Palindromic gapful numbers: Difference between revisions

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8 : [808696968869696808]
9 : [968787783387787869]</pre>
 
===Translation of F#===
{{trans|Ruby of F#}}
<BR>Recursive version; max memory consumption hits ~22%; comment out necessary outputs to run.
<BR>May produce: "GC Warning: Repeated allocation of very large block (appr. size xxxxxx):" messages in output.
<BR>For Crystal >= 0.34, the operations &+, &*, and &** turnoff default compiler overflow checks.
System: I7-6700HQ, 3.5GHz, 16GB, Linux Kernel 5.9.10, Crystal 0.35.1
Run as: $ crystal run --release fsharp2crystal.cr
Best Time: 29.455717914 secs
<syntaxhighlight lang="ruby">class PalNo
@digit : UInt64
@dd : UInt64
def initialize(digit : Int32)
@digit, @l, @dd = digit.to_u64, 3, 11u64 * digit
end
 
def fN(n : Int32)
return [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] of UInt64 if n == 1
return [0, 11, 22, 33, 44, 55, 66, 77, 88, 99] of UInt64 if n == 2
a = [] of UInt64
([0, 1, 2, 3, 4, 5, 6, 7, 8, 9] of UInt64).product(fN(n - 2)) do |g0, g1|
a << g0.to_u64 &* 10u64 &** (n - 1) &+ g0.to_u64 &+ 10u64 &* g1.to_u64
end
return a
end
 
def show(count, keep)
to_skip, palcnt, pals = count - keep, 0, [] of UInt64
while palcnt < count
fN(@l - 2).each do |g|
pal = @digit * 10u64 &** (@l - 1) + @digit + 10u64 &* g
pals << pal if pal % @dd == 0 && (palcnt += 1) > to_skip
break if palcnt - to_skip == keep
end
@l += 1
end
print pals; puts
end
end
 
start = Time.monotonic
 
(1..9).each { |digit| PalNo.new(digit).show(20, 20) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(100, 15) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(1000, 10) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(100_000, 1) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(1_000_000, 1) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(10_000_000, 1) }; puts "####"
 
