all tasks

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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
14735 changed files with 178959 additions and 0 deletions

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{{Sorting Algorithm}}
{{Wikipedia|Gnome sort}}
Gnome sort is a sorting algorithm which is similar to [[Insertion sort]], except that moving an element to its proper place is accomplished by a series of swaps, as in [[Bubble Sort]].
The pseudocode for the algorithm is:
'''function''' ''gnomeSort''(a[0..size-1])
i := 1
j := 2
'''while''' i < size '''do'''
'''if''' a[i-1] <= a[i] '''then'''
''// for descending sort, use >= for comparison''
i := j
j := j + 1
'''else'''
'''swap''' a[i-1] '''and''' a[i]
i := i - 1
'''if''' i = 0 '''then'''
i := j
j := j + 1
'''endif'''
'''endif'''
'''done'''
'''Task''': implement the Gnome sort in your language to sort an array (or list) of numbers.

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---
note: Sorting Algorithms

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MODE SORTSTRUCT = CHAR;
PROC inplace gnome sort = (REF[]SORTSTRUCT list)REF[]SORTSTRUCT:
BEGIN
INT i:=LWB list + 1, j:=LWB list + 2;
WHILE i <= UPB list DO
IF list[i-1] <= list[i] THEN
i := j; j+:=1
ELSE
SORTSTRUCT swap = list[i-1]; list[i-1]:= list[i]; list[i]:= swap;
i-:=1;
IF i=LWB list THEN i:=j; j+:=1 FI
FI
OD;
list
END;
PROC gnome sort = ([]SORTSTRUCT seq)[]SORTSTRUCT:
in place gnome sort(LOC[LWB seq: UPB seq]SORTSTRUCT:=seq);
[]SORTSTRUCT char array data = "big fjords vex quick waltz nymph";
print((gnome sort(char array data), new line))

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#!/usr/bin/awk -f
BEGIN {
d[1] = 3.0
d[2] = 4.0
d[3] = 1.0
d[4] = -8.4
d[5] = 7.2
d[6] = 4.0
d[7] = 1.0
d[8] = 1.2
showD("Before: ")
gnomeSortD()
showD("Sorted: ")
exit
}
function gnomeSortD( i) {
for (i = 2; i <= length(d); i++) {
if (d[i] < d[i-1]) gnomeSortBackD(i)
}
}
function gnomeSortBackD(i, t) {
for (; i > 1 && d[i] < d[i-1]; i--) {
t = d[i]
d[i] = d[i-1]
d[i-1] = t
}
}
function showD(p, i) {
printf p
for (i = 1; i <= length(d); i++) {
printf d[i] " "
}
print ""
}

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function gnomeSort(array:Array)
{
var pos:uint = 0;
while(pos < array.length)
{
if(pos == 0 || array[pos] >= array[pos-1])
pos++;
else
{
var tmp = array[pos];
array[pos] = array[pos-1];
array[pos-1] = tmp;
pos--;
}
}
return array;
}

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generic
type Element_Type is private;
type Index is (<>);
type Collection is array(Index) of Element_Type;
with function "<=" (Left, Right : Element_Type) return Boolean is <>;
procedure Gnome_Sort(Item : in out Collection);

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procedure Gnome_Sort(Item : in out Collection) is
procedure Swap(Left, Right : in out Element_Type) is
Temp : Element_Type := Left;
begin
Left := Right;
Right := Temp;
end Swap;
I : Integer := Index'Pos(Index'Succ(Index'First));
J : Integer := I + 1;
begin
while I <= Index'Pos(Index'Last) loop
if Item(Index'Val(I - 1)) <= Item(Index'Val(I)) then
I := J;
J := J + 1;
else
Swap(Item(Index'Val(I - 1)), Item(Index'Val(I)));
I := I - 1;
if I = Index'Pos(Index'First) then
I := J;
J := J + 1;
end if;
end if;
end loop;
end Gnome_Sort;

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with Gnome_Sort;
with Ada.Text_Io; use Ada.Text_Io;
procedure Gnome_Sort_Test is
type Index is range 0..9;
type Buf is array(Index) of Integer;
procedure Sort is new Gnome_Sort(Integer, Index, Buf);
A : Buf := (900, 700, 800, 600, 400, 500, 200, 100, 300, 0);
begin
for I in A'range loop
Put(Integer'Image(A(I)));
end loop;
New_Line;
Sort(A);
for I in A'range loop
Put(Integer'Image(A(I)));
end loop;
New_Line;
end Gnome_Sort_Test;

