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 4122

how to add two numbers without using arithmetic operators?

4 6296

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

1 3626

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

IBM,

2 4558

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

2 5382

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

3 9595

array of pointer pointer to array pointer to pointer

MAHINDRA,

1 3958

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

1 3763

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

1 3298

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 5724

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.

2239

how to make a scientific calculater ?

2079

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.

2344

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

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

11 64374

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

1845

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Un-Answered Questions { C }

Tell me when is a void pointer used?

1189

what are the program that using a two dimensional array that list the odd numbers and even numbers separately in a given 10 inputs values

1708

The program will first compute the tax you owe based on your income. User is prompted to enter income. Program will compute the total amount of tax owed based on the following: Income Tax 0 - $45,000 = 0.15 x income $45,001 - $90,000 = 6750 + 0.20 x (income – 45000) $90,001 - $140,000 = 15750 + 0.26 x (income – 90000) $140,001 - $200,000 = 28750 + 0.29 x (income – 140000) Greater than $200,000 = 46150 + 0.33 x (income – 200000) Dollar amounts should be in dollars and cents (float point numbers with two decimals shown). Tax is displayed on the screen.

1643

What are dangling pointers? How are dangling pointers different from memory leaks?

1330

Why can arithmetic operations not be performed on void pointers?

1054

What is the return type of sizeof?

1068

Tell us two differences between new () and malloc ()?

1209

What is LINKED LIST? How can you access the last element in a linked list?

1077

What are c preprocessors?

1208

What are the back slash character constants or escape sequence charactersavailable in c?

1185

Why ca not I do something like this?

1019

Explain how can you restore a redirected standard stream?

1104

What are identifiers and keywords in c?

1109

Why can’t constant values be used to define an array’s initial size?

1391

How do I read the arrow keys? What about function keys?

1094

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