41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
class Solution:
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def spiralOrder(self, matrix: List[List[int]]) -> List[int]:
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row_begin_loc, row_end_loc = 0, len(matrix) - 1
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col_begin_loc, col_end_loc = 0, len(matrix[0]) - 1
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result = []
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while row_begin_loc <= row_end_loc and col_begin_loc <= col_end_loc:
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# Top Side
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i, j = row_begin_loc, col_begin_loc
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while j <= col_end_loc:
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result.append(matrix[i][j])
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j += 1
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# Right Side
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i += 1
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j -= 1
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while i <= row_end_loc:
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result.append(matrix[i][j])
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i += 1
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# Bottom Side
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i -= 1
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j -= 1
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while j >= col_begin_loc and i > row_begin_loc:
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result.append(matrix[i][j])
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j -= 1
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# Left Side
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i -= 1
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j += 1
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while i > row_begin_loc and j < col_end_loc:
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result.append(matrix[i][j])
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i -= 1
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row_begin_loc += 1
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row_end_loc -= 1
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col_begin_loc += 1
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col_end_loc -= 1
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return result
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