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MsgBox % GnomeSort("")
MsgBox % GnomeSort("xxx")
MsgBox % GnomeSort("3,2,1")
MsgBox % GnomeSort("dog,000000,xx,cat,pile,abcde,1,cat,zz,xx,z")
GnomeSort(var) { ; SORT COMMA SEPARATED LIST
StringSplit a, var, `, ; make array, size = a0
i := 2, j := 3
While i <= a0 { ; stop when sorted
u := i-1
If (a%u% < a%i%) ; search for pairs to swap
i := j, j := j+1
Else { ; swap
t := a%u%, a%u% := a%i%, a%i% := t
If (--i = 1) ; restart search
i := j, j++
}
}
Loop % a0 ; construct string from sorted array
sorted .= "," . a%A_Index%
Return SubStr(sorted,2) ; drop leading comma
}

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dim a(0 to n-1) as integer
'...more code...
sort:
i = 1
j = 2
while(i < ubound(a) - lbound(a))
if a(i-1) <= a(i) then
i = j
j = j + 1
else
swap a(i-1), a(i)
i = i - 1
if i = 0 then
i = j
j = j + 1
end if
end if
wend

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DEF PROC_GnomeSort1(Size%)
I%=2
J%=2
REPEAT
IF data%(J%-1) <=data%(J%) THEN
I%+=1
J%=I%
ELSE
SWAP data%(J%-1),data%(J%)
J%-=1
IF J%=1 THEN
I%+=1
J%=I%
ENDIF
ENDIF
UNTIL I%>Size%
ENDPROC

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#include <algorithm>
#include <iterator>
template<typename RandomAccessIterator>
void gnomeSort(RandomAccessIterator begin, RandomAccessIterator end) {
RandomAccessIterator i = begin + 1;
RandomAccessIterator j = begin + 2;
while(i < end) {
if(*(i - 1) <= *i) {
i = j;
++j;
} else {
std::iter_swap(i - 1, i);
--i;
if(i == begin) {
i = j;
++j;
}
}
}
}

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void gnome_sort(int *a, int n)
{
int i=1, j=2, t;
# define swap(i, j) { t = a[i]; a[i] = a[j]; a[j] = t; }
while(i < n) {
if (a[i - 1] > a[i]) {
swap(i - 1, i);
if (--i) continue;
}
i = j++;
}
# undef swap
}

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C-SORT SECTION.
C-000.
DISPLAY "SORT STARTING".
SET WB-IX-1 TO 2.
MOVE 1 TO WC-NEXT-POSN.
PERFORM E-GNOME UNTIL WC-NEXT-POSN > WC-SIZE.
DISPLAY "SORT FINISHED".
C-999.
EXIT.
E-GNOME SECTION.
E-000.
IF WB-ENTRY(WB-IX-1 - 1) NOT > WB-ENTRY(WB-IX-1)
ADD 1 TO WC-NEXT-POSN
SET WB-IX-1 TO WC-NEXT-POSN
ELSE
MOVE WB-ENTRY(WB-IX-1 - 1) TO WC-TEMP
MOVE WB-ENTRY(WB-IX-1) TO WB-ENTRY(WB-IX-1 - 1)
MOVE WC-TEMP TO WB-ENTRY(WB-IX-1)
SET WB-IX-1 DOWN BY 1
IF WB-IX-1 = 1
ADD 1 TO WC-NEXT-POSN
SET WB-IX-1 TO WC-NEXT-POSN.
E-999.
EXIT.

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(defn gnomesort
([c] (gnomesort c <))
([c pred]
(loop [x [] [y1 & ys :as y] (seq c)]
(cond (empty? y) x
(empty? x) (recur (list y1) ys)
true (let [zx (last x)]
(if (pred y1 zx)
(recur (butlast x) (concat (list y1 zx) ys))
(recur (concat x (list y1)) ys)))))))
(println (gnomesort [3 1 4 1 5 9 2 6 5]))

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(defun gnome-sort (array predicate &aux (length (length array)))
(do ((position (min 1 length)))
((eql length position) array)
(cond
((eql 0 position)
(incf position))
((funcall predicate
(aref array position)
(aref array (1- position)))
(rotatef (aref array position)
(aref array (1- position)))
(decf position))
(t (incf position)))))

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import std.stdio, std.algorithm;
void gnomeSort(T)(T arr) {
int i = 1, j = 2;
while (i < arr.length) {
if (arr[i-1] <= arr[i]) {
i = j;
j++;
} else {
swap(arr[i-1], arr[i]);
i--;
if (i == 0) {
i = j;
j++;
}
}
}
}
void main() {
auto a = [3,4,2,5,1,6];
gnomeSort(a);
writeln(a);
}

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procedure GnomeSort(a : array of Integer);
var
i, j : Integer;
begin
i := 1;
j := 2;
while i < a.Length do begin
if a[i-1] <= a[i] then begin
i := j;
j := j + 1;
end else begin
a.Swap(i-1, i);
i := i - 1;
if i = 0 then begin
i := j;
j := j + 1;
end;
end;
end;
end;
var i : Integer;
var a := new Integer[16];
Print('{');
for i := 0 to a.High do begin
a[i] := i xor 5;
Print(Format('%3d ', [a[i]]));
end;
PrintLn('}');
GnomeSort(a);
Print('{');
for i := 0 to a.High do
Print(Format('%3d ', [a[i]]));
PrintLn('}');

