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Hacktoberfest 2020 - coding style for project_euler problem 45 & 16 #3087

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merged 8 commits into from
Oct 9, 2020
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Hacktoberfest 2020 - coding style for project_euler problem 45 & 16 #3087

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9da166b
improvements for project euler task 45
fa1l Oct 8, 2020
7d4b398
fixed documentation
fa1l Oct 9, 2020
e66c15d
update pe_16/sol1.py
fa1l Oct 9, 2020
763f500
update pe_16/sol2.py
fa1l Oct 9, 2020
a4d6769
revert solution changes for sol1
fa1l Oct 9, 2020
6a823e5
revert solution changes for sol2
fa1l Oct 9, 2020
e9d9bbc
remove trailing spaces in sol1
fa1l Oct 9, 2020
5468c35
Update sol1.py
dhruvmanila Oct 9, 2020
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improvements for project euler task 45
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@fa1l
fa1l authored Oct 8, 2020
commit 9da166b13c93dccc01f4ec6dd9740c2408ca8401
8 changes: 5 additions & 3 deletions project_euler/problem_45/sol1.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
"""
https://projecteuler.net/problem=45

Triangle, pentagonal, and hexagonal numbers are generated by the following formulae:
Triangle T(n) = (n * (n + 1)) / 2 1, 3, 6, 10, 15, ...
Pentagonal P(n) = (n * (3 * n − 1)) / 2 1, 5, 12, 22, 35, ...
Expand Down Expand Up @@ -39,10 +41,10 @@ def is_pentagonal(n: int) -> bool:
return ((1 + root) / 6) % 1 == 0


def compute_num(start: int = 144) -> int:
def solution(start: int = 144) -> int:
"""
Returns the next number which is traingular, pentagonal and hexagonal.
>>> compute_num(144)
>>> solution(144)
1533776805
"""
n = start
Expand All @@ -54,4 +56,4 @@ def compute_num(start: int = 144) -> int:


if __name__ == "__main__":
print(f"{compute_num(144)} = ")
print(f"{solution(144)} = ")