vectors, declaring and initialising

This is a discussion on vectors, declaring and initialising within the C++ Programming forums, part of the General Programming Boards category; Hi i would like to know how to declare a multi dimensional vector and then later initialize its size. normally ...

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    h4x0r1ng t3h m41nfr4m3!!1 r0bbb's Avatar
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    vectors, declaring and initialising

    Hi i would like to know how to declare a multi dimensional vector and then later initialize its size.

    normally id declare and init a vector like :

    vector< vector<Tile> > tiles(50, vector<Tile>(50));

    creating a multidimensional vector with 50 rows and 50 cols.

    i know how to declare a vector and not init its size :

    vector< vector<Tile> > tiles;

    but how can i later declare the number of rows and columns.

    cheers

    rob.

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    Registered User hk_mp5kpdw's Avatar
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    Code:
    vector< vector<Tile> > tiles;
    
    ...
    
    tiles.resize(50);
    for( vector<vector<Tile> >::iterator it = tiles.begin(); it != tiles.end(); ++it )
        it->resize(50);
    "Owners of dogs will have noticed that, if you provide them with food and water and shelter and affection, they will think you are god. Whereas owners of cats are compelled to realize that, if you provide them with food and water and shelter and affection, they draw the conclusion that they are gods."
    -Christopher Hitchens

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    h4x0r1ng t3h m41nfr4m3!!1 r0bbb's Avatar
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    amazing, thank you very much

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