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Merge pull request #1 from lolax/lola
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Lola Heffernan [Algorithms]
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lolax authored Mar 4, 2019

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2 parents 160f6b3 + f3e1048 commit 238d9a7
Showing 7 changed files with 66 additions and 11 deletions.
11 changes: 11 additions & 0 deletions Pipfile
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@@ -0,0 +1,11 @@
[[source]]
name = "pypi"
url = "https://pypi.org/simple"
verify_ssl = true

[dev-packages]

[packages]

[requires]
python_version = "3.7"
20 changes: 20 additions & 0 deletions Pipfile.lock

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9 changes: 6 additions & 3 deletions climbing_stairs/climbing_stairs.py
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@@ -2,9 +2,12 @@

import sys

def climbing_stairs(n, cache=None):
pass

def climbing_stairs(n, cache={0: 1, 1: 1, 2: 2, 3: 4}):
if n in cache:
return cache[n]
else:
cache[n] = climbing_stairs(n - 1, cache) + climbing_stairs(n - 2, cache) + climbing_stairs(n - 3, cache)
return cache[n]

if __name__ == "__main__":
if len(sys.argv) > 1:
13 changes: 10 additions & 3 deletions climbing_stairs/test_climbing_stairs.py
Original file line number Diff line number Diff line change
@@ -11,9 +11,16 @@ def test_climbing_stairs_small_n(self):
self.assertEqual(climbing_stairs(10), 274)

def test_climbing_stairs_large_n(self):
self.assertEqual(climbing_stairs(50, [0 for i in range(51)]), 10562230626642)
self.assertEqual(climbing_stairs(100, [0 for i in range(101)]), 180396380815100901214157639)
self.assertEqual(climbing_stairs(500, [0 for i in range(501)]), 1306186569702186634983475450062372018715120191391192207156664343051610913971927959744519676992404852130396504615663042713312314219527)
self.assertEqual(climbing_stairs(50), 10562230626642)
self.assertEqual(climbing_stairs(100), 180396380815100901214157639)
self.assertEqual(climbing_stairs(500), 1306186569702186634983475450062372018715120191391192207156664343051610913971927959744519676992404852130396504615663042713312314219527)

# Removed list comprehension from large test cases

# def test_climbing_stairs_large_n(self):
# self.assertEqual(climbing_stairs(50, [0 for i in range(51)]), 10562230626642)
# self.assertEqual(climbing_stairs(100, [0 for i in range(101)]), 180396380815100901214157639)
# self.assertEqual(climbing_stairs(500, [0 for i in range(501)]), 1306186569702186634983475450062372018715120191391192207156664343051610913971927959744519676992404852130396504615663042713312314219527)


if __name__ == '__main__':
10 changes: 9 additions & 1 deletion recipe_batches/recipe_batches.py
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@@ -3,7 +3,15 @@
import math

def recipe_batches(recipe, ingredients):
pass
needed = list(recipe.values())
available = list(ingredients.values())
if len(needed) > len(available):
return 0
batches = []
for i in range(len(needed)):
batches.append(available[i]//needed[i])
sortBatches = sorted(batches)
return sortBatches[0]


if __name__ == '__main__':
5 changes: 3 additions & 2 deletions rock_paper_scissors/rps.py
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@@ -1,10 +1,11 @@
#!/usr/bin/python

import sys
import itertools
import functools

def rock_paper_scissors(n):
pass

return [list(x) for x in itertools.product(["rock", "paper", "scissors"], repeat=n)]

if __name__ == "__main__":
if len(sys.argv) > 1:
9 changes: 7 additions & 2 deletions stock_prices/stock_prices.py
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@@ -3,8 +3,13 @@
import argparse

def find_max_profit(prices):
pass

max = -(prices[0]) + prices[1]
for i in range(1, len(prices)):
for price in prices[i+1:]:
profit = -(prices[i]) + price
if profit > max:
max = profit
return max

if __name__ == '__main__':
# This is just some code to accept inputs from the command line

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