odd-even
number
Time Limit:
2000/
1000 MS (Java/Others) Memory Limit:
65536/
65536 K (Java/Others)
Total Submission(s):
943 Accepted Submission(s):
504
Problem Description
For a
number,
if the length of continuous odd digits
is even
and the length of continuous even digits
is odd,we call
it odd-even
number.Now we want
to know
the amount
of odd-even
number between L,R(
1<=L<=R<=
9*
10^
18).
Input
First line a t,
then t cases.
every line
contains two integers L
and R.
Output
Print
the output
for each case
on one line
in the format
as shown
below.
Sample Input
2
1 100
110 220
Sample Output
Case
Case
当时网络赛遇到的一道题，数位dp。
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