3.14.                  _   _____________89

      300.  
   .  

 =  + 1;             = &[1] ;

     304. ,     -
 ,        :

  sum_arr2.cpp

sum = 0 ;

for ( = ;  < &a[Nj; ++p)
sum += *;

 

sum = 0;

for (i = 0; i < N; ++i)
sum += a [i ] ;

          .
     &a[0],&a[l],...,&a[N-l]. -
,  i   ,   + i   -    . -
,  + i   -      .    
 :

sum = 0 ;

for (i = 0; i < N; ++i)
sum += * ( + i) ;

   * ( + i)   [ i ],  * ( + i) -
  [ i] .

            ,
   .      -
,   ,   :

 =       ++       += 2

.      .

,  sizeof(a)  sizeof(p) .    -
  ,      -.

3.14.   

    ,    , 
  .    ,    -
     .     . 
        [ ] ( 
)      .   -
   ,    ,     
.   ,   ,  -
    int.