mazo=matrix(c(rep( c(2:10,"J","Q","K","A"),4),rep(c("C","D","H","S"),rep(13,4))), ncol=2,dimnames=list(NULL,c("rank","suit")))
reparto_mazo = function()
{
return( mazo[sample(1:52,5,replace=F),])
}mano = function(hand)
{
ranks_acehigh = c(2:10,"J","Q","K","A")
ranks_acelow = c("A",2:10,"J","Q","K")
rank_i_ah = sort( sapply(hand[,"rank"],function(x) which(x == ranks_acehigh)) )
rank_i_al = sort( sapply(hand[,"rank"],function(x) which(x == ranks_acelow)) )
is_straight = all( rank_i_ah-min(rank_i_ah)+1 == 1:5 ) | all(rank_i_al-min(rank_i_al)+1 == 1:5 )
is_flush = length(unique(hand[,"suit"])) == 1
if (is_straight && is_flush) {
if (all(c("K","A") %in% hand[,"rank"]))
return( "Royal flush" )
else
return( "Straight flush" )
}
if (is_straight)
return( "Straight" )
if (is_flush)
return( "Flush" )
tab = sort( table(hand[,"rank"]) )
if (length(tab)==2) {
if (all(tab == c(1,4)))
return( "Four of a kind" )
if (all(tab == c(2,3)))
return( "Full house")
}
if (length(tab)==3) {
if (all(tab == c(1,1,3)))
return( "Three of a kind")
if (all(tab == c(1,2,2)))
return( "Two pair" )
}
if (length(tab)==4) {
return( "Pair" )
}
return( "No pair" )
}simulate = function(N)
{
manos = c("Royal flush", "Straight flush", "Four of a kind",
"Full house", "Flush", "Straight",
"Three of a kind", "Two pair", "Pair", "No pair")
res = matrix(rep(0,length(manos)),ncol=1)
rownames(res) = manos
colnames(res) = "Counts"
pb = txtProgressBar(min = 0, max = N, style = 3)
for(i in 1:N) {
mano = mano(reparto_mazo())
res[mano,1] = res[mano,1]+1
setTxtProgressBar(pb, i)
}
return(res)
}simulate(9999)
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Royal flush 0
Straight flush 1
Four of a kind 4
Full house 23
Flush 18
Straight 41
Three of a kind 201
Two pair 466
Pair 4233
No pair 5012