits, where is the number of fruits inside the blender. After blending, blended fruits are removed from the blender.
Help Zhan determine the minimum amount of time required for Zhan to blend all fruits.
Input
Each test contains multiple test cases. The first line contains the number of test cases (). The description of the test cases follows.
The first line of each test case contains one integer () — the number of fruits Zhan has.
The second line of each test case contains two integers and () — the number of fruits the blender can blend per second and the number of fruits Zhan can put into the blender per second.
Output
For each testcase, output a single integer — the minimum number of seconds to blend all fruits.
Note
In the first example, you can first put fruits in the blender. After that, the blender will mix these fruits, and in the end, there will be fruits left in the blender. Then you can put fruits into the blender, after which the blender will mix these fruits.
In the second example, you can put fruit into the blender times.
In the third example, you can first put fruits into the blender, then add another fruits.
Samples
5
5
3 4
3
1 2
6
4 3
100
4 3
9
3 3
2
3
2
34
3
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