INTERVIEW QUESTIONS PROGRAMMING LANGUAGES C DETAILS

Question: How to convert decimal to octal and hexadecimal?

Answer: /*To Convert a Decimal number to Octal and Hexadecimal*/
#include<stdio.h>
#include<conio.h>
void main()
{
int m,i,n,z,x,b,c,d[100];
clrscr();
printf("Enter a Number : ");
scanf("%d",&n);
z=n;
b=1;
while(n>0)
{c=n%8;
b=b*10+c;
n=n/8;}
n=b;
b=0;
while(n>0)
{c=n%10;
b=b*10+c;
n=n/10;}
b=b/10;
printf("Octal Value for the given number is : %d ",b);
n=z;
b=0;
i=0;
while(n>0)
{c=n%16;
d[i]=c;
n=n/16;
x=i++;}
printf("Hexadecimal Value for the given number is : ");
for(i=x;i>=0;i--)
{if(d[i]<10)
printf("%d",d[i]);
else
{m=(d[i]-9)-1;
printf("%c",'A'+m);}
}
getch();
}

/*To Convert a Decimal number to Octal and Hexadecimal*/
#include<stdio.h>
#include<conio.h>
void main()
{
int m,i,n,z,x,b,c,d[100];
clrscr();
printf("Enter a Number : ");
scanf("%d",&n);
z=n;
b=1;
while(n>0)
{c=n%8;
b=b*10+c;
n=n/8;}
n=b;
b=0;
while(n>0)
{c=n%10;
b=b*10+c;
n=n/10;}
b=b/10;
printf("Octal Value for the given number is : %d ",b);
n=z;
b=0;
i=0;
while(n>0)
{c=n%16;
d[i]=c;
n=n/16;
x=i++;}
printf("Hexadecimal Value for the given number is : ");
for(i=x;i>=0;i--)
{if(d[i]<10)
printf("%d",d[i]);
else
{m=(d[i]-9)-1;
printf("%c",'A'+m);}
}
getch();
} Source: CoolInterview.com

If you have the better answer, then send it to us. We will display your answer after the approval.

Rules to Post Answers in CoolInterview.com:-

• There should not be any Spelling Mistakes.
• There should not be any Gramatical Errors.
• Answers must not contain any bad words.
• Answers should not be the repeat of same answer, already approved.
• Answer should be complete in itself.

Name :*
Email Id :*
Answer :*
Verification Code	Not readable? Load New Code
Enter the above shown code: *
	Inform me about updated answers to this question