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26 changes: 26 additions & 0 deletions leetcode3/변지협/v2/1539. Kth Missing Positive Number.py
Original file line number Diff line number Diff line change
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'''
1. 아이디어 :
arr 뒤집고 pop()할 때는 ans에 안넣음.

2. 시간복잡도 :

3. 자료구조/알고리즘 :
'''
class Solution:
def findKthPositive(self, arr: List[int], k: int) -> int:
i = 1
lmt = 0
arr = arr[::-1]
while True:
if len(arr) == 0:
lmt += 1
elif arr[-1] == i:
arr.pop()
else:
lmt += 1

if lmt == k:
break
i += 1

return i