puts (Time.monotonic - start).total_seconds
</syntaxhighlight>
{{out}}
<pre>
[121, 1001, 1111, 1221, 1331, 1441, 1551, 1661, 1771, 1881, 1991, 10901, 11011, 12221, 13431, 14641, 15851, 17171, 18381, 19591]
[242, 2002, 2112, 2222, 2332, 2442, 2552, 2662, 2772, 2882, 2992, 20702, 21912, 22022, 23232, 24442, 25652, 26862, 28182, 29392]
[363, 3003, 3333, 3663, 3993, 31713, 33033, 36663, 300003, 303303, 306603, 309903, 312213, 315513, 318813, 321123, 324423, 327723, 330033, 333333]
[484, 4004, 4224, 4444, 4664, 4884, 40304, 42724, 44044, 46464, 48884, 400004, 401104, 402204, 403304, 404404, 405504, 406604, 407704, 408804]
[5005, 5115, 5225, 5335, 5445, 5555, 5665, 5775, 5885, 5995, 50105, 51315, 52525, 53735, 54945, 55055, 56265, 57475, 58685, 59895]
[6006, 6336, 6666, 6996, 61116, 64746, 66066, 69696, 600006, 603306, 606606, 609906, 612216, 615516, 618816, 621126, 624426, 627726, 630036, 633336]
[7007, 7777, 77077, 700007, 707707, 710017, 717717, 720027, 727727, 730037, 737737, 740047, 747747, 750057, 757757, 760067, 767767, 770077, 777777, 780087]
[8008, 8448, 8888, 80608, 86768, 88088, 800008, 802208, 804408, 806608, 808808, 821128, 823328, 825528, 827728, 829928, 840048, 842248, 844448, 846648]
[9009, 9999, 94149, 99099, 900009, 909909, 918819, 927729, 936639, 945549, 954459, 963369, 972279, 981189, 990099, 999999, 9459549, 9508059, 9557559, 9606069]
####
[165561, 166661, 167761, 168861, 169961, 170071, 171171, 172271, 173371, 174471, 175571, 176671, 177771, 178871, 179971]
[265562, 266662, 267762, 268862, 269962, 270072, 271172, 272272, 273372, 274472, 275572, 276672, 277772, 278872, 279972]
[30366303, 30399303, 30422403, 30455403, 30488403, 30511503, 30544503, 30577503, 30600603, 30633603, 30666603, 30699603, 30722703, 30755703, 30788703]
[4473744, 4485844, 4497944, 4607064, 4619164, 4620264, 4632364, 4644464, 4656564, 4668664, 4681864, 4693964, 4803084, 4815184, 4827284]
[565565, 566665, 567765, 568865, 569965, 570075, 571175, 572275, 573375, 574475, 575575, 576675, 577775, 578875, 579975]
[60399306, 60422406, 60455406, 60488406, 60511506, 60544506, 60577506, 60600606, 60633606, 60666606, 60699606, 60722706, 60755706, 60788706, 60811806]
[72299227, 72322327, 72399327, 72422427, 72499427, 72522527, 72599527, 72622627, 72699627, 72722727, 72799727, 72822827, 72899827, 72922927, 72999927]
[80611608, 80622608, 80633608, 80644608, 80655608, 80666608, 80677608, 80688608, 80699608, 80800808, 80811808, 80822808, 80833808, 80844808, 80855808]
[95311359, 95400459, 95499459, 95588559, 95677659, 95766759, 95855859, 95944959, 96033069, 96122169, 96211269, 96300369, 96399369, 96488469, 96577569]
####
[17799771, 17800871, 17811871, 17822871, 17833871, 17844871, 17855871, 17866871, 17877871, 17888871]
[27799772, 27800872, 27811872, 27822872, 27833872, 27844872, 27855872, 27866872, 27877872, 27888872]
[3084004803, 3084334803, 3084664803, 3084994803, 3085225803, 3085555803, 3085885803, 3086116803, 3086446803, 3086776803]
[482282284, 482414284, 482535284, 482656284, 482777284, 482898284, 482909284, 483020384, 483141384, 483262384]
[57800875, 57811875, 57822875, 57833875, 57844875, 57855875, 57866875, 57877875, 57888875, 57899875]
[6084004806, 6084334806, 6084664806, 6084994806, 6085225806, 6085555806, 6085885806, 6086116806, 6086446806, 6086776806]
[7452992547, 7453223547, 7453993547, 7454224547, 7454994547, 7455225547, 7455995547, 7456226547, 7456996547, 7457227547]
[8085995808, 8086006808, 8086116808, 8086226808, 8086336808, 8086446808, 8086556808, 8086666808, 8086776808, 8086886808]
[9675005769, 9675995769, 9676886769, 9677777769, 9678668769, 9679559769, 9680440869, 9681331869, 9682222869, 9683113869]
####
[178788887871]
[278788887872]
[30878611687803]
[4833326233384]
[578789987875]
[60878611687806]
[74826144162847]
[80869688696808]
[96878077087869]
####
[17878799787871]
[27878799787872]
[3087876666787803]
[483333272333384]
[57878799787875]
[6087876996787806]
[7487226666227847]
[8086969559696808]
[9687870990787869]
####
[1787878888787871]
[2787878888787872]
[308787855558787803]
[48333332623333384]
[5787878998787875]
[608787855558787806]
[748867523325768847]
[808696968869696808]
[968787783387787869]
####
</pre>
 
=={{header|Delphi}}==
Line 1,313 ⟶ 1,428:
 
{-------------Library Routines ----------------------------------------------------------------}
procedure GetDigits(N: integer; var IA: TIntegerDynArray);
 
{Get an array of the integers in a number}
{Numbers returned from least to most significant}
var T,I,DC: integer;
begin
DC:=Trunc(Log10(N))+1;
SetLength(IA,DC);
for I:=0 to DC-1 do
begin
T:=N mod 10;
N:=N div 10;
IA[I]:=T;
end;
end;
 
function GetNKPalindrome(N,K: int64): int64;
Line 1,675 ⟶ 1,803:
Elapsed Time: 763.788 ms.
 
