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            牽著老婆滿街逛

            嚴(yán)以律己,寬以待人. 三思而后行.
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            QQ: 3 0 3 3 9 6 9 2 0 .

            STL二維數(shù)組

            #include? < vector >
            using ? namespace ?std;

            template?
            < class ?T >
            class ?C2DVector
            {
            public :
            ???C2DVector():m_dimRow(
            0 ),?m_dimCol( 0 ) {;}
            ???C2DVector(
            int ?nRow,? int ?nCol)? {
            ??????m_dimRow?
            = ?nRow;
            ??????m_dimCol?
            = ?nCol;
            ??????
            for ?( int ?i = 0 ;?i? < ?nRow;?i ++ ) {
            ?????????vector
            < T > ?x(nCol);
            ?????????
            int ?y? = ?x.size();
            ?????????m_2DVector.push_back(x);
            ??????}

            ???}

            ???
            void ?SetAt( int ?nRow,? int ?nCol,? const ?T & ?value)? throw (std::out_of_range)? {
            ??????
            if (nRow? >= ?m_dimRow? || ?nCol? >= ?m_dimCol)
            ?????????
            throw ?out_of_range( " Array?out?of?bound " );
            ??????
            else
            ?????????m_2DVector[nRow][nCol]?
            = ?value;
            ???}

            ???T?GetAt(
            int ?nRow,? int ?nCol)? {
            ??????
            if (nRow? >= ?m_dimRow? || ?nCol? >= ?m_dimCol)
            ?????????
            throw ?out_of_range( " Array?out?of?bound " );
            ??????
            else
            ?????????
            return ?m_2DVector[nRow][nCol];
            ???}

            ???
            void ?GrowRow( int ?newSize)? {
            ??????
            if ?(newSize? <= ?m_dimRow)
            ?????????
            return ;
            ??????m_dimRow?
            = ?newSize;
            ??????
            for ( int ?i? = ? 0 ?;?i? < ?newSize? - ?m_dimCol;?i ++ )??? {
            ?????????vector
            < int > ?x(m_dimRow);
            ?????????m_2DVector.push_back(x);
            ??????}

            ???}

            ???
            void ?GrowCol( int ?newSize)? {
            ??????
            if (newSize? <= ?m_dimCol)
            ?????????
            return ;
            ??????m_dimCol?
            = ?newSize;
            ??????
            for ?( int ?i = 0 ;?i? < m_dimRow;?i ++ )
            ?????????m_2DVector[i].resize(newSize);
            ???}

            ???vector
            < T >& ? operator []( int ?x)???? {
            ??????
            return ?m_2DVector[x];
            ???}

            private :
            ???vector
            < ?vector? < T > ? > ?m_2DVector;
            ???unsigned?
            int ?m_dimRow;
            ???unsigned?
            int ?m_dimCol;
            }
            ;

            posted on 2006-09-12 20:02 楊粼波 閱讀(1820) 評(píng)論(0)  編輯 收藏 引用


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