Thursday, 24 March 2016

C Program For Convert Octal Number to Decimal and Vice Versa Using Function

#include <stdio.h>
#include <math.h>
int decimal_octal(int n);
int octal_deciaml(int n);
int main()
{
   int n;
   char c;
   printf("Instructions:\n");
   printf("1. Enter alphabet 'o' to convert decimal to octal.\n");
   printf("2. Enter alphabet 'd' to convert octal to decimal.\n");
   scanf("%c",&c);
   if (c =='d' || c == 'D')
   {
       printf("Enter an octal number: ");
       scanf("%d", &n);
       printf("%d in octal = %d in decimal", n, octal_decimal(n));
   }
   if (c =='o' || c == 'O')
   {
       printf("Enter a decimal number: ");
       scanf("%d", &n);
       printf("%d in decimal = %d in octal", n, decimal_octal(n));
   }
   return 0;
}

int decimal_octal(int n) /* Function to convert decimal to octal */
{
    int rem, i=1, octal=0;
    while (n!=0)
    {
        rem=n%8;
        n/=8;
        octal+=rem*i;
        i*=10;
    }
    return octal;
}

int octal_decimal(int n) /* Function to convert octal to decimal */
{
    int decimal=0, i=0, rem;
    while (n!=0)
    {
        rem = n%10;
        n/=10;
        decimal += rem*pow(8,i);
        ++i;
    }
    return decimal;
}

Output:-

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Ghanendra Yadav

Ghanendra Yadav

Hello, I Am Ghanendra Yadav Owner of This Blog, I am professional Blogger and Programmer. I Love Programming, Logo Making, And Banner Designing. My Highest Qualification is MCA From NIT Warangal. You Can Find Me On Social Media Through Below Link And If You Have Any Query Related To Programming And Other Subject Comment Below or You Can Mail Me I Will Try To Answer Within 24 Hours Email:- yghanendra@student.nitw.ac.in

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