Answer / vadivelt

Do shift the given number left once.
ie., n<<1

Answer / manoj sharma

You can use left bitwise operator.
Say if your no is n then n<<1 will return n*2.

Answer / paramesh

#include<stdio.h>
#include<conio.h>
void main()
{
int a;
printf("Enter the number")
scanf("%d",&a);
printf("%d double number is %d", a,a<<1);
getch();
}

Answer / sandeep

#include<stdio.h>
#include<conio.h>
void main()
{
int num;
printf("Enter a floating point value");
scanf("%f",&num);
printf("Given no is %f and twice of number is %f"num,num-(-num));
getch();
}

Answer / venu

lol, you can't use bitwise operators on double. can be used
only for integers.

Answer / manish soni bca 3rd year jaipu

#include<stdio.h>
#include<conio.h>
void main()
{
int a;
printf("Enter number which you want to
double");
scanf("%d",&a);
printf("THE NUMBER IS %d AND DOUBLE NO IS %
d.",a,a<<1);
getch();//optional to write getch();
}

An expression to whose value an operater is applied a) operand b) variable c) constant d) all of the above

0 Answers  

What is true about the following C Functions a.Need not return any value b.Should always return an integer c.Should always return a float d.Should always return more than one value.

11 Answers   TCS,

1. Duplicate the even numbers. -1 Sample I/O Array1:- 4,2,24,3,22 Updated Array:- 4,4,2,2,24,24,3,22,22 2. Reverse the array in a region - 1 Sample I/O Array1:- 4,2,24,3,22,41,21 Enter Region:- 2,5 Update Array:-4,41,22,3,24,2,21 3. Store first the even digits in an array and then odd digits in same array -2 Sample I/O Array1:- 4,2,24,3,22,41,21 Array 2:- 4,2,2,4,2,2,4,2,3,1,1 4. Store the count of the digits in all numbers in an array and print the count. -2 Sample I/O Array1:- 4,2,9,3,7,41,28 Array 2:- 0,1,1,1,2,0,0,1,1,1 1-1;2-1;3-1;4-2;7-1;8-1;9-1 5. Store all palindrome numbers in to another array -2 Sample I/O Array1:- 4,22,9,313,7,141,28 Array 2:- 4,22,9,313,141 6. Arrange the array in such a way that odd numbers come first and then even numbers -1 Sample I/O Array1:- 4,22,9,313,7,141,28 Update Array1:- 9,313,7,141,4,22,28 7. Store into another array by inserting it in the right place - 2 Sample I/O Array1:- 4,22,9,313,7,141,28 Array2:- 4 /4,22 /4,9,22 /4,9,22 ,313 /4,7,9,22 ,313 /4,7,9,22 ,141,313 / 4,7,9,22,28 ,141,313 8. Merge two sorted arrays in a sorted fashion - 3 Sample I/O Array 1:- 3,6,7,9,11,16 Array 2:- 1,2,5,7,20 Array 3:- 1,2,3,5,6,7,9,11,16,20 9. Upadte the array so that an array element is followed by its revere - 1 Sample I/O Array 1:- 13,63,74,9,11,16 Updated Array 1:- 13,31,63,36,74,47,9,9,11,11,16,16 10.Spread the digits of the array in the same array. -1 Sample I/O Array 1:- 13,63,74,9,11,16 Updated Array 1:-1,3,6,3,74,9,1,1,1,6 11.Shift the boundary of array to have only 2 digit numbers. Sample I/O Array 1:- 139,643,74,9,101,126 Updated Array 1:- 13,96,43,74,91,11,26 12.Print the largest occuring digit in an array of N numbers. Sample I/O Array 1:- 13,63,74,9,11,16 1 occurs most.

2 Answers   Intel,

swap 2 numbers without using third variable?

0 Answers   IBS,

int i; i=2; i++; if(i=4) { printf(i=4); } else { printf(i=3); } output of the program ?

15 Answers   Mascot,

What will the preprocessor do for a program?

0 Answers   Aspire, Infogain,

can anyone proide me reading material on svit00ef27@yahoo.com please thanx in advance

1 Answers   IBM,

code for replace tabs with equivalent number of blanks

0 Answers   Bosch,

Why does everyone say not to use gets?

0 Answers  

What is the difference between union and structure in c?

0 Answers  

Write a code to determine the total number of stops an elevator would take to serve N number of people.

0 Answers   Expedia,

What is page thrashing?

0 Answers