c++

Write a function named liquid() that has an integer number parameter and reference parameters named gallons, quarts, pints and cups. The passed integer represents the total number of cups, and the function is to determine the numbers of galloons, quarts, pints, and cups in the passed value. Using the references, the function should directly alter the respective actual arguments in the calling function. Hint: 1 pint - 2 cups, 1 quart 4 cups, 1 gallon - 16 cups