Rotting Oranges#91
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nodchip
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Jul 23, 2026
| fresh_count = 0 | ||
| for i in range(m): | ||
| for j in range(n): | ||
| if grid[i][j] == 2: |
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1 と 2 がマジックナンバーになっているのが気になりました。 FRESH と ROTTING などの定数に置くと良いと思いました。
| minutes += 1 | ||
| for r, c in current_level: | ||
| for dr, dc in direction: | ||
| next_r, next_c = r + dr, c + dc |
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1 行で複数の変数に代入しても、あまり読みやすくならないと思います。変数の代入は 1 行ずつ行ったほうが良いと思います。
| minutes += 1 | ||
| for r, c in rotten_oranges: | ||
| for dr, dc in [(1, 0), (0, 1), (-1, 0), (0, -1)]: | ||
| if r + dr < 0 or len(grid) <= r + dr or c + dc < 0 or len(grid[0]) <= c + dc: |
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Step 1 のように変数に置いたほうが、見通しが良くなると思いました。
next_r = r + dr
next_c = c + dc| minutes += 1 | ||
| for r, c in rotten_oranges: | ||
| for dr, dc in [(1, 0), (0, 1), (-1, 0), (0, -1)]: | ||
| if r + dr < 0 or len(grid) <= r + dr or c + dc < 0 or len(grid[0]) <= c + dc: |
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Step 1 のように数直線上に一直線になるように書いたほうが、見通しが良くなると思いました。
if not (0 <= r + dr < len(grid) and 0 <= c + dc < len(grid[0])):
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Rotting Oranges
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