# RPS_Rnd_FSm

 Author TeleZ Submission date 2017-09-01 06:16:18.882270 Rating 7729 Matches played 340 Win rate 77.06

Use rpsrunner.py to play unranked matches on your computer.

## Source code:

``````import random

kon={'RR':'1','RP':'2','RS':'3','PR':'4','PP':'5','PS':'6','SR':'7','SP':'8','SS':'9'}
d0s={'1':0,'2':0,'3':0,'4':1,'5':1,'6':1,'7':2,'8':2,'9':2}
d1s={'1':0,'2':1,'3':2,'4':0,'5':1,'6':2,'7':0,'8':1,'9':2}
k2i={'R':0,'P':1,'S':2}
i2k={0:'R',1:'P',2:'S'}

def mdl(N):
N%=3
if N<0:
N+=3
return N

if not input:
DNA=""
tRNA=""
mRNA=""
flag=[False]*5
hist=[[0]*3]*2
eval=[0]*3
subs=[0]*24
skor=[0]*24
output=random.choice("RPS")
else:
d=random.betavariate(4.6,1.4)
for i in range(24):
if ((i<3 and flag[0]) or (i>=3 and i<6 and flag[1]) or
(i>=6 and i<12 and flag[2]) or (i>=12 and i<18 and flag[3]) or (i>=18 and flag[4])):
skor[i]*=d
j=mdl(subs[i]-k2i[input])
if j==2:
skor[i]-=1
else:
skor[i]+=j
DNA+=kon[input+output]
tRNA+=input
mRNA+=output
for i in range(2):
for j in range(3):
hist[i][j]=0
i=min(11,len(DNA))
j=-1
while i>1 and j<0:
i-=1
RNA=DNA[-i:]
j=DNA.find(RNA,0,-1)
flag[2]=(j>=0)
while j>=0:
k=i+j
hist[0][d0s[DNA[k]]]+=1
hist[1][d1s[DNA[k]]]+=1
j=DNA.find(RNA,j+1,-1)
if flag[2]:
j=d0s[DNA[k]]+1
k=d1s[DNA[k]]-1
for i in range(3):
subs[i+6]=mdl(j-i)
subs[i+9]=mdl(k-i)
for i in range(2):
flag[i]=(hist[i][0]<>hist[i][1] or hist[i][1]<>hist[i][2])
if flag[i]:
for j in range(3):
eval[j]=hist[i][mdl(j-1)]-hist[i][mdl(j+1)]
k=eval.index(max(eval))
for j in range(3):
subs[3*i+j]=mdl(k-j+i)
i=min(11,len(DNA))
j=-1
while i>1 and j<0:
i-=1
RNA=tRNA[-i:]
j=tRNA.rfind(RNA,0,-1)
flag[3]=(j>=0)
if flag[3]:
k=k2i[mRNA[i+j]]-1
j=k2i[tRNA[i+j]]+1
for i in range(3):
subs[i+12]=mdl(j-i)
subs[i+15]=mdl(k-i)
i=min(11,len(DNA))
j=-1
while i>1 and j<0:
i-=1
RNA=mRNA[-i:]
j=mRNA.rfind(RNA,0,-1)
flag[4]=(j>=0)
if flag[4]:
k=k2i[mRNA[i+j]]-1
j=k2i[tRNA[i+j]]+1
for i in range(3):
subs[i+18]=mdl(j-i)
subs[i+21]=mdl(k-i)
i=skor.index(max(skor))
if ((i<3 and flag[0]) or (i>=3 and i<6 and flag[1]) or
(i>=6 and i<12 and flag[2]) or (i>=12 and i<18 and flag[3]) or (i>=18 and flag[4])):
output=i2k[subs[i]]
else:
output=random.choice("RPS")``````