HackerRank solution for Functions in C++, which shows how to use functions in C++ with the proper return type, parameters and definition.
In this HackerRank problem solving exercise, which we can also solve in C, we need to write a function to return the largest integer from a list of integers passed to the functions as arguments. The approach here is to store these integers inside an array, then use the sort function in C++ to sort the array integer array in ascending order. From there, we can simply return the last integer in our sorted array, as this is the largest array.
The C++ sort function can be found under the algorithm header in STD library, and is part of STL algorithms. To sort the integer array, we simply need to pass the sort function our array's beginning and ending pointers.
All HackerRank solutions on GitHub (please leave a star): https://github.com/IsaacAsante/HackerRank
HackerRank Functions coding challenge: https://www.hackerrank.com/challenges/c-tutorial-functions/problem