# C Program to Convert Binary Number to Decimal

C Program to Convert Binary Number to Decimal

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## Code Explanation :

This program takes as input a binary number, and converts it to a decimal number.

• Take a binary number and store it in the variable num.
• Initialize the variable decimal_val to zero and variable base to 1.
• Obtain the remainder and quotient of the binary number. Store the remainder in the variable rem and override the variable num with quotient.
• Multiply rem with variable base. Increment the variable decimal_val with this new value.
• Increment the variable base by 2.
• Repeat the steps 3, 4 and 5 with the quotient obtained until quotient becomes zero.
• Print the variable decimal_val as output.

## Algorithm

```Step 1 : Start

Step 2 : Declare variables num, binary_val, decimal_val, base and rem

Step 3 : Initialize decimal_val = 0 and base  = 1

Step 4 : Take input and stored on num

Step 5 : Set binary_val = num

Step 6 : Repeat this process until num > 0
6.1 : rem = num % 10
6.2 : decimal_val = decimal_val + rem * base
6.3 : num = num / 10
6.4 : base = base * 2

Step 7 : Print decimal_val

Step 8 : End```

## Flowchart Our example mainly covers following topics in any programing

• Basic Programs
• Number Programs
• Array Programs
• Matrix Programs
• Pattern Programs
• String Programs
• Tree Programs

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