Question

How to check if a string is in alphabetical order in C#

Answer 1

using System;

class Program
{
     public static bool isInAlphabeticalOrder(string s) {
        for (int i = 0; i < s.Length - 1; i++) {
            if (s[i] >= s[i + 1]) {
                return false;
            }
        }
        return true;
    }
    static void Main() {
        string s1 = "java c c++";
        Console.WriteLine(isInAlphabeticalOrder(s1));
 
        string s2 = "abcxyz";
        Console.WriteLine(isInAlphabeticalOrder(s2));
    }
}



/*
run:

False
True

*/

 

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