Instruction stringlengths 45 106 | input_code stringlengths 1 13.7k | output_code stringlengths 1 13.7k |
|---|---|---|
Please provide an equivalent version of this Go code in F#. | package main
import (
"fmt"
"math/big"
)
var names = [10]string{"Platinum", "Golden", "Silver", "Bronze", "Copper",
"Nickel", "Aluminium", "Iron", "Tin", "Lead"}
func lucas(b int64) {
fmt.Printf("Lucas sequence for %s ratio, where b = %d:\n", names[b], b)
fmt.Print("First 15 elements: ")
var ... |
let rec fN i g (e,l)=match i with 0->g |_->fN (i-1) (int(l/e)::g) (e,(l%e)*10I)
let fI(P:int)=Seq.unfold(fun(n,g)->Some(g,((bigint P)*n+g,n)))(1I,1I)
let fG fI fN=let _,(n,g)=fI|>Seq.pairwise|>Seq.mapi(fun n g->(n,fN g))|>Seq.pairwise|>Seq.find(fun((_,n),(_,g))->n=g) in (n,List.rev g)
let mR n g=printf "F... |
Convert this Go snippet to F# and keep its semantics consistent. | package main
import "fmt"
type Ele struct {
Data interface{}
Next *Ele
}
var head *Ele
func (e *Ele) Append(data interface{}) *Ele {
if e == nil {
return e
}
if e.Next == nil {
e.Next = &Ele{data, nil}
} else {
e.Next = &Ele{data, e.Next}
}
return e.Next
}
... |
let N=[23;42;1;13;0]
let fG n g=List.indexed n|>List.filter(fun(n,_)->n<>g)|>List.map snd
printfn " before: %A\nand after: %A" N (fG N 2)
|
Produce a language-to-language conversion: from Go to F#, same semantics. | package main
import (
"crypto/des"
"encoding/hex"
"fmt"
"log"
)
func main() {
key, err := hex.DecodeString("0e329232ea6d0d73")
if err != nil {
log.Fatal(err)
}
c, err := des.NewCipher(key)
if err != nil {
log.Fatal(err)
}
src, err := hex.DecodeString("878787... | open System
open System.Security.Cryptography
open System.IO
let ByteArrayToString ba =
ba |> Array.map (fun (b : byte) -> b.ToString("X2")) |> String.Concat
let Encrypt passwordBytes messageBytes =
let iv = Array.zeroCreate 8
let provider = new DESCryptoServiceProvider()
let transform = provider... |
Write a version of this Go function in F# with identical behavior. | package main
import (
"fmt"
"math"
"rcu"
"time"
)
var count []int
func primeCounter(limit int) {
count = make([]int, limit)
for i := 0; i < limit; i++ {
count[i] = 1
}
if limit > 0 {
count[0] = 0
}
if limit > 1 {
count[1] = 0
}
for i := 4; i < l... |
let fN g=if isPrime g then 1 else if g%2=1 then 0 else if isPrime(g/2) then -1 else 0
let rP p=let N,G=Array.create p 0,(Seq.item(3*p-2)(primes32()))+1 in let rec fG n g=if g=G then N else(if n<p then N.[n]<-g); fG(n+(fN g))(g+1) in fG 0 1
let n=rP 100000
n.[0..99]|>Array.iter(printf "%d "); printfn ""
[1000;10000;100... |
Can you help me rewrite this code in F# instead of Go, keeping it the same logically? | package main
import (
"fmt"
"math"
"rcu"
"time"
)
var count []int
func primeCounter(limit int) {
count = make([]int, limit)
for i := 0; i < limit; i++ {
count[i] = 1
}
if limit > 0 {
count[0] = 0
}
if limit > 1 {
count[1] = 0
}
for i := 4; i < l... |
let fN g=if isPrime g then 1 else if g%2=1 then 0 else if isPrime(g/2) then -1 else 0
