pascals_triangle

  • 2022-12-14
  • 浏览 (478)

pascals_triangle.py 源码

from typing import List


# 杨辉三角

class Solution:
    def generate(self, numRows: int) -> List[List[int]]:
        res = []
        for i in range(numRows):
            res.append([1] * (i + 1))
            for j in range(1, i):
                res[i][j] = res[i - 1][j - 1] + res[i - 1][j]
        return res

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