Author | alcinos |
Submission date | 2014-10-11 09:47:44.192629 |
Rating | 5380 |
Matches played | 534 |
Win rate | 53.0 |
Use rpsrunner.py to play unranked matches on your computer.
import random
alpha = 0.1
def weighted_choice(choices):
total = sum(w for c, w in choices)
r = random.uniform(0, total)
upto = 0
for c, w in choices:
if upto + w > r:
return c
upto += w
assert False, "Shouldn't get here"
if input == "":
seq_in = []
seq_out = []
scores = [0,0,0]
output = random.choice(["R", "P", "S"])
else:
seq_in.append(input)
rew = [0,0,0]
if input == "R":
rew[0] = 0.5
rew[1] = 1
rew[2] = 0
if input == "P":
rew[0] = 0
rew[1] = 0.5
rew[2] = 1
if input == "S":
rew[0] = 1
rew[1] = 0
rew[2] = 0.5
for i in range(0,3):
scores[i]+=rew[i]
s = 0
for i in range(0,3):
s+=(1+alpha) ** scores[i]
choices = [("R",0),("R",0),("R",0)]
alt = ["R", "P", "S"]
for i in range(0,3):
choices[i] = (alt[i], ((1+alpha) ** scores[i]) / s)
output = weighted_choice(choices)
seq_out.append(output)