C Program To Convert Octal To Decimal Number In One Line

Lets write a C program to convert a number from Octal number system(base 8) to Decimal number system(base 10) in one line.

Related Read:
C Program To Convert Octal Number To Decimal Number, using While Loop

Expected Output for the Input

User Input:
Enter an Octal number
41

Output:
Decimal Representation of Octal Number 41 is 33.

Logic To Convert Octal To Decimal Number In One Line of Code

In c programming language, any octal number(%o format specifier) you store will also be stored in decimal form and you can print it using %d format specifier.

Video Tutorial: C Program To Convert Octal To Decimal Number In One Line

Source Code: C Program To Convert Octal To Decimal Number In One Line

#include < stdio.h >

int main()
{
    int num;

    printf("Enter an Octal number\n");
    scanf("%o", &num);

    printf("\nDecimal Representation of Octal Number %o is %d\n", num, num);

    return 0;
}

Output 1:
Enter an Octal number
20

Decimal Representation of Octal Number 20 is 16

Output 2:
Enter an Octal number
51

Decimal Representation of Octal Number 51 is 41

Output 3:
Enter an Octal number
132

Decimal Representation of Octal Number 132 is 90

Output 4:
Enter an Octal number
16

Decimal Representation of Octal Number 16 is 14

Output 5:
Enter an Octal number
40

Decimal Representation of Octal Number 40 is 32

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