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

//Compiler version gcc  6.3.0
int swaps(int *num1, int *num2);
int main()
{ 
  int card;
  printf("How many elements?\n");
  scanf("%d", &card);
  printf("The length of the array will be %d\n", card);
  int numbers[card];
  int *num = NULL;
  num

  #include <stdio.h>

#include <stdio.h>

//Compiler version gcc  6.3.0
/*On declare 4 fonctions*/
int ad (int num1, int num2);
int sub (int num1, int num2);
int mul (int num1, int num2);
int div (int num1, int num2);

int main()