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0
Q:

How would you dynamically allocate a 2-D array of integers? 

Answer:



#include "alloc.h"


#define MAXROW 3


#define MAXcol 4


main()


{


        int *p, i, J;


        p = (int *) malloc (MAXROW * MAXCOL * sizeof (int));


         for ( i=0; i < MaxROW ; i++)


         {


                for (j=0; j < MAXCOL ; j++)


                { 


                      p [ i * MAXCOL + j] = i;


                       printf ( "%d", p [i * MAXCOL + j] );


                 }


                  printf ("\n");


          }


}
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SNOBOL is mainly used for

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Which of the following is not a valid escape code?

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For example, the sequence \n usually represents a newline, while the escape sequence \\ represents a backslash, \t usually represents a newtab.

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What is math.floor(3.6)?

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Explanation:

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Hence, math.floor(3.6) = 3.

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Q:

Undefined reference to 'pthread_create'

How to Fix this error?

Answer

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To fix this problem ensure following points:
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Add –lpthread linker flag with compilation command.
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#include <pthread.h>
...
...
2- Compile command
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