Consider an implementation of Strings consisting of an array where the first element of the array indicates the length of the String and the next elements represent the value of the ASCII characters in the String.
Implement String concatenation of such scenario using C?
Find the first non repeating character in a string.
Input string: "abcdeabc"
Given a dictionary of strings and another string find out if the string is an exact match to some words in the dictionary or varies at most in only one place of some word of the dictionary?