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12-kjs254 #50

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merged 2 commits into from
Jun 27, 2024
Merged

12-kjs254 #50

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32426eb
2024-04-11
kjs254 Apr 11, 2024
b3bdca6
Merge branch 'main' into 12-kjs254
tgyuuAn Jun 27, 2024
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1 change: 1 addition & 0 deletions kjs254/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -11,3 +11,4 @@
| 9μ°¨μ‹œ | 2024.03.10 | κ΅¬ν˜„ | [λ‰΄μŠ€ ν΄λŸ¬μŠ€ν„°λ§](https://school.programmers.co.kr/learn/courses/30/lessons/17677) | [#33](https://github.com/AlgoLeadMe/AlgoLeadMe-7/pull/33) |
| 10μ°¨μ‹œ | 2024.04.02 | ν•΄μ‹œ | [μ „ν™”λ²ˆν˜Έ λͺ©λ‘](https://school.programmers.co.kr/learn/courses/30/lessons/42577) | [#46](https://github.com/AlgoLeadMe/AlgoLeadMe-7/pull/46) |
| 11μ°¨μ‹œ | 2024.04.05 | DFS | [νƒ€κ²Ÿ λ„˜λ²„](https://school.programmers.co.kr/learn/courses/30/lessons/43165) | [#47](https://github.com/AlgoLeadMe/AlgoLeadMe-7/pull/47) |
| 12μ°¨μ‹œ | 2024.04.11 | DFS | [μ•ˆμ „μ§€λŒ€](https://school.programmers.co.kr/learn/courses/30/lessons/120866) | [#50](https://github.com/AlgoLeadMe/AlgoLeadMe-7/pull/50) |
17 changes: 17 additions & 0 deletions kjs254/κ΅¬ν˜„/μ•ˆμ „μ§€λŒ€.py
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@@ -0,0 +1,17 @@
def solution(board):
n = len(board)
for i in range(n):
board[i].insert(0,-1)
board[i].append(-1)
board.insert(0,[-1]*(n+2))
board.append([-1]*(n+2))
Comment on lines +3 to +7
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n = len(board)
board = [[-1, *line, -1] for line in board]  # 각 ν–‰λ§ˆλ‹€ 맨 μ•ž, 맨 뒀에 -1 λΆ™μž„
board = [[-1] * (n + 2), *board, [-1] * (n + 2)]  # 0ν–‰ μ•ž, λ§ˆμ§€λ§‰ ν–‰ 뒀에 [-1, ...] 1차원 리슀트 λΆ™μž„

-1 νŒ¨λ”©μ€ μš”λ ‡κ²Œ 2μ€„λ‘œ ν•  수 μžˆλ‹΅λ‹ˆλ‹€ :)


for i in range(n+2):
for j in range(n+2):

if board[i][j]==1:
for dx in (-1,0,1):
for dy in (-1,0,1):
board[i+dy][j+dx] = board[i+dy][j+dx]*2 -1

return sum(board, []).count(0)