note: my professor does not want us to use stdio.h in the class -- is there a way to do this without that header file?

E5.7 Write a C program to find the median and mode of an array of integers. When the array has an even number of elements, the median is defi ned as the average of the middle two elements. Otherwise, it is defined as the middle element of the array. The mode is the element that occurs most frequently. You need to sort the array in order to find the median