</pre>
 
 
 
===Translation of F#===
{{trans|Ruby of F#}}
<BR>Recursive version; max memory consumption hits ~22%; comment out necessary outputs to run.
<BR>May produce: "GC Warning: Repeated allocation of very large block (appr. size xxxxxx):" messages in output.
<BR>For Crystal >= 0.34, the operations &+, &*, and &** turnoff default compiler overflow checks.
System: I7-6700HQ, 3.5GHz, 16GB, Linux Kernel 5.9.10, Crystal 0.35.1
Run as: $ crystal run --release fsharp2crystal.cr
Best Time: 29.455717914 secs
<syntaxhighlight lang="ruby">class PalNo
@digit : UInt64
@dd : UInt64
def initialize(digit : Int32)
@digit, @l, @dd = digit.to_u64, 3, 11u64 * digit
end
 
def fN(n : Int32)
return [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] of UInt64 if n == 1
return [0, 11, 22, 33, 44, 55, 66, 77, 88, 99] of UInt64 if n == 2
a = [] of UInt64
([0, 1, 2, 3, 4, 5, 6, 7, 8, 9] of UInt64).product(fN(n - 2)) do |g0, g1|
a << g0.to_u64 &* 10u64 &** (n - 1) &+ g0.to_u64 &+ 10u64 &* g1.to_u64
end
return a
end
 
def show(count, keep)
to_skip, palcnt, pals = count - keep, 0, [] of UInt64
while palcnt < count
fN(@l - 2).each do |g|
pal = @digit * 10u64 &** (@l - 1) + @digit + 10u64 &* g
pals << pal if pal % @dd == 0 && (palcnt += 1) > to_skip
break if palcnt - to_skip == keep
end
@l += 1
end
print pals; puts
end
end
 
start = Time.monotonic
 
(1..9).each { |digit| PalNo.new(digit).show(20, 20) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(100, 15) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(1000, 10) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(100_000, 1) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(1_000_000, 1) }; puts "####"
(1..9).each { |digit| PalNo.new(digit).show(10_000_000, 1) }; puts "####"
 
puts (Time.monotonic - start).total_seconds
</syntaxhighlight>
{{out}}
<pre>
[121, 1001, 1111, 1221, 1331, 1441, 1551, 1661, 1771, 1881, 1991, 10901, 11011, 12221, 13431, 14641, 15851, 17171, 18381, 19591]
[242, 2002, 2112, 2222, 2332, 2442, 2552, 2662, 2772, 2882, 2992, 20702, 21912, 22022, 23232, 24442, 25652, 26862, 28182, 29392]
[363, 3003, 3333, 3663, 3993, 31713, 33033, 36663, 300003, 303303, 306603, 309903, 312213, 315513, 318813, 321123, 324423, 327723, 330033, 333333]
[484, 4004, 4224, 4444, 4664, 4884, 40304, 42724, 44044, 46464, 48884, 400004, 401104, 402204, 403304, 404404, 405504, 406604, 407704, 408804]
[5005, 5115, 5225, 5335, 5445, 5555, 5665, 5775, 5885, 5995, 50105, 51315, 52525, 53735, 54945, 55055, 56265, 57475, 58685, 59895]
[6006, 6336, 6666, 6996, 61116, 64746, 66066, 69696, 600006, 603306, 606606, 609906, 612216, 615516, 618816, 621126, 624426, 627726, 630036, 633336]
[7007, 7777, 77077, 700007, 707707, 710017, 717717, 720027, 727727, 730037, 737737, 740047, 747747, 750057, 757757, 760067, 767767, 770077, 777777, 780087]
[8008, 8448, 8888, 80608, 86768, 88088, 800008, 802208, 804408, 806608, 808808, 821128, 823328, 825528, 827728, 829928, 840048, 842248, 844448, 846648]
[9009, 9999, 94149, 99099, 900009, 909909, 918819, 927729, 936639, 945549, 954459, 963369, 972279, 981189, 990099, 999999, 9459549, 9508059, 9557559, 9606069]
####
[165561, 166661, 167761, 168861, 169961, 170071, 171171, 172271, 173371, 174471, 175571, 176671, 177771, 178871, 179971]
[265562, 266662, 267762, 268862, 269962, 270072, 271172, 272272, 273372, 274472, 275572, 276672, 277772, 278872, 279972]
[30366303, 30399303, 30422403, 30455403, 30488403, 30511503, 30544503, 30577503, 30600603, 30633603, 30666603, 30699603, 30722703, 30755703, 30788703]
[4473744, 4485844, 4497944, 4607064, 4619164, 4620264, 4632364, 4644464, 4656564, 4668664, 4681864, 4693964, 4803084, 4815184, 4827284]
[565565, 566665, 567765, 568865, 569965, 570075, 571175, 572275, 573375, 574475, 575575, 576675, 577775, 578875, 579975]
[60399306, 60422406, 60455406, 60488406, 60511506, 60544506, 60577506, 60600606, 60633606, 60666606, 60699606, 60722706, 60755706, 60788706, 60811806]
[72299227, 72322327, 72399327, 72422427, 72499427, 72522527, 72599527, 72622627, 72699627, 72722727, 72799727, 72822827, 72899827, 72922927, 72999927]
[80611608, 80622608, 80633608, 80644608, 80655608, 80666608, 80677608, 80688608, 80699608, 80800808, 80811808, 80822808, 80833808, 80844808, 80855808]
[95311359, 95400459, 95499459, 95588559, 95677659, 95766759, 95855859, 95944959, 96033069, 96122169, 96211269, 96300369, 96399369, 96488469, 96577569]
####
[17799771, 17800871, 17811871, 17822871, 17833871, 17844871, 17855871, 17866871, 17877871, 17888871]
[27799772, 27800872, 27811872, 27822872, 27833872, 27844872, 27855872, 27866872, 27877872, 27888872]
[3084004803, 3084334803, 3084664803, 3084994803, 3085225803, 3085555803, 3085885803, 3086116803, 3086446803, 3086776803]
[482282284, 482414284, 482535284, 482656284, 482777284, 482898284, 482909284, 483020384, 483141384, 483262384]
[57800875, 57811875, 57822875, 57833875, 57844875, 57855875, 57866875, 57877875, 57888875, 57899875]
[6084004806, 6084334806, 6084664806, 6084994806, 6085225806, 6085555806, 6085885806, 6086116806, 6086446806, 6086776806]
[7452992547, 7453223547, 7453993547, 7454224547, 7454994547, 7455225547, 7455995547, 7456226547, 7456996547, 7457227547]
[8085995808, 8086006808, 8086116808, 8086226808, 8086336808, 8086446808, 8086556808, 8086666808, 8086776808, 8086886808]
[9675005769, 9675995769, 9676886769, 9677777769, 9678668769, 9679559769, 9680440869, 9681331869, 9682222869, 9683113869]
####
[178788887871]
[278788887872]
[30878611687803]
[4833326233384]
[578789987875]
[60878611687806]
[74826144162847]
[80869688696808]
[96878077087869]
####
[17878799787871]
[27878799787872]
[3087876666787803]
[483333272333384]
[57878799787875]
[6087876996787806]
[7487226666227847]
[8086969559696808]
[9687870990787869]
####
[1787878888787871]
[2787878888787872]
[308787855558787803]
[48333332623333384]
[5787878998787875]
[608787855558787806]
[748867523325768847]
[808696968869696808]
[968787783387787869]
####
</pre>
 
