Given two arrays, arr1[] and arr2[] of sizes M and N respectively, find the length of the longest common increasing subsequence(LCIS).
Example 1:
Input:
M = 4
Arr1[] = {3, 4, 9, 1}
N = 7
Arr2[] = {5, 3, 8, 9, 10, 2, 1}
Output: 2
Explanation: The longest increasing subsequence
that is common is {3, 9} and its length is 2.
Example 2:
Input:
M = 4
Arr1[] = {1, 1, 4, 3}
N = 4
Arr2[] = {1, 1, 3, 4}
Output: 2
Explanation: There are two common
subsequences {1, 4} and {1, 3}
both of length 2.
Your Task:
You don't need to read input or print anything. Your task is to complete the function LCIS() which takes arr1[] and its size m, arr2[] and its size nas input parameters and returns length of LCIS.
Expected Time Complexity: O(N2) Expected Auxiliary Space: O(N)
Constraints:
1 <= M, N <= 103
1 <= Arr1[i], Arr2[i] <= 103
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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