let rP p=let N,G=Array.create p 0,(Seq.item(3*p-2)(primes32()))+1 in let rec fG n g=if g=G then N else(if n<p then N.[n]<-g); fG(n+(fN g))(g+1) in fG 0 1
let n=rP 100000
n.[0..99]|>Array.iter(printf "%d "); printfn ""
[1000;10000;100... |
Convert this Go block to F#, preserving its control flow and logic. | package main
import (
"fmt"
big "github.com/ncw/gmp"
"rcu"
"strings"
)
func main() {
limit := 2700
primes := rcu.Primes(limit)
s := new(big.Int)
for b := 2; b <= 36; b++ {
var rPrimes []int
for _, p := range primes {
s.SetString(strings.Repeat("1", p), b)
... |
let rUnitP(b:int)=let b=bigint b in primes32()|>Seq.takeWhile((>)1000)|>Seq.map(fun n->(n,((b**n)-1I)/(b-1I)))|>Seq.filter(fun(_,n)->Open.Numeric.Primes.MillerRabin.IsProbablePrime &n)|>Seq.map fst
[2..16]|>List.iter(fun n->printf $"Base %d{n}: "; rUnitP(n)|>Seq.iter(printf "%d "); printfn "")
|
Keep all operations the same but rewrite the snippet in F#. | package main
import (
"fmt"
big "github.com/ncw/gmp"
"rcu"
"strings"
)
func main() {
limit := 2700
primes := rcu.Primes(limit)
s := new(big.Int)
for b := 2; b <= 36; b++ {
var rPrimes []int
for _, p := range primes {
s.SetString(strings.Repeat("1", p), b)
... |
let rUnitP(b:int)=let b=bigint b in primes32()|>Seq.takeWhile((>)1000)|>Seq.map(fun n->(n,((b**n)-1I)/(b-1I)))|>Seq.filter(fun(_,n)->Open.Numeric.Primes.MillerRabin.IsProbablePrime &n)|>Seq.map fst
[2..16]|>List.iter(fun n->printf $"Base %d{n}: "; rUnitP(n)|>Seq.iter(printf "%d "); printfn "")
|
Can you help me rewrite this code in F# instead of Go, keeping it the same logically? | package main
import (
"fmt"
"math"
"rcu"
)
var maxDepth = 6
var maxBase = 36
var c = rcu.PrimeSieve(int(math.Pow(float64(maxBase), float64(maxDepth))), true)
var digits = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
var maxStrings [][][]int
var mostBases = -1
func maxSlice(a []int) in... |
let digits="0123456789abcdefghijklmnopqrstuvwxyz"
let fG n g=let rec fN g=function i when i<n->i::g |i->fN((i%n)::g)(i/n) in primes32()|>Seq.skipWhile((>)(pown n (g-1)))|>Seq.takeWhile((>)(pown n g))|>Seq.map(fun g->(n,fN [] g))
let fN g={2..36}|>Seq.collect(fun n->fG n g)|>Seq.groupBy snd|>Seq.groupBy(snd>>(Seq.lengt... |
Write the same code in F# as shown below in Go. | package main
import (
"fmt"
"math"
"rcu"
)
var limit = int(math.Log(1e6) * 1e6 * 1.2)
var primes = rcu.Primes(limit)
var prevCats = make(map[int]int)
func cat(p int) int {
if v, ok := prevCats[p]; ok {
return v
}
pf := rcu.PrimeFactors(p + 1)
all := true
for _, f := range pf... |
let rec fG n g=match n,g with ((_,1),_)|(_,[])->n |((_,p),h::_) when h>p->n |((p,q),h::_) when q%h=0->fG (p,q/h) g |(_,_::g)->fG n g
let fN g=Seq.unfold(fun(n,g)->let n,g=n|>List.map(fun n->fG n g)|>List.partition(fun(_,n)->n<>1) in let g=g|>List.map fst in if g=[] then None else Some(g,(n,g)))(primes32()|>Seq.take g|... |
Can you help me rewrite this code in F# instead of Go, keeping it the same logically? | package main
import (
"fmt"
"log"
"rcu"
"sort"
)
func ord(n int) string {
if n < 0 {
log.Fatal("Argument must be a non-negative integer.")