Line 3,444 ⟶ 3,455:
 
=== Ludicrously fast to 10,000,000,000,000,000,000th ===
{{libheader|Phix/online}}
You can run this online [http://phix.x10.mx/p2js/pgn.htm here].
<!--<syntaxhighlight lang="phix">(phixonline)-->
Line 3,582 ⟶ 3,594:
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">else</span>
<span style="color: #0000FF;">{</span><span style="color: #000000;">pals</span><span style="color: #0000FF;">,</span><span style="color: #000000;">palcount</span><span style="color: #0000FF;">,</span><span style="color: #000000;">skipn</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">palindromicgapfuls</span><span style="color: #0000FF;">(</span><span style="color: #000000;">pals</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">lhs</span><span style="color: #0000FF;">&(</span><span style="color: #000000;">d</span><span style="color: #0000FF;">+</span><span style="color: #008000;">'0'</span><span style="color: #0000FF;">),</span> <span style="color: #000000;">palcount</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">to_skip</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">count</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">l</span><span style="color: #0000FF;">-</span><span style="color: #000000;">2</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">r2</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">p</span><span style="color: #0000FF;">+</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">dd</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">skip</span> <span style="color: #0000FF;">+=</span> <span style="color: #000000;">skipn</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
Line 3,634 ⟶ 3,646:
<!--</syntaxhighlight>-->
{{out}}
<pre style="font-size: 11px10px">
First 20 palindromic gapful numbers ending with:
1: 121 1001 1111 1221 1331 1441 1551 1661 1771 1881 1991 10901 11011 12221 13431 14641 15851 17171 18381 19591
Line 5,349 ⟶ 5,361:
{{libheader|Wren-fmt}}
Search limited to the first 100,000 palindromic gapful numbers as, beyond that, the numbers become too large (>= 2 ^ 53) to be accurately represented by Wren's Num type.
<syntaxhighlight lang="ecmascriptwren">import "./fmt" for Conv, Fmt
 
var reverse = Fn.new { |s|
9,479

edits