Decimal to Octal

Q. Write a program in C to convert a decimal number to its octal equivalent.

Ans.

Coding 4 decimal to octal

#include<stdio.h>

#include<conio.h>

void convert(int num, int rem);

int main()

{

 int n,m;

 printf("Enter number to change in octal: ");

 scanf("%d",&n);

 convert(n,m);

 return 0;

}

void convert(int num, int rem)

{

 if(rem==0)

    return;

 rem=num%8;

 num=num/8;

 convert(num,rem);

 if(rem!=0)

    printf("%d",rem);

}

/******************Output************

Enter number to change in octal : 786

1422

Hence, (786)₁₀=(1422)₈

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