选择排序_复习

void select_sort( char* x, int n )
{
    int i, j, t, min;
    for ( i = 0; i < n; i++ )
    {
        min = i;
        for ( j = n-1; j > i; j-- )
        {
            if ( x[j] < x[min] )
            {
                min = j;
            }
        }

        if ( min != i )
        {
            t = x[min];
            x[min] = x[i];
            x[i] = t;
        }
    }
}