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program TestGnomeSort;
{$APPTYPE CONSOLE}
{.$DEFINE DYNARRAY} // remove '.' to compile with dynamic array
type
TItem = Integer; // declare ordinal type for array item
{$IFDEF DYNARRAY}
TArray = array of TItem; // dynamic array
{$ELSE}
TArray = array[0..15] of TItem; // static array
{$ENDIF}
procedure GnomeSort(var A: TArray);
var
Item: TItem;
I, J: Integer;
begin
I:= Low(A) + 1;
J:= Low(A) + 2;
while I <= High(A) do begin
if A[I - 1] <= A[I] then begin
I:= J;
J:= J + 1;
end
else begin
Item:= A[I - 1];
A[I - 1]:= A[I];
A[I]:= Item;
I:= I - 1;
if I = Low(A) then begin
I:= J;
J:= J + 1;
end;
end;
end;
end;
var
A: TArray;
I: Integer;
begin
{$IFDEF DYNARRAY}
SetLength(A, 16);
{$ENDIF}
for I:= Low(A) to High(A) do
A[I]:= Random(100);
for I:= Low(A) to High(A) do
Write(A[I]:3);
Writeln;
GnomeSort(A);
for I:= Low(A) to High(A) do
Write(A[I]:3);
Writeln;
Readln;
end.

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def gnomeSort(array) {
var size := array.size()
var i := 1
var j := 2
while (i < size) {
if (array[i-1] <= array[i]) {
i := j
j += 1
} else {
def t := array[i-1]
array[i-1] := array[i]
array[i] := t
i -= 1
if (i <=> 0) {
i := j
j += 1
}
}
}
}

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? def a := [7,9,4,2,1,3,6,5,0,8].diverge()
# value: [7, 9, 4, 2, 1, 3, 6, 5, 0, 8].diverge()
? gnomeSort(a)
? a
# value: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9].diverge()

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-module(gnome_sort).
-export([gnome/1]).
gnome(L, []) -> L;
gnome([Prev|P], [Next|N]) when Next > Prev ->
gnome(P, [Next|[Prev|N]]);
gnome(P, [Next|N]) ->
gnome([Next|P], N).
gnome([H|T]) -> gnome([H], T).

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Eshell V5.7.3 (abort with ^G)
1> c(gnome_sort).
{ok,gnome_sort}
2> gnome_sort:gnome([8,3,9,1,3,2,6]).
[1,2,3,3,6,8,9]
3>

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function gnomeSort(sequence s)
integer i,j
object temp
i = 1
j = 2
while i < length(s) do
if compare(s[i], s[i+1]) <= 0 then
i = j
j += 1
else
temp = s[i]
s[i] = s[i+1]
s[i+1] = temp
i -= 1
if i = 0 then
i = j
j += 1
end if
end if
end while
return s
end function

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class Main
{
Int[] gnomesort (Int[] list)
{
i := 1
j := 2
while (i < list.size)
{
if (list[i-1] <= list[i])
{
i = j
j += 1
}
else
{
list.swap(i-1, i)
i -= 1
if (i == 0)
{
i = j
j += 1
}
}
}
return list
}
Void main ()
{
list := [4,1,5,8,2,1,5,7]
echo ("" + list + " sorted is " + gnomesort (list))
}
}

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defer precedes
defer exchange
: gnomesort ( a n)
swap >r 1 ( n c)
begin ( n c)
over over > ( n c f)
while ( n c)
dup if ( n c)
dup dup 1- over over r@ precedes
if r@ exchange 1- else drop drop 1+ then
else 1+ then ( n c)
repeat drop drop r> drop ( --)
;
create example
8 93 69 52 50 79 33 52 19 77 , , , , , , , , , ,
:noname >r cells r@ + @ swap cells r> + @ swap < ; is precedes
:noname >r cells r@ + swap cells r> + over @ over @ swap rot ! swap ! ; is exchange
: .array 10 0 do example i cells + ? loop cr ;
.array example 10 gnomesort .array

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: gnomesort+ ( a n)
swap >r 2 tuck 1- ( c2 n c1)
begin ( c2 n c1)
over over > ( c2 n c1 f)
while ( c2 n c1)
dup if ( c2 n c1)
dup dup 1- over over r@ precedes
if r@ exchange 1- else drop drop drop >r dup 1+ swap r> swap then
else drop >r dup 1+ swap r> swap then
repeat drop drop drop r> drop
; ( --)

