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## Octal To Decimal In C

Let’s understand the idea involved in the programming of “Octal To Decimal Conversion In C“.

Given an octal number as input, we need to write a program to convert the given octal number into an equivalent decimal number.

The idea is to extract the digits of a given octal number starting from the rightmost digit and keep a variable dec_value. At the time of extracting digits from the octal number, multiply the digit with the proper base (Power of 8) and add it to the variable dec_value. In the end, the variable dec_value will store the required decimal number.

For Example:
If the octal number is 67.
dec_value = 6*(8^1) + 7*(8^0) = 55

Take an octal number as input. Multiply each digit of the octal number starting from the last with the powers of 8 respectively. Add all the multiplied digits. The total sum gives the decimal number.

## Explanation Of Code:

1. Take the octal number as input and store it in the variable octal.
2. Initialize the variables decimal and i to zero.
3. Obtain the remainder and quotient of the octal number. Multiply the remainder by powers of 8 using function pow(8, i++), add this value to the variable decimal and store it in the variable decimal.
4. Override the variable octal with quotient.
5. Repeat the steps 3 and 4 with the quotient obtained until the quotient becomes zero.
6. Print the variable decimal as output.

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## C Tutorial

... ## Introduction to C Programming

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