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sinbak avatar sinbak commented on July 2, 2024 2
#리스트를 이용한 과제 1번 코드
def solution(n): 
    answer = 0
    n = list(str(n)) 
    for i in n:
        answer += int(i)
    return answer

print(solution(987)) #24
print(solution(123)) #6

from 2021-spring-python-tutoring.

debuffmaster avatar debuffmaster commented on July 2, 2024 1

이건 코듭니다.

def fastmult2(m,n):
    ans = 0
    while n > 0:
      if n % 2==0:
        return fastmult2((m*n)//(n/2),n//2)
      else:
        return m + fastmult2(m, n-1)
    n, ans = n-1, ans
    return ans

이건 실행값과 결과입니다.

print( fastmult2(3,0))
print( fastmult2(3,1))
print( fastmult2(3,2))
print( fastmult2(3,5))

0
3
6.0
15.0

해당 결과에서 0 3 6 15 이렇게 소수점을 없애고 싶습니다 어떤 조건을 추가해야 합니까?

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ShangBinLee avatar ShangBinLee commented on July 2, 2024 1

과제 1번 코드

저는 처음에 이렇게 풀었습니다.

def solution(n):
    answer = 0
    digit = 10
    remainder = 0
    isEnd = False
    
    while isEnd == False:
        remainder = n % digit
        answer += remainder // (digit // 10)
        
        if n // digit == 0:
            isEnd = True
            
        digit *= 10

    return answer

ex)

n = 123

remainder = 123 % 10 (== 3)
answer += remainder(3) // (digit(10) // 10) (== 3(3 // 1))

digit = 10 * 10


remainder = 123 % 100 (== 23)
answer += remainder(23) // (digit(100) // 10) (== 3 + 2(23 // 10))

digit = 100 * 10


remainder = 123 % 1000 (== 123)
answer += remainder(123) // (digit(1000) // 10) (== 3 + 2 + 1(123 // 100))

(n // digit == 0) == True(123 // 1000 == 0)

isEnd = True


return answer

from 2021-spring-python-tutoring.

plzprayme avatar plzprayme commented on July 2, 2024

안녕하세요. 질문 자세하게 잘 적어주셨네요.

혹시 문제를 해결하기 위해서 어떤 것을 시도해보셨는지 알 수 있을까요?

지금은 나눗셈을 하는 과정에서 정수형 변수가 실수형 변수로 변하는 파이썬의 나눗셈 특성 때문에 원하는 결과를 얻지 못한 것 같습니다.

혹시 파이썬 정수로 나누기, 파이썬 소수점 없애기 등 검색을 통해서 해결해볼 수 있을까요?

from 2021-spring-python-tutoring.

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