HDU 3530 Subsequence

输入描述:

There are multiple test cases.
       
For each test case, the first line has three integers, n, m and k. n is the length of the sequence and is in the range [1, 100000]. m and k are in the range [0, 1000000]. The second line has n integers, which are all in the range [0, 1000000].
       
Proceed to the end of file.
       

输出描述:

For each test case, print the length of the subsequence on a single line.