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  1. Prepare
  2. C
  3. Structs and Enums
  4. Small Triangles, Large Triangles
  5. Discussions

Small Triangles, Large Triangles

  • elkirino
     + 0 comments
    void sort_by_area(triangle* tr, int n) {
	/**
	* Sort an array a of the length n
	*/
    triangle aux;
    double An, An_1, p;
    int i, j;
    
   for(j=0; j< n; j++)
   {
        for(i = 0; i < n; i++)
    {
        p = 0.5*((tr[i].a) + (tr[i].b) + (tr[i].c));
        An = sqrt(p*(p-tr[i].a)*(p-tr[i].b)*(p-tr[i].c));
        
        if(An < An_1 && i > 0)
        {
            aux = tr[i];
            tr[i] = tr[i - 1];
            tr[i - 1] = aux;  
        }
        
        An_1 = An;  
    }
   }
}