Editing 1300 - Hex (section)

==Rezolvare==
===Rezolvare ver. 1===
<syntaxhighlight lang="python" line="1" start="1">

def validate_binary_number(binary_number):
    for digit in binary_number:
        if digit not in ['0', '1']:
            return False
    return True

def binary_to_decimal(binary_number):
    decimal_number = 0
    for digit in binary_number:
        decimal_number = decimal_number * 2 + int(digit)
    return decimal_number

def decimal_to_hex(decimal_number):
    hex_digits = "0123456789ABCDEF"
    hex_number = ""
    while decimal_number > 0:
        remainder = decimal_number % 16
        hex_number = hex_digits[remainder] + hex_number
        decimal_number //= 16
    return hex_number

if __name__ == '__main__':
    with open('hex.in', 'r') as fin:
        binary_number = fin.readline().strip()

    if not validate_binary_number(binary_number):
        print('Datele de intrare nu corespund restricțiilor impuse.')
    else:
        print("Datele de intrare corespund restricțiilor impuse.")
        decimal_number = binary_to_decimal(binary_number)
        hex_number = decimal_to_hex(decimal_number)
        with open('hex.out', 'w') as fout:
            fout.write(hex_number)


</syntaxhighlight>