Answer / srinivasu

i have written in java
import java.io.*;
public class ThreeDigit
{
public static void main(String args[])throws IOException
{
double t=1;
DataInputStream ds=new DataInputStream(System.in);
System.out.print("Enter Three Digit Number");
int n=Integer.parseInt(ds.readLine());
int k=0;
for(int i=1;i<=n;i++)
{
t=t*2;
}
t=t+1;
int x=2;
do
{
if(t%x==0)
{
System.out.println("The 2^n+1 of given 3 digit
number" +t+ "is not prime");
System.out.println("The factors for" +t+ "are:");
for(int p=1;p<=t;p++)
{
if(t%p==0)
{k++;
System.out.println("The"+k+"factor is"+p);
}
}
System.exit(0);
}
x++;
}while(x<t);
System.out.println("The 2^n+1 number"+t+"is prime");
System.exit(0);
}
}

Answer / pradeep

I got this question in the test, and have to submit the
solution in 1day. Please help me out. :(

Answer / nitin garg

#include<stdio.h>
#include<conio.h>
#include<string.h>

int main()
{
int num,i,sum=1,flag=0;
printf("enter three digit no
");
scanf("%d",&num);

for(i=1;i<=num;i++)
{
sum=sum*2;
}
sum++;
printf("
%d",sum);

for(i=2;i<sum/2;i++)
{
if(sum%i==0)
flag=1;
}
if(flag==0)
printf("
number is prime");
printf("

factor is below:
");

for(i=1;i<=sum;i++)
{
if(sum%i==0)
printf("%d ",i);
}

getch();
return 0;
}

program that accepts amount in figures and print that in words

2 Answers   Infosys, Lovely Professional University, Wipro,

---

What are the advantages of using linked list for tree construction?

0 Answers  

---

What is the scope of static variables?

1 Answers  

---

Given a piece of code int x[10]; int *ab; ab=x; To access the 6th element of the array which of the following is incorrect? (A) *(x+5) (B) x[5] (C) ab[5] (D) *(*ab+5} .

2 Answers   Oracle,

---

write a c program to accept a given integer value and print its value in words

4 Answers   Vernalis, Vernalis Systems,

---

how can i calculate mean,median,mode by using c program

1 Answers   HCL,

---

What is the use of pointers in C?

0 Answers   Impetus, Motorola, Tavant Technologies, Virtusa,

---

What are different types of pointers?

0 Answers  

---

What is the need of structure in c?

0 Answers  

---

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?

1 Answers   GATE,

---

write a string copy function routine?

2 Answers  

---

Concat two string with most overlapped substring has to remove  "abcd"+ "cdef" = "abcdef

6 Answers  

---