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program example
implicit none
integer :: array(8) = (/ 2, 8, 6, 1, 3, 5, 4, 7 /)
call Gnomesort(array)
write(*,*) array
contains
subroutine Gnomesort(a)
integer, intent(in out) :: a(:)
integer :: i, j, temp
i = 2
j = 3
do while (i <= size(a))
if (a(i-1) <= a(i)) then
i = j
j = j + 1
else
temp = a(i-1)
a(i-1) = a(i)
a(i) = temp
i = i - 1
if (i == 1) then
i = j
j = j + 1
end if
end if
end do
end subroutine Gnomesort
end program example

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package main
import "fmt"
func main() {
a := []int{170, 45, 75, -90, -802, 24, 2, 66}
fmt.Println("before:", a)
gnomeSort(a)
fmt.Println("after: ", a)
}
func gnomeSort(a []int) {
for i, j := 1, 2; i < len(a); {
if a[i-1] > a[i] {
a[i-1], a[i] = a[i], a[i-1]
i--
if i > 0 {
continue
}
}
i = j
j++
}
}

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package main
import (
"sort"
"fmt"
)
func main() {
a := []int{170, 45, 75, -90, -802, 24, 2, 66}
fmt.Println("before:", a)
gnomeSort(sort.IntSlice(a))
fmt.Println("after: ", a)
}
func gnomeSort(a sort.Interface) {
for i, j := 1, 2; i < a.Len(); {
if a.Less(i, i-1) {
a.Swap(i-1, i)
i--
if i > 0 {
continue
}
}
i = j
j++
}
}

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def makeSwap = { a, i, j = i+1 -> print "."; a[[j,i]] = a[[i,j]] }
def checkSwap = { list, i, j = i+1 -> [(list[i] > list[j])].find{ it }.each { makeSwap(list, i, j) } }
def gnomeSort = { input ->
def swap = checkSwap.curry(input)
def index = 1
while (index < input.size()) {
index += (swap(index-1) && index > 1) ? -1 : 1
}
input
}

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println (gnomeSort([23,76,99,58,97,57,35,89,51,38,95,92,24,46,31,24,14,12,57,78,4]))
println (gnomeSort([88,18,31,44,4,0,8,81,14,78,20,76,84,33,73,75,82,5,62,70,12,7,1]))

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gnomeSort [] = []
gnomeSort (x:xs) = gs [x] xs
where
gs vv@(v:vs) (w:ws)
| v<=w = gs (w:vv) ws
| otherwise = gs vs (w:v:ws)
gs [] (y:ys) = gs [y] ys
gs xs [] = reverse xs
-- keeping the first argument of gs in reverse order avoids the deterioration into cubic behaviour

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procedure main() #: demonstrate various ways to sort a list and string
demosort(gnomesort,[3, 14, 1, 5, 9, 2, 6, 3],"qwerty")
end
procedure gnomesort(X,op) #: return sorted list
local i,j
op := sortop(op,X) # select how and what we sort
j := (i := 2) + 1 # translation of pseudo code
while i <= *X do {
if op(X[i],X[i-1]) then {
X[i] :=: X[i -:= 1]
if i > 1 then next
}
j := (i := j) + 1
}
return X
end

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List do(
gnomeSortInPlace := method(
idx := 1
while(idx <= size,
if(idx == 0 or at(idx) > at(idx - 1)) then(
idx = idx + 1
) else(
swapIndices(idx, idx - 1)
idx = idx - 1
)
)
self)
)
lst := list(5, -1, -4, 2, 9)
lst gnomeSortInPlace println # ==> list(-4, -1, 2, 5, 9)

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List do(
gnomeSortInPlace := method(
idx1 := 1
idx2 := 2
while(idx1 <= size,
if(idx1 == 0 or at(idx1) > at(idx1 - 1)) then(
idx1 = idx2
idx2 = idx2 + 1
) else(
swapIndices(idx1, idx1 - 1)
idx1 = idx1 - 1
)
)
self)
)
lst := list(5, -1, -4, 2, 9)
lst gnomeSortInPlace println # ==> list(-4, -1, 2, 5, 9)

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position=: 0 {.@I.@, [
swap=: ] A.~ *@position * #@[ !@- <:@position
gnome=: swap~ 2 >/\ ]
gnomes=: gnome^:_

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swap=: position (] {~ _1 0 + [)`(0 _1 + [)`]}^:(*@[) ]

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gt=: -.@(-: /:~)@,&<
gnome=: swap~ 2 gt/\ ]

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gnomeps=: gnome^:a:

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2 ~:/\ gnomeps

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public static void gnomeSort(int[] a)
{
int i=1;
int j=2;
while(i < a.length) {
if ( a[i-1] <= a[i] ) {
i = j; j++;
} else {
int tmp = a[i-1];
a[i-1] = a[i];
a[i--] = tmp;
i = (i==0) ? j++ : i;
}
}
}

