题目内容

If the pointer p is defined correctly (running on VC + +), to make p point to two successive integer dynamic storage units, the incorrect statement is ( )

A. p=2(int )malloc(sizeof(int));
B. p=(int )malloc(2sizeof(int));
C. p=(int )malloc(24);
D. p=(int*)calloc(2, sizeof(int));

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If there is int a[3][4]; then a+1 represents the address of a[0][0] (column address)

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If there is int a[3][4]; then a[0]+3 represents the address of a[0][3]

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If int (*pt) [3] is defined, then the following statement is correct ( ).

A. Three pointer variables with base type int are defined
B. Defines a pointer array pt with three elements whose base type is int
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D. A pointer variable named pt is defined, which can point to a two-dimensional array with three integer elements in each row

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C functions can call each other or main functions.

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If the pointer p is defined correctly (running on VC + +), to make p point to two successive integer dynamic storage units, the incorrect statement is ( )

A. p=2*(int *)malloc(sizeof(int)); B. p=(int *)malloc(2*sizeof(int)); C. p=(int *)malloc(2*4); D. p=(int*)calloc(2, sizeof(int));

If there is int a[3][4]; then a+1 represents the address of a[0][0] (column address)

If there is int a[3][4]; then a[0]+3 represents the address of a[0][3]

If int (*pt) [3] is defined, then the following statement is correct ( ).

C functions can call each other or main functions.

A. p=2(int )malloc(sizeof(int));
B. p=(int )malloc(2sizeof(int));
C. p=(int )malloc(24);
D. p=(int*)calloc(2, sizeof(int));