TIL 문제풀이

18-05-31

# my answer
commit = "0??+0+!!someCommIdhsSt"

def getCommit(commit):
    return ''.join([x for x in list(commit) if x.isalpha()])

# best answer
def getCommit(commit):
    return commit.lstrip('0?+!')

18-06-05

lambda

repeatChar = lambda ch, n: ch * n

def getPoints(answers, p):
    questionPoints = lambda i, ans: i+1 if ans else -p

    res = 0
    for i, ans in enumerate(answers):
        res += questionPoints(i, ans)
    return res

def sortStudents(students):
    students.sort(key= lambda s: s.split()[-1] )
    return students

def isTestSolvable(ids, k):
    digitSum = lambda x: sum(map(int, str(x)))

    sm = 0
    for questionId in ids:
        sm += digitSum(questionId)
    return sm % k == 0

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