typedef struct _TabRectangle
{
    Rectangle *rectangles;
    int size;
} TabRectangle;

Rectangle* minAire(TabRectangle const *tab)
{
    double minAire = aire(tab->rectangles);
    int minAireIndex = 0;
    double aireRectangle = 0;
    for (int i = 1; i < tab->size; i++)
    {
        aireRectangle = aire(tab->rectangles + i);
        if (aireRectangle < minAire)
        {
            minAire = aireRectangle;
            minAireIndex = i;
        }
    }

    return tab->rectangles + minAireIndex;
}