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author | jack <[email protected]> | 2024-06-14 13:13:15 -0600 |
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committer | jack <[email protected]> | 2024-06-14 13:13:15 -0600 |
commit | d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa (patch) | |
tree | 96df922dae2a5073d9a50ea70c7aae6aa37e3ebe /pascals_triangle2.py | |
download | leetcode-d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa.tar.gz leetcode-d343a3b18dbaca9297d4f7b2280c4a16f0a5c8aa.zip |
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Diffstat (limited to 'pascals_triangle2.py')
-rw-r--r-- | pascals_triangle2.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/pascals_triangle2.py b/pascals_triangle2.py new file mode 100644 index 0000000..4fe79f7 --- /dev/null +++ b/pascals_triangle2.py @@ -0,0 +1,22 @@ +# 119. Pascal's Triangle II + +""" +given an integer 'row_index', return the 'row_index'th row of the pascals +triangle. in pascals triangle, each number is the sum of the two numbers +directly above it as shown. +""" + + +class Solution(object): + def getRow(self, row_index): + row = [1] + for _ in range(row_index): + row = [x + y for x, y in zip([0] + row, row + [0])] + return row + + +if __name__ == "__main__": + obj = Solution() + print(obj.getRow(3)) + print(obj.getRow(0)) + print(obj.getRow(1)) |