打麻将 - 基于R语言

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新年第一更

 

for (k in 1:1000){

 #万字,筒子,条子
  pai=c(1:9,11:19,21:29)
  mj=c(pai,pai,pai,pai)
  
  jiepai=sample(mj,13*4,replace=FALSE)
  
  a=sort(jiepai[1:13])
  b=sort(jiepai[14:(13*2)])
  c=sort(jiepai[27:(13*3)])
  d=sort(jiepai[40:(13*4)])
  
  leftpai=function(mj,x){
    for (i in 1:length(x))
    {
    mj=mj[-match(x[i],mj)]
    }
    return(mj)
  }  
  mjleft=leftpai(mj,jiepai)
  
  #打掉跟其他字差异最大的字
  droppai=function(x){
    sumdif=c()
    for (i in 1:length(x)){
      sumdif[i]=sum((x[i]-x[-i])**2)+i/100
    }
    tablepai=data.frame(x,sumdif)
    tablepai[sumdif==max(sumdif),]=NA
    x=as.numeric(na.omit(tablepai$x))
    return(x)
  }
  
  #一个对子,四个句子或者刻子即胡牌
  hupai=function(x){
    tmp=c()
    hupai=0
    
    for (i in seq(1,13,3)){
      if (((i!=13) & (x[i]==x[i+1]) & (x[i+1] !=x[i+2])) || ((i==13) & (x[i]==x[i+1]))) {
        tmp=x[c(-i,-(i+1))]
        hupai=hupai++1
        if (hupai>0) {break}
      }
    }
    
    if (hupai==1) {
      for (i in seq(2,11,3)){
        if (
             ((tmp[i]-tmp[i-1]==1) & (tmp[i+1]-tmp[i]==1)) ||
             ((tmp[i]-tmp[i-1]==0) & (tmp[i+1]-tmp[i]==0))
           )
           {hupai=hupai++1}
      }
    }
    
    return(hupai)  
  }
    
  #开始打牌
  for (i in 0:ceiling(length(mjleft)/4-1)){
    a=sort(c(a,mjleft[1+4*i]))
    b=sort(c(b,mjleft[2+4*i]))
    c=sort(c(c,mjleft[3+4*i]))
    d=sort(c(d,mjleft[4+4*i]))
    sumA=sum(a)
    sumB=sum(b)
    sumC=sum(c)
    sumD=sum(d)
         if ((hupai(a)==5) & (sumA%%3==2)) {print("player a win");print(sort(a));print(i);break}
    else if ((hupai(b)==5) & (sumB%%3==2)) {print("player b win");print(sort(b));print(i);break}
    else if ((hupai(c)==5) & (sumC%%3==2)) {print("player c win");print(sort(c));print(i);break}
    else if ((hupai(d)==5) & (sumD%%3==2)) {print("player d win");print(sort(d));print(i);break}
    
    a=droppai(a)
    b=droppai(b)
    c=droppai(c)
    d=droppai(d)
    
    if (i==ceiling(length(mjleft)/4-1)) {print("No one wins")}
  }

}

 

不能吃,不能碰,只能自摸,打了1000盘只有不到20盘胡牌。。。看来打牌还是需要多吃多碰(另外代码肯定需要改进……)

 

[1] "No one wins"
[1] "No one wins"
[1] "player b win"
 [1] 12 12 12 16 17 18 19 19 21 22 23 26 27 28
[1] 5


[1] "No one wins"
[1] "player a win"
 [1] 13 13 16 17 18 21 22 23 24 25 26 27 27 27
[1] 7
[1] "No one wins"
[1] "No one wins"


[1] "No one wins"
[1] "No one wins"
[1] "player b win"
 [1] 16 17 18 21 22 23 24 24 24 25 25 26 27 28
[1] 11
[1] "No one wins"
[1] "No one wins"


[1] "No one wins"
[1] "player a win"
 [1] 15 15 15 16 17 18 19 19 22 22 22 23 24 25
[1] 12
[1] "No one wins"


...

 

祝大家新年行大运

 

by yant07

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