Problem statement- Given two sorted arrays arr1[] and arr2[] of sizes N and M in non-decreasing order. Merge them in sorted order without using any extra space. Modify arr1 so that it contains the first N elements and modify arr2 so that it contains the last M elements. Example 1: Input: N = 4, arr1[] = [1 3 5 7] M = 5, arr2[] = [0 2 6 8 9] Output: arr1[] = [0 1 2 3] arr2[] = [5 6 7 8 9] Explanation: After merging the two non-decreasing arrays, we get, 0 1 2 3 5 6 7 8 9. Example 2: Input: N = 2, arr1[] = [10, 12] M = 3, arr2[] = [5 18 20] Output: arr1[] = [5 10] arr2[] = [12 18 20] Explanation: After merging two sorted arrays we get 5 10 12 18 20. Your Task: You don't need to read input or print anything. You only need to complete the function merge() that takes arr1, arr2, N and M as input parameters and modifies them in-place so that they look like the sorted merged array when concatenated. Expected Time Complexity: O((n+m) log(n+m)) Expected Auxilliary Space: O(1

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