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C Interview Questions
Questions Answers Views Company eMail

Write a C++ program to generate 10 integer numbers between - 1000 and 1000, then store the summation of the odd positive numbers in variable call it sum_pos, then find the maximum digit in this variable regardless of its digits length.

2003

Write a programe print the sum of series 0,1,2,.....10

7 7652

what is the output of the below code? main( ) { printf ( "\nOnly stupids use C?" ) ; display( ) ; } display( ) { printf ( "\nFools too use C!" ) ; main( ) ; }

3 12198

1. What is the output of printf("%d") 2. What will happen if I say delete this 3. Difference between "C structure" and "C++ structure". 4. Diffrence between a "assignment operator" and a "copy constructor" 5. What is the difference between "overloading" and "overridding"? 6. Explain the need for "Virtual Destructor". 7. Can we have "Virtual Constructors"? 8. What are the different types of polymorphism? 9. What are Virtual Functions? How to implement virtual functions in "C" 10. What are the different types of Storage classes? 11. What is Namespace? 12. What are the types of STL containers?. 13. Difference between "vector" and "array"? 14. How to write a program such that it will delete itself after exectution? 15. Can we generate a C++ source code from the binary file? 16. What are inline functions? 17. Talk sometiming about profiling? 18. How many lines of code you have written for a single program? 19. What is "strstream" ? 20. How to write Multithreaded applications using C++? 21. Explain "passing by value", "passing by pointer" and "passing by reference" 22. Write any small program that will compile in "C" but not in "C++" 23. Have you heard of "mutable" keyword? 24. What is a "RTTI"? 25. Is there something that I can do in C and not in C++? 26. Why preincrement operator is faster than postincrement? 27. What is the difference between "calloc" and "malloc"? 28. What will happen if I allocate memory using "new" and free it using "free" or allocate sing "calloc" and free it using "delete"? 29. What is Memory Alignment? 30. Explain working of printf. 31. Difference between "printf" and "sprintf". 32. What is "map" in STL? 33. When shall I use Multiple Inheritance? 34. What are the techniques you use for debugging? 35. How to reduce a final size of executable? 36. Give 2 examples of a code optimization.

2 5246

write a program whose output will be- 1 12 123 1234

10 31648

accept character from keyboard untill the user presses the enter key.If the user enters any character other than upper case(A-Z)alphabets program should stop taking any input

1 3432

Please write me a program to print the first 50 prime numbers (NOT between the range 1 -50)

IBM, KJH,

5 49081

I need a help with a program: Write a C program that uses data input in determining the whole of points A and a whole of circles B. Find two points in A so that the line which passes through them, cut through the maximum number of circles.

TCS,

1947

Can anyone help me with this please? Need to print the below values.. Thanks 1 1 2 1 2 3 1 2 3 4

3 4712

logic for x=y^n

Delphi,

1 4018

what is the difference between procedure oriented and object oriented progaming language

1 3418

hello freinds next week my interview in reliance,nybody has an idea about it intervew questions..so tell

Reliance,

2178

which is the best site or book for learning C...and i need the content for C..how to get the good programming skills....? can plz suggest me....

2 5267

Write a program to show the workingof auto variable.

Infotech,

2 5498

what is the program to display your name in any color?

HCL,

2 5235


Post New C Questions

Un-Answered Questions { C }

What is auto keyword in c?

1208


hi, which software companys will take,if d candidate's % is jst 55%?

2093


how do you programme Carrier Sense Multiple Access

1969


#include #include struct stu { int i; char j; }; union uni { int i; char j; }; void main() { int j,k; clrscr(); struct stu s; j=sizeof(s); printf("%d",j); union uni u; k=sizeof(u); printf("%d",k); getch(); } what is value of j and k.

6310


How can I dynamically allocate arrays?

1104


Why c is called free form language?

1024


What is wrong with this code?

1184


How can you draw circles in C?

1156


How reliable are floating-point comparisons?

1101


Explain which function in c can be used to append a string to another string?

1092


What are pointers? What are different types of pointers?

1147


Define Array of pointers.

1108


What is wrong in this statement? scanf(ā€œ%dā€,whatnumber);

1245


Is it possible to pass an entire structure to functions?

998


If errno contains a nonzero number, is there an error?

1376