Adding Big Numbers
Problem Source: Codewars We need to sum big numbers and we require your help. Write a function that returns the sum of two numbers. The input numbers are strings and the function must return a string. Example add("123", "321"); -> "444" add("11", "99"); -> "110" Notes The input numbers are big. The input is a string of only digits The numbers are positives Solution In arithmetic, addition can be performed by aligning the addends vertically and add the colums, starting from the unit colum (on the right)....