how to convert decimal to binary in c using while loop without using arra

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Question

how to convert decimal to binary in c using while loop 
without using array

Question Submitted By :: Guest

I also faced this Question!!

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Answer Posted By

Re: how to convert decimal to binary in c using while loop without using array

Answer
# 1

Void main()
{
   int dec,i=1,rem,res=0;
   Printf("Enter the Value %d",&dec);
   while(dec!=0)
    {
        rem=dec%2;
        dec=dec/2;
        res=res+(i * 1);
        i=i*10;

    }
printf("The Binary value is %d",res);
}

Is This Answer Correct ?

8 Yes

26 No

Sudha

Re: how to convert decimal to binary in c using while loop without using array

Answer
# 2

main()
{
    int dec,rem,ans=0;
    printf("Enter the number\n");
    scanf("%d",&dec);
    while(dec>=2)
    {
        rem=dec%2;
        dec=dec/2;
        if(rem==0)
            ans=ans*10;
        else
        ans=(ans*10)+1;
    }
    printf("The binary number is");
    while(ans>0)
    {
        rem=ans%10;
        ans=ans/10;
        printf("%d",rem);
    } 
    getch();
    return 0;
}

Is This Answer Correct ?

7 Yes

9 No

Sujeeshkrishnan

Re: how to convert decimal to binary in c using while loop without using array

Answer
# 3

void main()
{
   int dec,rem,i=1;
   long int bin=0;
   printf("Enter the decimal number : ");
   scanf("%d",&dec);
   while(dec>0)
   {
      rem=dec%2;
      dec=dec/2;
      bin=bin+(i*rem);
      i=i*10;
   }
   printf("The binary number is %l",bin);
   getch();
}

Explanation:
The output variable bin is taken as long int bcoz it might 
exceed the range of normal int.

e.g.
dec=25

Then

bin=(1*1)+(10*0)+(100*0)+(1000*1)+(10000*1)
   =11001

Is This Answer Correct ?

21 Yes

8 No

Lakshya Mehra

Re: how to convert decimal to binary in c using while loop without using array

Answer
# 4

#include<stdio.h>

int main()
{
int n, rem, num, i=1;

printf("enter no\n");
scanf("%d", &n);

while(n>0 )
 {
    rem = n % 2;
    n = n/2;
    num = (rem * i)+num;
    i = i  * 10;
 }
 
 printf("binary no: %d", num);
}

Is This Answer Correct ?

2 Yes

8 No

Sachin

Re: how to convert decimal to binary in c using while loop without using array

Answer
# 5

@sudha
ur code is abs right with a minor mistake.
main()
{
int num,rem,b=0,i=1;
printf("enter num");
scanf("%d",&num);
while(num)
{
          rem=num%2;
          num=num/2;
          b=b+rem*i;
          i=i*10;
           }
           printf("\n%d",b);

}

Is This Answer Correct ?

9 Yes

6 No

@pravin.08

Re: how to convert decimal to binary in c using while loop without using array

Answer
# 6

all these answers crap

when you
b = b+rem*i
b is filled with int number
and adds the next one to it in the loop 
so it wont be as  b= 10011001
it will be b= the number i have intered 
you idiots ....

Is This Answer Correct ?

7 Yes

3 No

Sam

Re: how to convert decimal to binary in c using while loop without using array

Answer
# 7

/* convert a decimal number to binary */
	int dectobin(int dec)
	{
		int bin=0, i=1;
		while(dec!=0)
		{
			bin+=(dec%2)*i;
			dec=dec/2;
			i*=10;
		}
		return bin;
	}

Is This Answer Correct ?

3 Yes

4 No

Nick

Question	Asked @	Answers
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