Input
Enter the decimal number : 19Output
Octal equivalent of given number : 23 Input
Enter the decimal number : 12Output
Octal equivalent of given number : 14Step 1: START
Step 2: Enter a number 'num' as an input.
Step 3: Calculate remainder i.e(num%8) and store it into an array
Step 4: Divide the num by 2 i.e (num/8)
Step 5: Repeat the step 3 and 4 until the num is greater than zero
Step 6: END
/* Decimal to Octal Conversion */
#include <stdio.h>
int main()
{
int num,oct[10],i,j;
printf(" Enter the decimal number : ");
scanf("%d",&num);
for(i=0;num>0;i++)
{
oct[i]=num%8;
num/=8;
}
printf(" Octal of given number is = ");
for(j=i-1;j>=0;j--)
printf("%d",oct[j]);
return 0;
}/* Decimal to Octal Conversion */
#include <iostream>
using namespace std;
int main()
{
int num,oct[10],i,j;
cout<<" Enter the decimal number : ";
cin>>num;
for(i=0;num>0;i++)
{
oct[i]=num%8;
num/=8;
}
cout<<" Octal of given number is = ";
for(j=i-1;j>=0;j--)
cout<<oct[j];
return 0;
}Enter the decimal number : 19
Octal of given number is : 23
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