spoj#RANGZER2. ZEROES IN RANGE V2
ZEROES IN RANGE V2
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