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C Interview Questions
Questions Answers Views Company eMail

char *p="name"; printf(p);

1 2567

please help me..... please codes and flowchart plz turbo c lang po yan.....please asap response... 3. Make an astrology program. The user types in his or her birthday (month, day, and year as integer), and the program responds with the user’s zodiac sign, horoscope, and other information related to it. If the user’s birth year falls into a leap year, your program should display an appropriate message for it. NOTES: Conditional Statements: it should be with graphics

3338

main() {int i=5; // line 1 i=(++i)/(i++); // line 2 printf("%d",i); // line 3 } output is 2 but if we replace line 2 and line 3 by printf("%d",i=(++i)/(i++)); then output is 1. Why?

GATE,

1 8332

#include { printf("Hello"); } how compile time affects when we add additional header file .

1895

Calculate the weighted average of a list of n numbers using the formula xavg = f1x1+f2x2+ ….+ fnxn where the f’s are fractional weighting factors, i.e., 0<=fi<1, and f1+f2+….+fn = 1

4278

what is difference between null and nul in c language

2 5751

what are non standard function in c

1914

#include int f(int,int); int main() { printf("%d",f(20,1)); return 0; } int f(int n,int k) { if(n==0) return 0; else if(n%2)return f(n/2,2*k)+k; else return f(n/2,2*k)-k; } how this program is working and generating output as 9....?

1 5855

what is the c source code for the below output? 5555555555 4444 4444 333 333 22 22 1 1 22 22 333 333 4444 4444 5555555555

Wipro,

3072

what is the c source code for the below output? 10 10 10 10 10 10 10 10 10 10 9 9 7 6 6 6 6 6 6 9 7 5 9 7 3 2 2 5 9 7 3 1 5 9 7 3 5 9 7 4 4 4 4 5 9 7 8 8 8 8 8 8 8 8 9

1835

what is the c source code for the below output? 1 0 1 1 0 1 0 1 0 1 1 0 1 0 1

2003

write a program to input 10 strings and compare without using strcmp() function. If the character of one string matches with the characters of another string , sort them and make it a single string ??? example:- str1="Aakash" st2="Himanshu" str="Uday" output:- Aakashimanshuday (please post the answer as quickly as possible)

Google,

2102

how to multiply two number taking input as a string (considering sum and carry )

Wipro,

2 5252

Write a code to reverse string seperated by spaces i/p str=India is my country o/p str=aidnI si ym yrtnuoc After writing code, optimize the code

1 7248

difference between the array and linked list general difference related to memory

2 4069


Post New C Questions

Un-Answered Questions { C }

A set of N billiard balls are set on a one-dimensional table. The table is 1 meter long, set north-south with two pockets at either side. Each ball has zero width and there is no friction so it is moving with a fixed velocity of either northward or southward and bounces back in a perfect elastic collision from other balls it encounter on its way (or drop into one of the pockets). Your job is to keep track of the balls movements. Task Please write a program that gets the initial place, speed and direction of all the balls and gives the position of a specific ball after t seconds. Input The first line contains the number of scenarios. Each one of the other lines in the input contains a scenario: The first number, N, is the number of balls; followed by N pairs of numbers: the distance in centimeters from the south end of the table and the speed (positive speed meaning it moves northward); the last two numbers are the number i of the target ball you should track and the time T in seconds. Output The output is a single number for each line which is the place (distance in centimeters from the south end of the table) of the tracked ball after T seconds. Note: There is no new line character at the end of the result. Sample Input 5 1 50 1 1 1000 1 50 1 1 6 1 60 -2 1 6 2 10 1 95 -1 2 30 2 10 1 95 -1 2 60 Sample Output 100 56 48 65 70

2678


What is line in c preprocessor?

1061


Is the exit() function same as the return statement? Explain.

1103


Explain the difference between structs and unions in c?

1028


What is the equivalent code of the following statement in WHILE LOOP format?

1307


What is sizeof int in c?

1059


What does volatile do?

981


Can 'this' pointer by used in the constructor?

1096


Why void is used in c?

1019


Explain what will the preprocessor do for a program?

1069


What is the difference between pure virtual function and virtual function?

1122


If a variable is a pointer to a structure, then which operator is used to access data members of the structure through the pointer variable?

1263


any limit on the number of functions that might be present in a C program a) max 35 functions b) max 50 functions c) no limit d) none of the above

1051


What is zero based addressing?

1171


What is calloc in c?

1143