Video 29: C Programming, One Dimensional array exercies, unique elements, rotate left, write, merge

36. Write a program in C to remove duplicate elements from an array. The program should accept n integers as
input, store them in an array, and then display only the unique elements (i.e., elements that appear exactly
once).
37. Program to merge two arrays into a third array.
38. Replace Each Element with Product of All Other Elements Without using division, replace each element with
the product of all other elements. Example: [1, 2, 3, 4] → Output: [24, 12, 8, 6]
39. Write a program in C to rotate the elements of an array to the left by a given number of positions.
For example:
Input: arr = [1, 2, 3, 4, 5], positions = 2
Output: arr = [3, 4, 5, 1, 2]
40. Write a program in C to rotate the elements of an array to the right by a given number of positions.
For example:
Input: arr = [1, 2, 3, 4, 5], positions = 2
Output: arr = [4, 5, 1, 2, 3]

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