nCr computation

Write a C++ program to compute the nCr

In permutations and combinations, the term nCr refers to n combinations taken r at a time.

nCr=n!/r!(n-r)!

• Write a recursive function to find the factorial of a number.
• Use the defined function to compute the term nCr for the following scenario:
• The values of “n“ and “r“ are stored in two parallel arrays of any user defined size.
• You have to read the arrays n and r at runtime. Compute nCr for each corresponding term n and r and store it in another separate array and display the output array properly formatted.
• Also, your program should print the current system date and time using the library functions.