To check if COVID Social Distancing is applied or not in a classroom, a 2-D array of characters can be used to represent seating in a classroom as in the following example table. The value 'X' in an element of the classroom array means that the seat is not occupied and any other value in an array element means that the seat is occupied. For example consider the following seating table A X H X n X x X I X e K b X J X E in the above table the element that violate the social distancing rule are H.n.9, I, E, K, E . Write a C function named covid_sd that checks if COVID Social Distancing is applied or not in a classroom. Your function must o accept exactly three parameters named: classroom, num_rows, and ist. The classroom parameter is a 2-D array of characters with 6 columns. This array represents the classroom seating. num rows is the number of rows in the 2D array Ist is a 1-D array of characters. The size of Ist is 6 * num rows. o store the values of each seat that violates the COVID Social Distancing rule in the Ist array return 0 if any seat violates the COVID Social Distancing rule and 1 otherwise O