Data update
This commit is contained in:
parent
5150844a7d
commit
4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
|
|
@ -1,46 +0,0 @@
|
|||
function hailstone(atom n)
|
||||
sequence s
|
||||
s = {n}
|
||||
while n != 1 do
|
||||
if remainder(n,2)=0 then
|
||||
n /= 2
|
||||
else
|
||||
n = 3*n + 1
|
||||
end if
|
||||
s &= n
|
||||
end while
|
||||
return s
|
||||
end function
|
||||
|
||||
function hailstone_count(atom n)
|
||||
integer count
|
||||
count = 1
|
||||
while n != 1 do
|
||||
if remainder(n,2)=0 then
|
||||
n /= 2
|
||||
else
|
||||
n = 3*n + 1
|
||||
end if
|
||||
count += 1
|
||||
end while
|
||||
return count
|
||||
end function
|
||||
|
||||
sequence s
|
||||
s = hailstone(27)
|
||||
puts(1,"hailstone(27) =\n")
|
||||
? s
|
||||
printf(1,"len = %d\n\n",length(s))
|
||||
|
||||
integer max,imax,count
|
||||
max = 0
|
||||
for i = 2 to 1e5-1 do
|
||||
count = hailstone_count(i)
|
||||
if count > max then
|
||||
max = count
|
||||
imax = i
|
||||
end if
|
||||
end for
|
||||
|
||||
printf(1,"The longest hailstone sequence under 100,000 is %d with %d elements.\n",
|
||||
{imax,max})
|
||||
Loading…
Add table
Add a link
Reference in a new issue