// Online C compiler to run C program online
#include <stdio.h>
 
void print();
void swapping();
 
int main() {
    // Write C code here
    int i,j;
    int arr[]={
        6,34,62,213,64,23
    };
    for(i = 0; i<=4;i++){
        for(j=i+1; j<=5; j++)   {
            if(arr[i]> arr[j]){
                swapping(&arr[i], &arr[j]);
 
            }
        }
    }
    print(arr);
    return 0;
}
 
void swapping(int *a, int *b){
    int temp;
    temp = *a;
    *a=*b;
    *b=temp;
}
 
void print(int a[]){
    int i = 0;
    for(i=0;i<=5;i++){
     printf("%d ", a[i])   ;
    }
 
}

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/*  Berechnung des Hamming-Abstandes zwischen zwei 128-Bit Werten in 	*/
/*	einer Textdatei. 													*/
/*  Die Werte müssen auf einer separaten Zeile gespeichert sein			*/
/* 																		*/
/*	Erstellt: 17.5.2010													*/
/*  Autor: Thomas Scheffler												*/

#include <stdio.h>
#include <stdlib.h>

#define ARRAY_SIZE 32

unsigned Hamdist(unsigned x, unsigned y)
{
  unsigned dist = 0, val = x ^ y;
 
  // Count the number of set bits
  while(val)
  {
    ++dist; 
    val &= val - 1;
  }
 
  return dist;
}



int main (void)
{
	char hex;
	int i;
	int a[ARRAY_SIZE];
	int b[ARRAY_SIZE];
	int hamDist = 0;
	FILE* fp;
	
	//Arrays mit 0 initialisieren
	for (i = 0; i < ARRAY_SIZE; ++i)
	{
  		a[i] = 0;
  		b[i] = 0;
	}

	
	fp = fopen("hex.txt","r");
	if (fp == NULL) 
	{
		printf("Die Datei hex.txt wurde nicht gefunden!");
		exit(EXIT_FAILURE);
	}

	i=0;
	printf("1.Zeile einlesen.\n");

 	while((hex=fgetc(fp))!='\n' && hex != EOF)
    {
        a[i]=strtol(&hex,0,16);
		i++;
    }
	i=0;
	printf("2.Zeile einlesen.\n");

 	while((hex=fgetc(fp))!='\n' && hex != EOF)
    {
    	b[i]=strtol(&hex,0,16);
        i++;
    }
	fclose(fp);

	printf("Hamming-Abweichung pro Nibble:\n");
	for (i = 0; i < ARRAY_SIZE; ++i)
	{
		printf ("%i\t%i\t%i\n",a[i],b[i],Hamdist(a[i],b[i]));
		hamDist += Hamdist(a[i],b[i]);
	}
	printf ("\nHamming-Abweichung der Hash-Werte:%d\n",hamDist);
}