Author | curiouscat |
Submission date | 2012-12-29 08:38:23.849645 |
Rating | 5449 |
Matches played | 753 |
Win rate | 58.17 |
Use rpsrunner.py to play unranked matches on your computer.
import random
SWITCH=25
DECAY=0.5
#Strategies
response0 = {'R': 'R', 'P': 'P','S' : 'S'}
response1 = {'R': 'P', 'P': 'S','S' : 'R'}
response2 = {'R': 'S', 'P': 'R','S' : 'P'}
############################
def highest(v):
return random.choice([i for i in range(len(v)) if max(v) == v[i]])
##############################
def most_common(l):
max = 0
maxitem = None
for x in set(l):
count = l.count(x)
if count > max:
max = count
maxitem = x
return maxitem
#################################
if input == "": # initialize variables for the first round
output=random.choice(['R','P','S'])
round=0
out=['','','','','','']
strategy=[1,1,1,1,1,1]
result={'RR':0,'PP':0,'SS':0,'RP':-1,'RS':1,'PR':+1,'PS':-1,'SR':-1,'SP':+1}
else:
if round >1 :
for i in range(0,3):
string=out[i]+input #My, His
strategy[i]+=result[string]
if round<SWITCH:
max_index=random.choice([0,1,2,3,4,5])
else:
max_index=highest(strategy)
##out contains responses based on various strategies
out[0]=response0[input]
out[1]=response1[input]
out[2]=response2[input]
out[3]=response0[output]
out[4]=response1[output]
out[5]=response2[output]
output=out[max_index]
round+=1
if round > SWITCH:
for i in range(0,3):
strategy[i] *= DECAY