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function gnomeSort(a) {
function moveBack(i) {
for( ; i > 0 && a[i-1] > a[i]; i--) {
var t = a[i];
a[i] = a[i-1];
a[i-1] = t;
}
}
for (var i = 1; i < a.length; i++) {
if (a[i-1] > a[i]) moveBack(i);
}
return a;
}

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function gnomeSort(a)
local i, j = 2, 3
while i < #a do
if a[i-1] <= a[i] then
i = j
j = j + 1
else
a[i-1], a[i] = a[i], a[i-1] -- swap
i = i - 1
if i == 1 then -- 1 instead of 0
i = j
j = j + 1
end
end
end
end

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list = { 5, 6, 1, 2, 9, 14, 2, 15, 6, 7, 8, 97 }
gnomeSort(list)
for i, j in pairs(list) do
print(j)
end

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function list = gnomeSort(list)
i = 2;
j = 3;
while i <= numel(list)
if list(i-1) <= list(i)
i = j;
j = j+1;
else
list([i-1 i]) = list([i i-1]); %Swap
i = i-1;
if i == 1
i = j;
j = j+1;
end
end %if
end %while
end %gnomeSort

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>> gnomeSort([4 3 1 5 6 2])
ans =
1 2 3 4 5 6

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gnomeSort[list_]:=Module[{i=2,j=3},
While[ i<=Length[[list]],
If[ list[[i-1]]<=list[[i]],
i=j; j++;,
list[[i-1;;i]]=list[[i;;i-1]];i--;];
If[i==1,i=j;j++;]
]]

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def gnomesort(suffix v)(expr n) =
begingroup save i, j, t;
i := 1; j := 2;
forever: exitif not (i < n);
if v[i-1] <= v[i]:
i := j; j := j + 1;
else:
t := v[i-1];
v[i-1] := v[i];
v[i] := t;
i := i - 1;
i := if i=0: j; j := j + 1 else: i fi;
fi
endfor
endgroup enddef;

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numeric a[];
for i = 0 upto 9: a[i] := uniformdeviate(40); message decimal a[i]; endfor
message char10;
gnomesort(a, 10);
for i = 0 upto 9: message decimal a[i]; endfor
end

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/* NetRexx */
options replace format comments java crossref savelog symbols binary
import java.util.List
i1 = ArrayList(Arrays.asList([Integer(3), Integer(3), Integer(1), Integer(2), Integer(4), Integer(3), Integer(5), Integer(6)]))
say i1.toString
say gnomeSort(i1).toString
return
method isTrue public constant binary returns boolean
return 1 == 1
method isFalse public constant binary returns boolean
return \isTrue
method gnomeSort(a = String[], sAsc = isTrue) public constant binary returns String[]
rl = String[a.length]
al = List gnomeSort(Arrays.asList(a), sAsc)
al.toArray(rl)
return rl
method gnomeSort(a = List, sAsc = isTrue) public constant binary returns ArrayList
sDsc = \sAsc -- Ascending/descending switches
ra = ArrayList(a)
i_ = 1
j_ = 2
loop label i_ while i_ < ra.size
ctx = (Comparable ra.get(i_ - 1)).compareTo(Comparable ra.get(i_))
if (sAsc & ctx <= 0) | (sDsc & ctx >= 0) then do
i_ = j_
j_ = j_ + 1
end
else do
swap = ra.get(i_)
ra.set(i_, ra.get(i_ - 1))
ra.set(i_ - 1, swap)
i_ = i_ - 1
if i_ = 0 then do
i_ = j_
j_ = j_ + 1
end
end
end i_
return ra

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@ -0,0 +1,28 @@
# let gnome_sort a =
let i = ref 1
and j = ref 2 in
while !i < Array.length a do
if a.(!i-1) <= a.(!i) then
begin
i := !j;
j := !j + 1;
end else begin
swap a (!i-1) (!i);
i := !i - 1;
if !i = 0 then begin
i := !j;
j := !j + 1;
end;
end;
done;
;;
val gnome_sort : 'a array -> unit = <fun>
# let a = [| 7; 9; 4; 2; 1; 3; 6; 5; 0; 8; |] ;;
val a : int array = [|7; 9; 4; 2; 1; 3; 6; 5; 0; 8|]
# gnome_sort a ;;
- : unit = ()
# a ;;
- : int array = [|0; 1; 2; 3; 4; 5; 6; 7; 8; 9|]

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@ -0,0 +1,21 @@
function : GnomeSort(a : Int[]) {
i := 1;
j := 2;
 
while(i < a->Size()) {
if (a[i-1] <= a[i]) {
i := j;
j += 1;
}
else {
tmp := a[i-1];
a[i-1] := a[i];
a[i] := tmp;
i -= 1;
if(i = 0) {
i := j;
j += 1;
};
};
};
}

