Fa04m2SuggestedSolution

- else if res == 0 otherTemp = otherTemp.getNext current data in other smaller than data in this because sorted it will not be present and we can

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Sheet1 Page 1 CS307 Fall 2004 Midterm 2 Suggested Solutions 1. Short answer questions. Answer as below or -2. On Big O okay if leave off the O() A.12 B.*1 2 3 4 C.45 D.O(N) E.O(log N) F.O(1) G.O(N^2) H.O(N + M) //O(N) or O(M) okay as well I.O(N^2) J.15 sec K.24 sec L.104 sec. (fractions okay, no terms with log allowed) M.5 6 7 8 9 N.13 2 5 11 O.9 4 4 1 8 0 2 Set result = new Set() for(int i = 0 i < myCon.size() if( !otherSet.myCon.contains( myCon.get(i) ) result.myCon.add( myCon.get(i) ) return result 3 boolean result // other list empty? if so this contains all if( other.myHead == null ) result = true else {SortableNode thisTemp = myHead SortableNode otherTemp = other.myHead int res {res = otherTemp.getData().compareTo( thisTemp.getData() )
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Sheet1 Page 2 //current data in other larger than data in this if( res > 0 ) thisTemp = thisTemp.getNext() //if == advance otherTemp (allow double counting if necessary) //if ensuring one for one I would advance both pointers
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Unformatted text preview: else if( res == 0 ) otherTemp = otherTemp.getNext() // current data in other smaller (!) than data in this // because sorted it will not be present and we can stop else thisTemp = null } //had to "fall off" other to have counted them all. result = otherTemp = null } return result 4. return distHelper(myHead, 0) private int distHelper(Node cur, int distSoFar) {int result { //found it? if( cur == myTail ) result = distSoFar //fell off? if so send back flag to indicate dead end else if( curr == null ) result = -1 else {//check next and add 1 for moving forward result = distHelper( cur.getNext(), distSoFar + 1) // Did that lead to a dead end? // If so check the data node and if it is a Node, try it if( result == -1 && cur.getData() instanceof Node) result = distHelper( (Node)cur.getData(), distSoFar + 1) } return result } Sheet1 Page 3 i++) Sheet1 Page 4...
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This note was uploaded on 11/30/2010 for the course CS 307 taught by Professor Scott during the Spring '08 term at University of Texas at Austin.

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- else if res == 0 otherTemp = otherTemp.getNext current data in other smaller than data in this because sorted it will not be present and we can

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