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

C Code Interview Questions

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#include main() { char s[]={'a','b','c','\n','c','\0'}; char *p,*str,*str1; p=&s[3]; str=p; str1=s; printf("%d",++*p + ++*str1-32); }

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#include main() { int a[2][2][2] = { {10,2,3,4}, {5,6,7,8} }; int *p,*q; p=&a[2][2][2]; *q=***a; printf("%d----%d",*p,*q); }

1 5605

#include main() { struct xx { int x=3; char name[]="hello"; }; struct xx *s; printf("%d",s->x); printf("%s",s->name); }

Hexaware,

3 16051

#include main() { struct xx { int x; struct yy { char s; struct xx *p; }; struct yy *q; }; }

1 5758

main() { printf("\nab"); printf("\bsi"); printf("\rha"); }

3 33057

main() { int i=5; printf("%d%d%d%d%d%d",i++,i--,++i,--i,i); }

7 52576

#define square(x) x*x main() { int i; i = 64/square(4); printf("%d",i); }

Google, HCL, Quick Heal, WTF,

4 37465

main() { char *p="hai friends",*p1; p1=p; while(*p!='\0') ++*p++; printf("%s %s",p,p1); }

3 14732

#include #define a 10 main() { #define a 50 printf("%d",a); }

2 17443

#define clrscr() 100 main() { clrscr(); printf("%d\n",clrscr()); }

2 19515

main() { 41printf("%p",main); }8

1 5867

main() { clrscr(); } clrscr();

2 5053

enum colors {BLACK,BLUE,GREEN} main() { printf("%d..%d..%d",BLACK,BLUE,GREEN); return(1); }

2 7579

void main() { char far *farther,*farthest; printf("%d..%d",sizeof(farther),sizeof(farthest)); }

2 8483

main() { int i=400,j=300; printf("%d..%d"); }

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Un-Answered Questions { C Code }

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??

4693

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 ?

2779

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

4152

In a gymnastic competition, scoring is based on the average of all scores given by the judges excluding the maximum and minimum scores. Let the user input the number of judges, after that, input the scores from the judges. Output the average score. Note: In case, more than two judges give the same score and it happens that score is the maximum or minimum then just eliminate two scores. For example, if the number of judges is 5 and all of them give 10 points each. Then the maximum and minimum score is 10. So the computation would be 10+10+10, this time. The output should be 10 because 30/3 is 10.

2966

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

3591

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

2279

How can I Create a C program in splitting set of characters to specific subsets. Example: INPUT SET OF CHARACTERS: Therefore, my dear brothers and sisters, stand firm. Let nothing move you. Always give yourselves fully to the work of the Lord, because you know that your labor in the Lord is not in vain. SPLIT INTO HOW MANY CHARACTERS PER SUBSETS: 10 OUTPUT: Therefore, my dear b rothers an d sisters, stand fir m. Let not hing move you. Alway s give you rselves fu lly to the work of t he Lord, b ecause you know that your labo r in the L ord is not in vain.

2553

create a C-code that will display the total fare of a passenger of a taxi if the driver press enter,the timer will stop. Every 10 counts is 2 pesos. Initial value is 25.00

6994

How do you verify if the two sentences/phrases input is an anagram using predefined functions in string.h and by using arrays?

2559

How can you relate the function with the structure? Explain with an appropriate example.

3462

A program that will create a movie seat reservation. The program will display the summary seats and its status. The user will be ask what seat no. to be reserved, then it will go back again to the summary to display the updated seat status. If the seat no. is already reserved then it will prompt an error message. And also if the input seat no is out of range then it will also prompt an error message. The program is continuously running. Termination of the program will depends on how the programmer will apply. Sample output: Movie Seats Reservation Summary of Seats: Seat 1: Available Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 1 Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 6 The Seat no. is out of range! Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 1 The Seat no. is already reserved! Movie Seats Reservation Summary of Seats: Seat 1: Reserve Seat 2: Available Seat 3: Available Seat 4: Available Seat 5: Available Enter seat no. (Press 0 to terminate Or the assigned seat capacity) : 0 GoodBye... Thank You!!!

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Write a Program in 'C' To Insert a Unique Number Only. (Hint: Just Like a Primary Key Numbers In Database.) Please Some One Suggest Me a Better Solution for This question ??

2480

why nlogn is the lower limit of any sort algorithm?

2864

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

4539

write a c program to input initial & final time in the format hh:mm and find the time intervel between them? Ex inputs are initial 06:30 final 00:05 and 23:22 final 22.30

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