Solution for problems 1,2
This commit is contained in:
parent
d221250059
commit
fc6cebe8b7
30
src/Python/Problem001.py
Normal file
30
src/Python/Problem001.py
Normal file
@ -0,0 +1,30 @@
|
|||||||
|
#!/usr/bin/python3
|
||||||
|
"""
|
||||||
|
Created on 14 Mar 2017
|
||||||
|
|
||||||
|
@author: David Doblas Jiménez
|
||||||
|
@email: daviddoji@pm.me
|
||||||
|
|
||||||
|
Solution for problem 1 of Project Euler
|
||||||
|
https://projecteuler.net/problem=1
|
||||||
|
"""
|
||||||
|
|
||||||
|
from utils import timeit
|
||||||
|
|
||||||
|
|
||||||
|
@timeit("Problem 1")
|
||||||
|
def compute():
|
||||||
|
"""
|
||||||
|
If we list all the natural numbers below 10 that are multiples of 3 or 5,
|
||||||
|
we get 3, 5, 6 and 9. The sum of these multiples is 23.
|
||||||
|
|
||||||
|
Find the sum of all the multiples of 3 or 5 below 1000.
|
||||||
|
"""
|
||||||
|
|
||||||
|
ans = sum(x for x in range(1000) if (x % 3 == 0 or x % 5 == 0))
|
||||||
|
return ans
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
|
||||||
|
print(f"Result for problem 1: {compute()}")
|
41
src/Python/Problem002.py
Normal file
41
src/Python/Problem002.py
Normal file
@ -0,0 +1,41 @@
|
|||||||
|
#!/usr/bin/env python3
|
||||||
|
"""
|
||||||
|
Created on 14 Mar 2017
|
||||||
|
|
||||||
|
@author: David Doblas Jiménez
|
||||||
|
@email: daviddoji@pm.me
|
||||||
|
|
||||||
|
Solution for problem 2 of Project Euler
|
||||||
|
https://projecteuler.net/problem=2
|
||||||
|
"""
|
||||||
|
|
||||||
|
from utils import timeit
|
||||||
|
|
||||||
|
|
||||||
|
@timeit("Problem 2")
|
||||||
|
def compute():
|
||||||
|
"""
|
||||||
|
Each new term in the Fibonacci sequence is generated by adding the
|
||||||
|
previous two terms. By starting with 1 and 2, the first 10 terms will be:
|
||||||
|
|
||||||
|
1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...
|
||||||
|
|
||||||
|
Find the sum of all the even-valued terms in the sequence which do not
|
||||||
|
exceed four million.
|
||||||
|
"""
|
||||||
|
ans = 0
|
||||||
|
limit = 4_000_000
|
||||||
|
x, y = 1, 1
|
||||||
|
z = x + y # Because every third Fibonacci number is even
|
||||||
|
|
||||||
|
while z <= limit:
|
||||||
|
ans += z
|
||||||
|
x = y + z
|
||||||
|
y = z + x
|
||||||
|
z = x + y
|
||||||
|
return ans
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
|
||||||
|
print(f"Result for problem 2: {compute()}")
|
Loading…
x
Reference in New Issue
Block a user