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

C Interview Questions

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What is wrong with this code such that it doesnt produce the input reversed? #include #include #include int main(void) { char Space = ' '; char LineOfText; float count; LineOfText = getchar(); while ((LineOfText = getchar()) != '/n'); { count = strlen(LineOfText) - 1; while (count >= 0) { putchar(LineOfText[count]); count--; } } getchar(); return 0; }

2 4106

how to add two numbers without using arithmetic operators?

4 6280

write a program to add two numbers of any size.....(remember any size)

1 3619

Write a program in c using only loops to print * * * * * *******

IBM,

2 4545

20. main() { int i=5; printf("%d%d%d%d%d%d",i++,i--,++i,--i,i); } Answer:??????

2 5371

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

3 9583

array of pointer pointer to array pointer to pointer

MAHINDRA,

1 3945

#include #include void main() { int m=0111,n=20; printf("%d%d\n",m,n); getch(); }

1 3755

Write a program in c to print * * * * * *******

1 3289

Ca some one please help me with aC code to allow user enter numbers from 1 to 20 without repeating and prnt the sum of those numbers thnx

4 5701

Write a program in "C" to calculate the root of a quadratic equation ax^2+bx+c=0, where the value of a,b & c are known.

2236

how to make a scientific calculater ?

2071

You are to write your own versions of strcpy() and strlen (). Call them mystrcpy() and mystrlen(). Write them first as code within main(), not as functions, then, convert them to functions. You will pass two arrays to the function in the case of mystrcpy(), the source and target array.

2339

Write a program in c to print 1 121 12321 1234321 123454321

ANR, College School Exams Tests, Mu Sigma, Wipro,

11 64349

will u please send me the placement papers to my mail???????????????????

1840

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Un-Answered Questions { C }

Why pointers are used?

1076

write a program for the normal snake games find in most of the mobiles.

2260

how to print electricity bill according to following charges first 100 units -1rs per unit for next 200 units-1.50 rs per unit without using conditions

3179

Are comments included during the compilation stage and placed in the EXE file as well?

1085

Tell us the use of fflush() function in c language?

1145

Write a program to print numbers from 1 to 100 without using loop in c?

1085

What is structure padding and packing in c?

1071

Difference between exit() and _exit() function?

1136

the 'sizeof' operator reported a larger size than the calculated size for a structure type. What could be the reason?

1002

What is floating point constants?

1138

i = 25;switch (i) {case 25: printf("The value is 25 ");case 30: printf("The value is 30 "); When the above statements are executed the output will be : a) The value is 25 b) The value is 30 c) The value is 25 The value is 30 d) none

1071

Why main is not a keyword in c?

1258

Explain what is the benefit of using an enum rather than a #define constant?

1222

What extern c means?

1005

What are the types of pointers?

1115

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