September 2017 Update

Task/Hailstone-sequence/BASIC/hailstone-sequence-8.basic

@@ -0,0 +1,40 @@
+print "Part 1: Create a routine to generate the hailstone sequence for a number."
+print ""
+
+while hailstone < 1 or hailstone <> int(hailstone)
+    input "Please enter a positive integer: "; hailstone
+wend
+count = doHailstone(hailstone,"Y")
+
+print: print "Part 2: Use the routine to show that the hailstone sequence for the number 27 has 112 elements starting with 27, 82, 41, 124 and ending with 8, 4, 2, 1."
+count = doHailstone(27,"Y")
+
+print: print "Part 3: Show the number less than 100,000 which has the longest hailstone sequence together with that sequence's length.(But don't show the actual sequence)!"
+print "Calculating result... Please wait... This could take a little while..."
+print "Stone Percent Count"
+for i = 1 to 99999
+   count = doHailstone(i,"N")
+	if count > maxCount then
+	   theBigStone = i
+	   maxCount	= count
+     print using("#####",i);" ";using("###.#", i / 99999 * 100);"% ";using("####",count)
+     end if
+next i
+end
+
+'---------------------------------------------
+' pass number and print (Y/N)
+FUNCTION doHailstone(hailstone,prnt$)
+if prnt$ = "Y" then
+ print
+ print "The following is the 'Hailstone Sequence' for number:";hailstone
+end if
+while hailstone <> 1
+   if (hailstone and 1) then hailstone = (hailstone * 3) + 1 else hailstone = hailstone / 2
+   doHailstone = doHailstone + 1
+   if prnt$ = "Y" then
+    print hailstone;chr$(9);
+    if (doHailstone mod 10) = 0 then print
+   end if
+wend
+END FUNCTION