void swap(int items[], int i1, int i2)
(
   int t = 0;
   t=items[i1];
   items[i1]=items[i2];
   items[i2]=t;
)
int main()
{
   int n=0,m=0;
   const int s=4;
   int num[s]={4,1,2,3};
   int old[s]={4,1,2,3};
 
   for(;n<s;n++)
      std::cout<<num[n]<<std::endl;
   for(n=s-1;n>0;n--)
      for(m=0;m<n;m++)
         if(num[m]>num[m+1])
            swap(num,m,m+1);
 
   std::cout<<std::endl;
   for(n=0;n<s;n++)
      std::cout<<num[n]<<std::endl;
 
   //...A few aid
   for x=0 to s-1
      for y=0 to s-1
         if num[x] = old[y] then
             the old pos=y
 
   return 0;
 //done
}