题解 | 计算日期到天数转换

def isrun(n):
    
    if n%4 == 0 and n%100 != 0:
        return True
    elif n%400 == 0:
        return True
    else:
        return False

def func():
    a, b, c = map(int, input().split())

    two = 28
    if isrun(a):
        two = 29

    year_dic = {31:[1, 3, 5, 7, 8, 10, 12], 30:[4, 6, 9, 11], two:[2]}

    res = c
    for i in range(1, b):
        if i in year_dic[31]:
            res = res + 31
        elif i in year_dic[30]:
            res = res + 30
        elif i == 2:
            res = res + two

    print(res)

if __name__ == "__main__":
    func()