1) What is an array in C? 2) How do you declare an array in C? 3) How do you initialize an array in C? 4) How do you access elements in an array? 5) How do you find the length of an array in C?

6) How do you find the maximum and minimum elements in an array? 7) How do you reverse an array in C? 8) How do you find the sum of all elements in an array? 9) How do you check if an array is sorted in ascending order? 10) How do you find the second-largest and second-smallest elements in an array?text

11) How do you remove duplicates from an array? 12) How do you find the missing number in an array of consecutive integers? 13) How do you find the frequency of elements in an array? 14) How do you rotate an array to the right by k positions? 15) How do you find the largest subarray with the maximum sum in an array?

16) How do you merge two sorted arrays into a single sorted array? 17) How do you find the kth smallest element in an unsorted array? 18) How do you find the median of an unsorted array? 19) How do you find the pair of elements in an array whose sum is equal to a given target value? 20) How do you rearrange the array in alternating positive and negative numbers?