What are valid operations on pointers?

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18)struct base {int a,b; base(); int virtual function1(); } struct derv1:base{ int b,c,d; derv1() int virtual function1(); } struct derv2 : base {int a,e; } base::base() { a=2;b=3; } derv1::derv1(){ b=5; c=10;d=11;} base::function1() {return(100); } derv1::function1() { return(200); } main() base ba; derv1 d1,d2; printf("%d %d",d1.a,d1.b) o/p is a)a=2;b=3; b)a=3; b=2; c)a=5; b=10; d)none 19) for the above program answer the following q's main() base da; derv1 d1; derv2 d2; printf("%d %d %d",da.function1(),d1.function1(),d2.function1 ()); o/p is a)100,200,200; b)200,100,200; c)200,200,100; d)none 20)struct { int x; int y; }abc; you can not access x by the following 1)abc-->x; 2)abc[0]-->x; abc.x; (abc)-->x; a)1,2,3 b)2&3 c)1&2 d)1,3,4

1 Answers  

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Draw a diagram showing how the operating system relates to users, application programs, and the computer hardware ?

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is assignment operator is arithmatic or not

3 Answers   Infosys,

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How to find the usage of memory in a c program

1 Answers   Infosys,

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# define prod(a,b)=a*b main() { int x=2; int y=3; printf("%d",prod(x+2,y-10)); } the output of the program is a.8 b.6 c.7 d.none

7 Answers   Microsoft, TCS,

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What is the use of typedef in structure in c?

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What is the mean of this statement:: if(int i=0 * i=9)

2 Answers   HCL,

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Why pointers are used?

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Difference between Shallow copy and Deep copy?

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Write a main() program that calls this function at least 10 times. Try implementing this function in two different ways. First, use an external variable to store the count. Second, use a local variable. Which is more appropriate?

2 Answers  

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write a program to create a sparse matrix using dynamic memory allocation.

0 Answers  

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