Question

How to find all non repeating characters in a string with C#

Answer 1

using System;
 
class Program
{
    public static void PrintAllNonRepeatedCharacter(string str) {  
        int[] occurrences = new int[256];  
        
        for (int i = 0; i < str.Length; i++) {  
            occurrences[str[i]]++;  
        }  
         
        for (int i = 0; i < str.Length; i++) {   
            if (occurrences[str[i]] == 1) {  
                Console.WriteLine(str[i]);  
            }  
        }  
    }  
    static void Main() {
        string str = "c c++ csharp java php python";
 
        PrintAllNonRepeatedCharacter(str);
    }
}
 
 
 
 
/*
run:
 
s
r
j
v
y
t
o
n
 
*/

 

70+ SQL courses for beginners and professionals