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목록36. Valid Sudoku (1)
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36. Valid Sudoku
class Solution: def isValidSudoku(self, board: List[List[str]]) -> bool: for i in range(9): for j in range(9): if board[i][j] != '.': # 가로 for k in range(9): if k == j: continue if board[i][j] == board[i][k]: return False # 세로 for k in range(9): if k == i: continue if board[i][j] == board[k][j]: return False # 사각형 start_y = i // 3 * 3 start_x = j // 3 * 3 for y in range(start_y, start_y+3): for ..
Computer Science/Coding Test
2021. 9. 6. 16:37