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@ -0,0 +1,19 @@
function s = gnomesort(v)
i = 2; j = 3;
while ( i <= length(v) )
if ( v(i-1) <= v(i) )
i = j;
j++;
else
t = v(i-1);
v(i-1) = v(i);
v(i) = t;
i--;
if ( i == 1 )
i = j;
j++;
endif
endif
endwhile
s = v;
endfunction

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@ -0,0 +1,2 @@
v = [7, 9, 4, 2, 1, 3, 6, 5, 0, 8];
disp(gnomesort(v));

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@ -0,0 +1,17 @@
declare
fun {GnomeSort Xs}
case Xs of nil then nil
[] X|Xr then {Loop [X] Xr}
end
end
fun {Loop Vs Ws}
case [Vs Ws]
of [V|_ W|Wr] andthen V =< W then {Loop W|Vs Wr}
[] [V|Vr W|Wr] then {Loop Vr W|V|Wr}
[] [nil W|Wr] then {Loop [W] Wr}
[] [Vs nil ] then {Reverse Vs}
end
end
in
{Show {GnomeSort [3 1 4 1 5 9 2 6 5]}}

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@ -0,0 +1,15 @@
gnomeSort(v)={
my(i=2,j=3,n=#v,t);
while(i<=n,
if(v[i-1]>v[i],
t=v[i];
v[i]=v[i-1];
v[i--]=t;
if(i==1, i=j; j++);
,
i=j;
j++
)
);
v
};

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@ -0,0 +1,20 @@
function gnomeSort($arr){
$i = 1;
$j = 2;
while($i < count($arr)){
if ($arr[$i-1] <= $arr[$i]){
$i = $j;
$j++;
}else{
list($arr[$i],$arr[$i-1]) = array($arr[$i-1],$arr[$i]);
$i--;
if($i == 0){
$i = $j;
$j++;
}
}
}
return $arr;
}
$arr = array(3,1,6,2,9,4,7,8,5);
echo implode(',',gnomeSort($arr));

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@ -0,0 +1,24 @@
procedure gnomesort(var arr : Array of Integer; size : Integer);
var
i, j, t : Integer;
begin
i := 1;
j := 2;
while i < size do begin
if arr[i-1] <= arr[i] then
begin
i := j;
j := j + 1
end
else begin
t := arr[i-1];
arr[i-1] := arr[i];
arr[i] := t;
i := i - 1;
if i = 0 then begin
i := j;
j := j + 1
end
end
end;
end;

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@ -0,0 +1,12 @@
sub gnome_sort (@a is rw) {
my ($i, $j) = 1, 2;
while $i < @a {
if @a[$i - 1] <= @a[$i] {
($i, $j) = $j, $j + 1;
}
else {
(@a[$i - 1], @a[$i]) = @a[$i], @a[$i - 1];
--$i or ($i, $j) = $j, $j + 1;
}
}
}

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@ -0,0 +1,24 @@
use strict;
sub gnome_sort
{
my @a = @_;
my $size = scalar(@a);
my $i = 1;
my $j = 2;
while($i < $size) {
if ( $a[$i-1] <= $a[$i] ) {
$i = $j;
$j++;
} else {
@a[$i, $i-1] = @a[$i-1, $i];
$i--;
if ($i == 0) {
$i = $j;
$j++;
}
}
}
return @a;
}

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@ -0,0 +1,2 @@
my @arr = ( 10, 9, 8, 5, 2, 1, 1, 0, 50, -2 );
print "$_\n" foreach gnome_sort( @arr );

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@ -0,0 +1,10 @@
(de gnomeSort (Lst)
(let J (cdr Lst)
(for (I Lst (cdr I))
(if (>= (cadr I) (car I))
(setq I J J (cdr J))
(xchg I (cdr I))
(if (== I Lst)
(setq I J J (cdr J))
(setq I (prior I Lst)) ) ) ) )
Lst )

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@ -0,0 +1,34 @@
SUB gnomeSort (a() AS LONG)
DIM i AS LONG, j AS LONG
i = 1
j = 2
WHILE (i < UBOUND(a) + 1)
IF (a(i - 1) <= a(i)) THEN
i = j
INCR j
ELSE
SWAP a(i - 1), a(i)
DECR i
IF 0 = i THEN
i = j
INCR j
END IF
END IF
WEND
END SUB
FUNCTION PBMAIN () AS LONG
DIM n(9) AS LONG, x AS LONG
RANDOMIZE TIMER
OPEN "output.txt" FOR OUTPUT AS 1
FOR x = 0 TO 9
n(x) = INT(RND * 9999)
PRINT #1, n(x); ",";
NEXT
PRINT #1,
gnomeSort n()
FOR x = 0 TO 9
PRINT #1, n(x); ",";
NEXT
CLOSE 1
END FUNCTION

