Answer Posted / sreejesh1987

int rev(int,int);
void main()
{
int a,b;
clrscr();
printf("\nEnter the number to reverse:");//456
scanf("%d",&a);
b=a%10;//b=6
printf("\nReverse of the number is: %d",rev(a,b));
getch();
}

int rev(int a,int b)
{
if(a>9)//456
{
a=a/10;//a=45
b=b*10+a%10;//65
return rev(a,b);
}
else
return b;
}

What is signed and unsigned?

1014

---

1) write a program to generate 1st n fibonacci prime numbers using Nested if 2) write a program to generate twin prime numbers from m to n using nested if 3) write a program to check whether a given integer is a strong number or not using nested if 4) Write a program to generate prime factors of a given integer using nested if 5)write a program to generate prime numbers from m to n using nested if 6)write a program to generate perfect numbers from m to n using nested if 7)write a program to generate the pallindromes from m to n using neste if 8)write a program to generate armstrong numbers from m to n using nested if 9)write a program to generate strong numbers from m to n using nested if

4539

---

Explain the properties of union.

1019

---

What is difference between %d and %i in c?

1181

---

Compare interpreters and compilers.

1027

---

What is the difference between NULL and NUL?

1245

---

Explain setjmp()?

1008

---

cin.ignore(80, _ _);This statement a) ignores all input b) ignores the first 80 characters in the input c) ignores all input till end-of-line d) iteration

1055

---

What does p mean in physics?

989

---

What is the difference between Printf(..) and sprint(...) ?

1426

---

What are the three constants used in c?

930

---

What is preprocessor with example?

998

---

What is calloc in c?

1079

---

Explain how can you determine the size of an allocated portion of memory?

1041

---

How do I get an accurate error status return from system on ms-dos?

1075

---