WAP to convert Decimal to Octal number System

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C program to Convert Decimal to Octal
This C Program Converts the given Decimal to Octal. Octal is a numbering system that uses eight digits, 0 to 7, arranged in a series of columns to represent all numerical quantities. Each column or place value has a weighted value of 1, 8, 64, 512, and so on ranging from right to left. Decimal is a term that describes the base-10 number system commonly used by lay people in the developed world.
Here is source code of the C program to Convert Decimal to Octal. The C program is successfully compiled and run on a Linux system. The program output is also shown below.

1. /*
2.  * C program to Convert Decimal to Octal
3.  */
4. #include <stdio.h>
5.  
6. int main()
7. {
8.     long decimalnum, remainder, quotient;
9.     int octalNumber[100], i = 1, j;
10.  
11.     printf("Enter the decimal number: ");
12.     scanf("%ld", &decimalnum);
13.     quotient = decimalnum;
14.     while (quotient != 0)
15.     {
16.         octalNumber[i++] = quotient % 8;
17.         quotient = quotient / 8;
18.     }
19.     printf("Equivalent octal value of decimal no %d: ", decimalnum);
20.     for (j = i - 1; j > 0; j--)
21.         printf("%d", octalNumber[j]);
22.     return 0;
23. }
Output:
$ cc pgm11.c
$ a.out
Enter the decimal number: 68
Equivalent octal value of decimal no 68: 104


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