Ad
Muriel-Gasparinivs.ion4ik

Compare roman numbers

Code
Diff
  • nums = {'I': 1, 'V': 5, 'X': 10, 'L': 50, 'C': 100, 'D': 500, 'M': 1000}

def calc(rom):
    total = 0
    for i, s in enumerate(rom):
        c = nums[s]
        if i != len(rom) - 1 and nums[rom[i + 1]] > c:
            total -= c
        else:
            total += c
    return total

def compare_roman(a, b):
    a = calc(a)
    b = calc(b)
    return a > b or -(a < b)
    • nums = {'I': 1, 'V': 5, 'X': 10, 'L': 50, 'C': 100, 'D': 500, 'M': 1000}
    • calc = lambda rom: sum((c := nums[s]) * (1, -1)[i != len(rom) - 1 and nums[rom[i + 1]] > c] for i, s in enumerate(rom))
    • compare_roman = lambda a, b : (a := calc(a)) > (b := calc(b)) or -(a < b)
    • def calc(rom):
    • total = 0
    • for i, s in enumerate(rom):
    • c = nums[s]
    • if i != len(rom) - 1 and nums[rom[i + 1]] > c:
    • total -= c
    • else:
    • total += c
    • return total
    • def compare_roman(a, b):
    • a = calc(a)
    • b = calc(b)
    • return a > b or -(a < b)