AOJトライに関する知識知見の記録共有 （Volume0-0039）

概要

Roman Figure

コード

補助記号Zを使用

def roman_to_alabia(c):
    dict_r2a = {
        "Z": 0,
        "I": 1,
        "V": 5,
        "X": 10,
        "L": 50,
        "C": 100,
        "D": 500,
        "M": 1000,
    }
    return dict_r2a[c]

def calc_plus_minus(x, y):
    ret = 0
    xi, yi = [roman_to_alabia(r) for r in [x, y]]
    if xi < yi:
        ret = -1 * xi
    else:
        ret = xi
    return ret

def Roman_Figure(r_str):
    r_str = r_str + "Z"
    ret = 0
    for i in range(len(r_str)-1):
        ret = ret + calc_plus_minus(r_str[i], r_str[i+1])
    return ret

def hoge(*args):
    ret = []
    for arg in args:
        print(arg)
        ret.append(Roman_Figure(arg))
    return ret

print(hoge(
"IV",
"CCCCLXXXXVIIII",
"CDXCIX",
))

実行結果

デバッグログ出力部含む

IV
CCCCLXXXXVIIII
CDXCIX
[4, 499, 499]