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已答覆help a noob, deleting multi dimentional arrays

  • Wednesday, 23 July, 2008 15:40gafferuk 使用者勳章使用者勳章使用者勳章使用者勳章使用者勳章
     
    hi, how do you delete a multi dimentional array?

    example:

    char** buffer = new char*[100];

    for (int i = 0; i < 100; i++)
        buffer[i] = new char[50];




    how do I then delete this?

    is it like this?

    for (int i = 0; i < 100; i++)
        if (buffer[i])
    delete [] buffer[i];



    or like this?

    for (int i = 0; i < 100; i++)
        if (buffer[i])
    delete [] buffer[i];


    thanks for your time

解答

  • Wednesday, 23 July, 2008 16:21azertykk 使用者勳章使用者勳章使用者勳章使用者勳章使用者勳章
     已答覆
     

    // to delete those:
    for (int i = 0; i < Rows; i++) {
      delete [] buffer[i];
      buffer[i] = 0;
    }
    delete [] buffer;
    buffer = 0;

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  • Wednesday, 23 July, 2008 16:21azertykk 使用者勳章使用者勳章使用者勳章使用者勳章使用者勳章
     已答覆
     

    // to delete those:
    for (int i = 0; i < Rows; i++) {
      delete [] buffer[i];
      buffer[i] = 0;
    }
    delete [] buffer;
    buffer = 0;