如何在C ++中添加50位数字？

In C++ I want to add two 50-digit numbers. I use an array to keep each. It means that I want to add two arrays. My problem is that I want to do this in a function named AddNum() and pass the result to another function named WriteNum for printing and I don't know how to pass an array returned by one function to another function. hope that my question was clear enough thanx allIn C++ I want to add two 50-digit numbers. I us