
Challenge exercise Modify your C program so that it also has an array function. If this keyword is provided, then the program will accept two arrays and will add the elements of each array together and print the output. The arrays are separated by a character, and your program should check that they are the same length. For example: Result ./calculator USAGE: ./calculator add [num1] [num2] /calculator ad 2 3 unrecognised option: ad /calculator add
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