ec7c8516f7
After hearing from a Jane Street recruiter, I decided to dust off some of the DS&As knowledge. I found this article online, which outlines an example problem called "Memo": https://blog.janestreet.com/what-a-jane-street-dev-interview-is-like/ Here's part 1 of the solution in Python.
19 lines
338 B
Python
19 lines
338 B
Python
import time
|
|
import random
|
|
|
|
memo = {}
|
|
|
|
|
|
def f(x):
|
|
if x in memo:
|
|
print("Hit.\t\tf({})".format(x))
|
|
return memo[x]
|
|
else:
|
|
print("Computing...\tf({})".format(x))
|
|
time.sleep(0.25)
|
|
res = random.randint(0, 10)
|
|
memo[x] = res
|
|
return res
|
|
|
|
|
|
[f(random.randint(0, 10)) for _ in range(10)]
|