Q4 20 Points Write the C malloc code that would allocate memory for a 2D array of 20x30 characters and store them into the array from Q3. Also, initialize all of the array locations to *** Enter your answer here Q5 10 Points Write the C free code that would deallocate the memory allocated in Q4. Verify the correctness of your code using the tool valgrind on bertvm.cs.uic.edu Enter your answer here