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@ -0,0 +1,19 @@
Procedure GnomeSort(Array a(1))
Protected Size = ArraySize(a()) + 1
Protected i = 1, j = 2
While i < Size
If a(i - 1) <= a(i)
;for descending SORT, use >= for comparison
i = j
j + 1
Else
Swap a(i - 1), a(i)
i - 1
If i = 0
i = j
j + 1
EndIf
EndIf
Wend
EndProcedure

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@ -0,0 +1,15 @@
>>> def gnomesort(a):
i,j,size = 1,2,len(a)
while i < size:
if a[i-1] <= a[i]:
i,j = j, j+1
else:
a[i-1],a[i] = a[i],a[i-1]
i -= 1
if i == 0:
i,j = j, j+1
return a
>>> gnomesort([3,4,2,5,1,6])
[1, 2, 3, 4, 5, 6]
>>>

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@ -0,0 +1,26 @@
gnomesort <- function(x)
{
i <- 1
j <- 1
while(i < length(x))
{
if(x[i] <= x[i+1])
{
i <- j
j <- j+1
} else
{
temp <- x[i]
x[i] <- x[i+1]
x[i+1] <- temp
i <- i - 1
if(i == 0)
{
i <- j
j <- j+1
}
}
}
x
}
gnomesort(c(4, 65, 2, -31, 0, 99, 83, 782, 1)) # -31 0 1 2 4 65 83 99 782

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@ -0,0 +1,41 @@
/*REXX program sorts an array using the gnome-sort method. */
call gen@ /*generate the array elements. */
call show@ 'before sort' /*show "before" array elements.*/
call gnomeSort highItem /*invoke the infamous gnome sort.*/
call show@ ' after sort' /*show "after" array elements.*/
exit /*stick a fork in it, we're done.*/
/*─────────────────────────────────────gnomeSORT subroutine─────────────*/
gnomeSort: procedure expose @.; parse arg n; k=2
do j=3 while k<=n; km=k-1
if @.km<=@.k then k=j
else do
_=@.km /*swap two entries in the array. */
@.km=@.k
@.k=_
k=k-1; if k==1 then k=j
end
end /*j*/
return
/*─────────────────────────────────────GEN@ subroutine──────────────────*/
gen@: @.= /*assign a default value (null). */
@.1='---the seven virtues---'
@.2='======================='
@.3='Faith'
@.4='Hope'
@.5='Charity [Love]'
@.6='Fortitude'
@.7='Justice'
@.8='Prudence'
@.9='Temperance'
do highItem=1 while @.highItem\=='' /*find how many entries in array.*/
end /*not much of a DO loop, eh? */
highItem=highItem-1 /*because of DO, adjust highItem.*/
return
/*─────────────────────────────────────SHOW@ subroutine─────────────────*/
show@: widthH=length(highItem) /*the maximum width of any line. */
do j=1 for highItem /*show and tell time for array. */
say 'element' right(j,widthH) arg(1)":" @.j /*make it pretty.*/
end /*j*/
say copies('',60) /*show a separator line that fits*/
return

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@ -0,0 +1,19 @@
import List;
public list[int] gnomeSort(a){
i = 1;
j = 2;
while(i < size(a)){
if(a[i-1] <= a[i]){
i = j;
j += 1;}
else{
temp = a[i-1];
a[i-1] = a[i];
a[i] = temp;
i = i - 1;
if(i == 0){
i = j;
j += 1;}}}
return a;
}

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@ -0,0 +1,2 @@
gnomeSort([4, 65, 2, -31, 0, 99, 83, 782, 1])
list[int]: [-31,0,1,2,4,65,83,99,782]

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@ -0,0 +1,20 @@
class Array
def gnomesort!
i, j = 1, 2
while i < length
if self[i-1] <= self[i]
i, j = j, j+1
else
self[i-1], self[i] = self[i], self[i-1]
i -= 1
if i == 0
i, j = j, j+1
end
end
end
self
end
end
ary = [7,6,5,9,8,4,3,1,2,0]
ary.gnomesort!
# => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

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@ -0,0 +1,21 @@
; supply comparison function, which returns true if first and second
; arguments are in order or equal.
(define (gnome-sort-compar in-order input-list)
(let gnome ((p (list (car input-list)))
(n (cdr input-list)))
(if (null? n) ; no more flowerpots?
p ; we're done
(let ((prev-pot (car p))
(next-pot (car n)))
(if (in-order next-pot prev-pot)
; if the pots are in order, step forwards.
; otherwise, exchange the two pots, and step backwards.
(gnome (cons next-pot p) ; Prev list grows
(cdr n)) ; Next list shorter by one
(if (null? (cdr p)) ; are we at the beginning?
(gnome ; if so, we can't step back
(list next-pot) ; simply exchange the pots without
(cons prev-pot (cdr n))) ; changing lengths of lists
(gnome
(cdr p) ; Prev list shorter by one
(cons next-pot (cons prev-pot (cdr n))))))))))

