Answer Posted / dinesh kumar.s

#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,k,a;
clrscr();
printf("program created by dinesh mca anna university\n");
printf("enter the number\n");
scanf("%d",&a);

j=a;

if( a%2==0 || a%3==0 )
{
for(i=2;i<=a;i++)
if(a%i==0)
if (i==j)
{
printf("prime number");
break;
}

else
{
printf("not");
break;
}
}
else
{
printf("prime number");

}

getch();
}

Which header file should you include if you are to develop a function which can accept variable number of arguments?

815

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What is the argument of a function in c?

579

---

Explain a file operation in C with an example.

665

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In a byte, what is the maximum decimal number that you can accommodate?

629

---

What are header files why are they important?

587

---

---

What is preprocessor with example?

593

---

write a proram to reverse the string using switch case?

2473

---

Who developed c language and when?

590

---

Read N characters in to an array . Use functions to do all problems and pass the address of array to function. 1. Print only the alphabets . If in upper case print in lower case vice versa. 2. Enter alphanumeric characters and form 2 array alphaets and digits.Also print the count of each array. 3. Find the count of a certain character. 4. Print the positions where a certain character occured. 5. Print the characters between successive array elements. 6. Find the largest and smallest charcter. How many times it each one occured. 7. Enter a certain range. Print out the array elements which occured between these range. 8. Reverse a character array without using another array. 9. Reverse an array region. 10. Replace a the array elements with it next character . Use a after z. 11. Code the array element with certain character as first alphabet. 12. Duplicate all the vowels in a character array. What is the new count. 13. Delete the vowels in a character array. What is the new array count. 14. Print the count of all characters in the array. 15. Enter n alphabets and store a upto tht charcter in array.What is the array count? 16. Sort a character array. 17. Merge 2 character arrays largearray,smallarray. 18. Find the pair with largest number of characters in between. 19. Find the numerical value of a charcter array. 20. Store n numeral characters in an arrray. Insert another numeral character in a certain position. 21. Insert a character in a sorted array. 22. Merge 2 sorted arrays in sorted fashion. 23. Duplicate the least occuring character. 24. Write a menu driven program to circular right/left shift an array of n elements. 25. Is the character array palindrome? if not make it palindrome. 26. Concatenate the first n charaters to the end of the string. 27. Print all n group of chracters which are palindrome. 28. Concatneate the reverse of last n characters to the array.

3348

---

Can we change the value of #define in c?

588

---

What the different types of arrays in c?

618

---

Write a program to know whether the input number is an armstrong number.

675

---

How many loops are there in c?

584

---

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

636

---

What is the difference between a function and a method in c?

567

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