C++. I need it now before 30 minute programming

Write a following C++ programs: Create a function named drawO(), which take an integer as input parameter. DrawO() function will output to screen the pattern letter "O" with number of character on both are the same as specified according to the input parameter (shown below). If input parameter to the function base value 5. drawO(5.) You must use loop in your choice, otherwise, marks will be ___________ drawO (_______________) {____________________