#include 
#include 
#include 
int binary_converter(char binary[], int length)
{
    int decimal = 0;
    int position = 0;
    int index = length - 1;
    while (index >= 0)
    {
        decimal = decimal + (binary[index] - 48) * pow(2, position);
        index--;
        position++;
    }
    return decimal;
}
int main()
{
    printf("\n\t\t\tBINARY TO DECIMAL CONVERTER VIA TERMINAL\n\n\n");
    char binary[500];
    int decimal = 0;
    int length;

    printf("\t You have to enter a binary number and we will convert into decimal for you. type 'x' to exit\n");
    while (1)
    {
        printf("BINARY : ");
        scanf("%s", binary);
        printf("\n");
        length = strlen(binary);
        for (int i = 0; i < length; i++)
        {
            if (binary[i] == 'x')
            {

                printf("\nThanks for using our Converter.\n\n");
                return 0;
            }
            if (binary[i] < 48 || binary[i] > 49)
            {
                printf("%s is not a BINARY number. \n\n", binary);
                break;
            }
            else
            {
                if (i == length - 1)
                {
                    decimal = binary_converter(binary, length);
                    printf("DECIMAL = %d \n\n", decimal);
                }
                continue;
            }
        }
    }

    return 0;
}