Re: c++ code -- error

From:
"BigBrian" <work@brianmielke.com>
Newsgroups:
comp.lang.c++
Date:
26 Apr 2006 06:27:41 -0700
Message-ID:
<1146058061.671413.36150@t31g2000cwb.googlegroups.com>
Ciur Eugen wrote:

HI !

Could somebody help me in finding error in the following code ?

    int ** t; // a table of pointers to int, t[i], is a pointer to int
    int i;

    t = new int*[10]; // memory allocation
    for( i=0 ; i < 10; i++ )
    {
        t[i] = new int(); // memory allocation
    }
    for( i=0 ; i < 10; i++ )
    {
        printf("%d\n",t[i]); // shows some random data. Its ok !
    }

    for( i=0 ; i < 10; i++ ) // as far as I know *t[i] - is data to what
t[i] points
    { // so *t[i] = 202, copy that number in t[i] location
        *t[i] = 202 ; // so now,*t[i] contains number 202
    }

    for( i=0 ; i < 10; i++ )
    {
        printf("%d\n",t[i]); // what ?? AGAIN GARBAGE!!! WHERE IS NUMBER 202
??
    }

    for( i=0 ; i < 10; i++ )
    {
        delete t[i] ; // free memory up
    }

    delete t; // free memory up

Look at your own comments! You day that *t[i] contains the number 202,
but you're printing t[i] which points to where the 202 is stored.

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