C Code Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Code Interview Questions

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#include #include void main() { int a=(1,2,3,(1,2,3,4); switch(a) { printf("ans:"); case 1: printf("1");break; case 2: printf("2");break; case 3: printf("1");break; case 4: printf("4");break; printf("end"); } getch(); }

3403

abcdedcba abc cba ab ba a a

2 9087

write a c program to Create a mail account by taking the username, password, confirm password, secret_question, secret_answer and phone number. Allow users to register, login and reset password(based on secret question). Display the user accounts and their details .

2 19877

write a c program to Reverse a given string using string function and also without string function

1 4517

write a c program to Create employee record by taking details like name, employee id, address and phone number. While taking the phone number, take either landline or mobile number. Ensure that the phone numbers of the employee are unique. Also display all the details

TCS,

2 20847

write a c program to Create a registration form application by taking the details like username, address, phone number, email along with password and confirm password (should be same as password).Ensure that the password is of 8 characters with only numbers and alphabets. Take such details for 5 users and display the details. In place of password display “****”. (Use Structures).

CDAC, College School Exams Tests,

10841

Write a program that reads a dynamic array of 40 integers and displays only even integers

2 5684

void main() { int x,y=2,z; z=(z*=2)+(x=y=z); printf("%d",z); }

4 8964

Write a Program that Inputs 10 Numbers in an Array and Show the Maximum Number

Ace Info,

2 5336

Write a C program that defines a 2-dimentional integer array called A [50][50]. Then the elements of this array should randomly be initialized either to 1 or 0. The program should then print out all the elements in the diagonal (i.e. a[0][0], a[1][1],a[2][2], a[3][3], ……..a[49][49]). Finally, print out how many zeros and ones in the diagonal.

2 6887

which function is used to clear the buffer stream on gcc? for example: I wrote following code on gcc #include int main(void) { char ch; int a,b; printf("\nenter two numbers:\t"); scanf("%d%d",&a,&b); printf("enter number is %d and %d",a,b); printf("\nentercharacter:\t"); scanf("%c",&ch); printf("enter character is %c",ch); return 0; } in above progarm ch could not be scan. why?plz tell me solution.

2 6527

what is oop?

3 6676

respected sir, i did my MCA in 2013 when i am going to attend to an interview i was asked about my project how will i explain my project could please help me in this and my project title is "Social Networking Site For Social Responsibility"

Genpact, Ozdocs,

1 5230

¦void main() ¦{ ¦int i=10,j; ¦ j=i+++i+++i; ¦printf("%d",j); ¦getch(); ¦} ¦ output:-30 but in same question if we write as- ¦void main() ¦{ ¦int i=10; ¦ int j=i+++i+++i; ¦printf("%d",j); ¦getch(); ¦} ¦ output:-33 why output is changed from 30 to 33. Can any body answer...

3 9381

main() { int *ptr=(int*)malloc(sizeof(int)); *ptr=4; printf("%d",(*ptr)+++*ptr++); }

GNITC,

3 7781

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Un-Answered Questions { C Code }

Cluster head selection in Wireless Sensor Network using C programming language.

3809

3) Int Matrix of certain size was given, We had few valu= es in it like this. =97=97=97=97=97=97=97=97=97=97=97 1 = | 4 | | 5 | &= nbsp; | 45 =97=97=97=97=97=97=97=97=97=97=97 &n= bsp; | 3 | 3 | 5 | = | 4 =97=97=97=97=97=97=97=97=97=97=97 34 |&nbs= p; 3 | 3 | | 12 | &= nbsp; =97=97=97=97=97=97=97=97=97=97=97 3 | &nbs= p; | 3 | 4 | = | 3 =97=97=97=97=97=97=97=97=97=97=97 3 | = ; | | | = ; 3 | =97=97=97=97=97=97=97=97=97=97=97 &= nbsp; | | 4 | = ; | 4 | 3 We w= ere supposed to move back all the spaces in it at the end. Note: = If implemented this prog using recursion, would get higher preference.

3832

What is full form of PEPSI

2484

#include int main(void) { int a=4, b=2; a=b<>2 ; printf("%d",a); return 0; }

1692

write a function to give demostrate the functionality of 3d in 1d. function prototye: change(int value,int indexX,int indexY,int indexZ, int [] 1dArray); value=what is the date; indexX=x-asix indexY=y-axis indexZ=z-axis and 1dArray=in which and where the value is stored??

4747

Write a program to model an exploding firecracker in the xy plane using a particle system

4203

How to palindrom string in c language?

11345

Set up procedure for generating a wire frame display of a polyhedron with the hidden edges of the object drawn with dashed lines

3627

What is the match merge ? compare data step match merge with proc sql merge - how many types are there ? data step vs proc sql

2981

Can you send Code for Run Length Encoding Of BMP Image in C Language in linux(i.e Compression and Decompression) ?

4460

could you please send the program code for multiplying sparse matrix in c????

3623

why do you use macros? Explain a situation where you had to incorporate macros in your proc report? use a simple instream data example with code ?

2823

Sir... please give some important coding questions asked by product companies..

2330

What is the difference between proc means and proc tabulate ? explain with a simple example when you have to use means or tabulate?

4620

how to create a 3x3 two dimensional array that will give you the sums on the left and bottom columns

3702

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