Tom and Jerry | Techgig | Passed all test cases

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Tom and Jerry (100 Marks)
Tom and Jerry have become enemies because of some misunderstanding and are interfering in each other's work. Tom has been assigned a construction project of N units which is important for the firm. Jerry got to know about it and took an oath to make it hard for Tom to complete the project. Tom can do C units of work in daytime so Jerry decided to destroy D units of work in the night time.


Mr. Fred got this information and needs someone to figure out the number of days Tom will take to complete the project of N units with the given scenario. Can you do it for Mr. Fred?



Note: Tom will always be able to complete the project.



Input Format
The first line of input consists of numbers of test cases, T

Next T lines each consists of three space-separated integers C, D and N.



Constraints
1 lessthan= T lessthan=100

1 lessthan= N lessthan=10000000

1 lessthan= D lessthan C lessthan=N



Output Format
For each test case, print the number of days Tom will take to complete the project in a separate line.

Sample TestCase 1
Input
2
6 2 10
4 3 10
Output