- int listIndx = 0;
- TListOfListOfInt::iterator listIt = anOrder.begin();
- for(; listIt != anOrder.end(); listIt++, listIndx++ )
- unionLists( *listIt, anOrder, listIndx + 1 );
+ bool changed;
+ do {
+ changed = false;
+ TListOfListOfInt::iterator listIt = anOrder.begin();
+ for ( int listIndx = 1; listIt != anOrder.end(); listIt++, listIndx++ )
+ if ( unionLists( *listIt, anOrder, listIndx ))
+ changed = true;
+ }
+ while ( changed );