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@ -0,0 +1,33 @@
Smalltalk at: #gnomesort put: nil.
"Utility"
OrderedCollection extend [
swap: a with: b [ |t|
t := self at: a.
self at: a put: b.
self at: b put: t
]
].
"Gnome sort as block closure"
gnomesort := [ :c |
|i j|
i := 2. j := 3.
[ i <= (c size) ]
whileTrue: [
(c at: (i-1)) <= (c at: i)
ifTrue: [
i := j copy.
j := j + 1.
]
ifFalse: [
c swap: (i-1) with: i.
i := i - 1.
i == 1
ifTrue: [
i := j copy.
j := j + 1
]
]
]
].

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@ -0,0 +1,9 @@
|r o|
r := Random new.
o := OrderedCollection new.
1 to: 10 do: [ :i | o add: (r between: 0 and: 50) ].
gnomesort value: o.
1 to: 10 do: [ :i | (o at: i) displayNl ].

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@ -0,0 +1,24 @@
package require Tcl 8.5
package require struct::list
proc gnomesort {a} {
set i 1
set j 2
set size [llength $a]
while {$i < $size} {
if {[lindex $a [expr {$i - 1}]] <= [lindex $a $i]} {
set i $j
incr j
} else {
struct::list swap a [expr {$i - 1}] $i
incr i -1
if {$i == 0} {
set i $j
incr j
}
}
}
return $a
}
puts [gnomesort {8 6 4 2 1 3 5 7 9}] ;# => 1 2 3 4 5 6 7 8 9

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@ -0,0 +1,5 @@
gnome_sort "p" =
@NiX ^=lx -+ # iteration
~&r?\~& @lNXrX ->llx2rhPlrPCTxPrtPX~&lltPlhPrCXPrX ~&ll&& @llPrXh not "p", # backward bubble
->~&rhPlCrtPX ~&r&& ~&lZ!| @bh "p"+- # forward scan

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@ -0,0 +1,4 @@
#import std
#cast %s
t = gnome_sort(lleq) 'dfijhkwlawfkjnksdjnoqwjefgflkdsgioi'

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@ -0,0 +1,27 @@
function gnomeSort( a )
dim i
dim j
i = 1
j = 2
do while i < ubound( a ) + 1
if a(i-1) <= a(i) then
i = j
j = j + 1
else
swap a(i-1), a(i)
i = i - 1
if i = 0 then
i = j
j = j + 1
end if
end if
loop
gnomeSort = a
end function
sub swap( byref x, byref y )
dim temp
temp = x
x = y
y = temp
end sub

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@ -0,0 +1,22 @@
dim a
dim b
a = array( "zanzibar", "aardvark","ampicillin","zulu","gogodala", "wolverhampton")
b = gnomeSort( a )
wscript.echo join(a, ", ")
a = array( 234,567,345,568,2345,89,547,23,649,5769,456,456,567)
b = gnomeSort( a )
wscript.echo join(a, ", ")
a = array( true, false, true, true, false, false, true, false)
b = gnomeSort( a )
wscript.echo join(a, ", ")
a = array( 1,2,2,4,67789,-3,-45.99)
b = gnomeSort( a )
wscript.echo join(a, ", ")
a = array( now(), now()-1,now()+2)
b = gnomeSort( a )
wscript.echo join(a, ", ")

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@ -0,0 +1,5 @@
aardvark, ampicillin, gogodala, wolverhampton, zanzibar, zulu
23, 89, 234, 345, 456, 456, 547, 567, 567, 568, 649, 2345, 5769
True, True, True, True, False, False, False, False
-45.99, -3, 1, 2, 2, 4, 67789
2/02/2010 10:19:51 AM, 3/02/2010 10:19:51 AM, 5/02/2010 10:19:51 AM

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@ -0,0 +1,28 @@
code ChOut=8, IntOut=11;
proc GnomeSort(A(0..Size-1)); \Sort array A
int A, Size;
int I, J, T;
[I:= 1;
J:= 2;
while I < Size do
if A(I-1) <= A(I) then
[\ for descending sort, use >= for comparison
I:= J;
J:= J+1;
]
else
[T:= A(I-1); A(I-1):= A(I); A(I):= T; \swap
I:= I-1;
if I = 0 then
[I:= J;
J:= J+1;
];
];
];
int A, I;
[A:= [3, 1, 4, 1, -5, 9, 2, 6, 5, 4];
GnomeSort(A, 10);
for I:= 0 to 10-1 do [IntOut(0, A(I)); ChOut(0, ^ )];
]