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

C Code Interview Questions

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#define prod(a,b) a*b main() { int x=3,y=4; printf("%d",prod(x+2,y-1)); }

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main() { unsigned int i=65000; while(i++!=0); printf("%d",i); }

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main() { int i=0; while(+(+i--)!=0) i-=i++; printf("%d",i); }

CSC, GoDB Tech, IBM,

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main() { float f=5,g=10; enum{i=10,j=20,k=50}; printf("%d\n",++k); printf("%f\n",f<<2); printf("%lf\n",f%g); printf("%lf\n",fmod(f,g)); }

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main() { int i=10; void pascal f(int,int,int); f(i++,i++,i++); printf(" %d",i); } void pascal f(integer :i,integer:j,integer :k) { write(i,j,k); }

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void pascal f(int i,int j,int k) { printf(“%d %d %d”,i, j, k); } void cdecl f(int i,int j,int k) { printf(“%d %d %d”,i, j, k); } main() { int i=10; f(i++,i++,i++); printf(" %d\n",i); i=10; f(i++,i++,i++); printf(" %d",i); }

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What is the output of the program given below main() { signed char i=0; for(;i>=0;i++) ; printf("%d\n",i); }

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main() { unsigned char i=0; for(;i>=0;i++) ; printf("%d\n",i); }

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main() { char i=0; for(;i>=0;i++) ; printf("%d\n",i); }

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Is the following statement a declaration/definition. Find what does it mean? int (*x)[10];

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What is the output for the program given below typedef enum errorType{warning, error, exception,}error; main() { error g1; g1=1; printf("%d",g1); }

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typedef struct error{int warning, error, exception;}error; main() { error g1; g1.error =1; printf("%d",g1.error); }

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#ifdef something int some=0; #endif main() { int thing = 0; printf("%d %d\n", some ,thing); }

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#if something == 0 int some=0; #endif main() { int thing = 0; printf("%d %d\n", some ,thing); }

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What is the output for the following program main() { int arr2D[3][3]; printf("%d\n", ((arr2D==* arr2D)&&(* arr2D == arr2D[0])) ); }

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

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write a program for area of circumference of shapes

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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.

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how to test pierrot divisor

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

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can you use proc sql to manpulate a data set or would u prefer to use proc report ? if so why ? make up an example and explain in detail

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What is data _null_? ,Explain with code when u need to use it in data step programming ?

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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.

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What is full form of PEPSI

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how to programme using switch statements and fuctions, a programme that will output two even numbers, two odd numbers and two prime numbers of the users chioce.

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

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why nlogn is the lower limit of any sort algorithm?

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

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