CoolInterview.com - World's Largest Collection of Interview Questions & Answers, FAQs, queries, sample papers, exam papers, dumps, what, why, how, where, when questions
Our Services
Get 9,000 Interview Questions & Answers in an eBook.




Get it now !!
Send your Resume to 6000 Companies

Search Interview Questions

Question: void main ()
{
int x = 10;
printf ("x = %d, y = %d", x,--x++);
}


Answer: Ans: Lvalue required..

it will print first value .but in second value it will perform preincrement operater which will result as a int value but we can't postincrement that value,we can postincrement variable.so it requires a variable to store that value so it gives Lvalue required error.



Category C Interview Questions & Answers - Exam Mode / Learning Mode
Rating (0.3) By 5446 users
Added on 7/18/2011
Views 55315
Rate it!
Question: void main ()
{
int x = 10;
printf ("x = %d, y = %d", x,--x++);
}



Answer:

Ans: Lvalue required..

it will print first value .but in second value it will perform preincrement operater which will result as a int value but we can't postincrement that value,we can postincrement variable.so it requires a variable to store that value so it gives Lvalue required error.
Source: CoolInterview.com


This snippet will print x=11,y=10 because the arguments passed to a function are calculated first and the order is from right to left. So value of x and y is 11 and 10 Source: CoolInterview.com

Answered by: Anish | Date: 12/5/2009 | Contact Anish Contact Anish

Lvalue is required
because we firest the order will solving is right to left, then firest solve the post increament then the value will change then x will be 11 after pri decreament so this is run time error coz we cant change the value of constant then errer is Lvalue requread.... Source: CoolInterview.com

Answered by: vijay kumar cet bikaner | Date: 3/24/2010 | Contact vijay kumar cet bikaner Contact vijay kumar cet bikaner


If you have the better answer, then send it to us. We will display your answer after the approval

Rules to Post Answers in CoolInterview.com:-

  • There should not be any Spelling Mistakes.
  • There should not be any Gramatical Errors.
  • Answers must not contain any bad words.
  • Answers should not be the repeat of same answer, already approved.
  • Answer should be complete in itself.

Post your answer here

Inform me about updated answers to this question.
Related Questions
View Answer
main()
{
char c;
int i = 456;
clrscr();
c = i;
printf("%d", c);
}


}


- C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main()
{
int c = 5;
printf("%d", main||c);
}


}


- C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main()
{
int i = 100;
clrscr();
printf("%d", sizeof(sizeof(i)));
}


}


- C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main()
{
printf("%d, %d", sizeof('c'), sizeof(100));
}


}


- C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
void func1(int (*a)[10])
{
printf("Ok it works");
}
void func2(int a[][10])
{
printf("Will this work?");
}

main()
{
int a[10][10];
func1(a);
func2(a);
}


}
void func2(int a[][10])
{
prin - C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main()
{
char *a = "Hello ";
char *b = "World";
clrscr();
printf("%s", strcpy(a,b));
}


char *b = "World";
clrscr();
printf("%s", strcpy(a,b));< - C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main()
{
char *a = "Hello ";
char *b = "World";
clrscr();
printf("%s", strcat(a,b));
}


char *b = "World";
clrscr();
printf("%s", strcat(a,b));< - C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
struct Foo
{
char *pName;
char *pAddress;
};
main()
{
struct Foo *obj = malloc(sizeof(struct Foo));
clrscr();
obj->pName = malloc(100);
obj->pAddress = malloc(100);
strcpy(obj->pName,"Your Name");
strcpy(obj->pAddress, "Your Address");
free(obj);
printf("%s", obj->pName);
printf("%s", obj->pAddress);
}


View Answer
const int perplexed = 2;
#define perplexed 3
main()
{
#ifdef perplexed
#undef perplexed
#define perplexed 4
#endif
printf("%d",perplexed);
}


View Answer

main()
{
char * strA;
char * strB = I am OK;
memcpy( strA, strB, 6);
}





























View Answer
main()
{
char *p = "hello world";
p[0] = 'H';
printf("%s", p);
}


p[0] = 'H';
printf("%s", p);
}


- C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main()
{
int i, j;
scanf("%d %d"+scanf("%d %d", &i, &j));
printf("%d %d", i, j);
}


printf("%d %d", i, j);
}
View Answer
main()
{
int i, j, *p;
i = 25;
j = 100;
p = &i; // Address of i is assigned to pointer p
printf("%f", i/(*p) ); // i is divided by pointer p
}


View Answer
union u
{
struct st
{
int i : 4;
int j : 4;
int k : 4;
int l;
}st;
int i;
}u;
main()
{
u.i = 100;
printf("%d, %d, %d",u.i, u.st.i, u.st.l);
}

View Answer
#define SQR(x) x * x
main()
{
printf("%d", 225/SQR(15));
}


}


- C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main()
{
int i = 0xff ;
printf("n%d", i<<2);
}


}


- C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main()
{
int i;
float *pf;
pf = (float *)&i;
*pf = 100.00;
printf("n %d", i);
}


} - C Interview Questions & Answers" class="btn btn-primary btn-xs">View Answer
main(int argc, char *argv[])
{
(main && argc) ? main(argc-1, NULL) : return 0;
}


View Answer
main()
{
int i;
clrscr();
printf("%d", &i)+1;
scanf("%d", i)-1;
}



scanf("%d", i)-1;
}

View Answer
1.WRITE A 'C' PROGRAM TO READ THE AGE OF 100 PERSONS AND COUNT THE NUMBER OF PERSONS IN THE AGE GROUP 50 TO 60.USE FOR LOOP AND CONTINUE STATEMENTS.(10 MARKS)
2.WRITE A PROGRAM TO READ A POSITIVE INTEGER AND PRINT ITS BINARY EQUIVALENT.(10 MARKS)
3.GIVEN TWO ONE DIMENSIONAL ARRAYS A AND B WHICH ARE SORTED IN ASSCENDING ORDER.WRITE A PROGRAM TO MERGE THEM INTO A SINGLE SORTED ARRAY ,C THAT CONTAINS EVERY ITEM FROM ARRAYS A AND B,IN ASCENDING ORDER.(10 MARKS)
4.WRITE A FUNCTION IN C THAT WOULD TRAVERSE A LINEAR SINGLY LINKED LIST IN REVERSE AND WRITE OUT THE CONTENTS IN REVERSE ORDER.(10 MARKA)
5.WRITE A PROGRAM TO READ A SET OF INTEGERS AND TO SEPARATE ALL ODD AND EVEN NUMBERS .WRITE ALL EVEN NUMBERS IN ASCENDING ORDER.(10 MARKS)
6.WRITE A PROGRAM TO READ A REAL NUMBER X ANF FIND THE EVEN NUMBER NEAREST TO X.(10 MARKS)
7.WRITE A PROGRAM TO MULTIPLY TWO MATRICES OF ORDER M*N AND N*P RESPECTIVELY.(10 MARKS)
8.WRITE A PROGRAM IN'C' TO IMPLEMENT K-MAP SIMPLIFICATION TECHNIQUE.(10 MARKS)

View Answer

Please Note: We keep on updating better answers to this site. In case you are looking for Jobs, Pls Click Here Vyoms.com - Best Freshers & Experienced Jobs Website.

View All C Interview Questions & Answers - Exam Mode / Learning Mode




India News Network
Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
Cache = 0.982422 Seconds