NOVICE21 - Problem 1

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Given three Integers A, B, and N. Find how many integers between A and B( inclusive ) are divisible by N. 0<=A<=B<=10^18, 1<=N<=10^18.

Input

First line contains T the number of test cases. Each of next T lines contains 3 integer A, B, N.

Output

For each test case print the answer in a new line.

Example

Input:
2
1 4 3
10 20 6

Output:
1
2

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LeppyR64: 2011-03-27 17:46:20

There are blank lines in the input before t. Following that, the input matches the input description. If trying to solve this using C# you can create a try-catch block in a function to read t.


Added by:Mahesh Chandra Sharma
Date:2011-01-25
Time limit:0.209s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: ASM64
Resource:NSIT Noivce contest #2