62 unique paths - #32
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nodchip
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Aug 11, 2026
| class Solution: | ||
| def uniquePaths(self, num_rows: int, num_columns: int) -> int: | ||
| grid = [[0] * num_columns for _ in range(num_rows)] | ||
| frontier = deque([(0, 0)]) |
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row と column の 2 重ループで十分だと思いました。
for row in range(num_rows):
for column in range(num_columns):
...
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この問題：https://leetcode.com/problems/unique-paths/
次の問題：https://leetcode.com/problems/unique-paths-ii/