RANGZER2 - ZEROES IN RANGE V2

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You are given two integers a and b. Find the number of zeroes in the digits of all the numbers in the range [a,b] inclusive.

Input:

The first line consists of an integer t, the number of test cases. For each test case you will be given two integers a and b (a<=b).


Output:

For each test case print the required answer.

 

Input Constraints:

1<=t<=1000

1<=a<=b<=10^9


Sample Input:

2

1 10

1 100


Sample Output:

1

11


hide comments
Bharat Jain: 2013-07-17 19:45:03

@Hariharan
2
1 999
1000 1234

o/p
189
154

mehmetin: 2013-03-11 17:35:53

Which one is the other similar problem?
--ans--> This one is in tutorial. ;-)

Last edit: 2013-03-11 17:41:53
Francky: 2013-03-08 11:32:03

We yet have such problem (or very near), and here constraints are too weak. Should be moved to tutorial.


Added by:cegprakash
Date:2013-02-27
Time limit:2s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: BF