}
m := n % 100
if m >= 4 && m <= 20 {
return fmt.Sprintf("%sth", rcu.Commatize(n))
}
m %= 10
suffix := "th"
if m ==... |
let fN(g:seq<int64>)=let g=(g|>Seq.scan(fun(_,n,i) g->(g,n+g,i+1))(0,0L,0)|>Seq.skip 1).GetEnumerator() in (fun()->g.MoveNext()|>ignore; g.Current)
let fG n g=let rec fG a b=seq{match a,b with ((_,p,_),(_,c,_)) when p<c->yield! fG(n()) b |((_,p,_),(_,c,_)) when p>c->yield! fG a (g()) |_->yield(a,b); yield! fG(n())(g()... |
Translate this program into F# but keep the logic exactly as in Go. | package main
import (
"fmt"
"rcu"
)
func main() {
limit := int(1e9)
gapStarts := make(map[int]int)
primes := rcu.Primes(limit * 5)
for i := 1; i < len(primes); i++ {
gap := primes[i] - primes[i-1]
if _, ok := gapStarts[gap]; !ok {
gapStarts[gap] = primes[i-1]
... |
let fN y=let i=System.Collections.Generic.SortedDictionary<int64,int64>()
let fN()=i|>Seq.pairwise|>Seq.takeWhile(fun(n,g)->g.Key=n.Key+2L)|>Seq.tryFind(fun(n,g)->abs(n.Value-g.Value)>y)
(fun(n,g)->let e=g-n in match i.TryGetValue(e) with (false,_)->i.Add(e,n); fN() |_->None)
[1..9]|>List.iter(fun g-... |
Convert this Go block to F#, preserving its control flow and logic. | package main
import (
"fmt"
"math"
)
type mwriter struct {
value float64
log string
}
func (m mwriter) bind(f func(v float64) mwriter) mwriter {
n := f(m.value)
n.log = m.log + n.log
return n
}
func unit(v float64, s string) mwriter {
return mwriter{v, fmt.Sprintf(" %-17s: %g\n", ... |
type Riter<'n>=Riter of 'n * List<string>
let eval=function |Riter(n,g)->(n,g)
let compose f=function |Riter(n,g)->let n,l=eval(f n) in Riter(n,List.append g l)
let initV n=Riter(n,[sprintf "Initial Value %f" n])
let sqrt n=Riter(sqrt n,["Took square root"])
let div n g=Riter(n/g,[sprintf "Divided by %f" n])
let add n... |
Convert this Go block to F#, preserving its control flow and logic. | package main
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"strings"
)
func contains(a []string, s string) bool {
for _, e := range a {
if e == s {
return true
}
}
return false
}
func oneAway(a, b string) bool {
sum := 0
for i := 0; i < len(a); i++ {
... |
let fG n g=n|>List.partition(fun n->2>Seq.fold2(fun z n g->z+if n=g then 0 else 1) 0 n g)
let wL n g=let dict=seq{use n=System.IO.File.OpenText("unixdict.txt") in while not n.EndOfStream do yield n.ReadLine()}|>Seq.filter(Seq.length>>(=)(Seq.length n))|>List.ofSeq|>List.except [n]
let (|Done|_|) n=n|>List.t... |
Rewrite this program in F# while keeping its functionality equivalent to the Go version. | package main
import (
"fmt"
"rcu"
"sort"
)
func main() {
const limit = int(1e10)
const maxIndex = 9
primes := rcu.Primes(limit)
anaprimes := make(map[int][]int)
for _, p := range primes {
digs := rcu.Digits(p, 10)
key := 1
for _, dig := range digs {
... |
let fN g=let i=Array.zeroCreate<int>10
let rec fN g=if g<10 then i[g]<-i[g]+1 else i[g%10]<-i[g%10]+1; fN (g/10)
fN g; i
let aP n=let _,n=primes32()|>Seq.skipWhile((>)(pown 10 (n-1)))|>Seq.takeWhile((>)(pown 10 n-1))|>Seq.groupBy fN|>Seq.maxBy(fun(_,n)->Seq.length n)
let n=Array.ofSeq n
... |
Generate a F# translation of this Go snippet without changing its computational steps. | package main
import (
"fmt"
"sort"
)
func fourFaceCombs() (res [][4]int) {
found := make([]bool, 256)
for i := 1; i <= 4; i++ {
for j := 1; j <= 4; j++ {
for k := 1; k <= 4; k++ {
for l := 1; l <= 4; l++ {
c := [4]int{i, j, k, l}
... |
let die=[for n0 in [1..4] do for n1 in [n0..4] do for n2 in [n1..4] do for n3 in [n2..4]->[n0;n1;n2;n3]]
let N=seq{for n in die->(n,[for g in die do if (seq{for n in n do for g in g->compare n g}|>Seq.sum<0) then yield g])}|>Map.ofSeq
let n3=seq{for d1 in die do for d2 in N.[d1] do for d3 in N.[d2] do if List.contain... |
Convert the following code from Go to F#, ensuring the logic remains intact. | package main
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"math/rand"
"sort"
"strings"
"time"
)
var adfgvx = "ADFGVX"
var alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
func distinct(bs []byte) []byte {
var u []byte
for _, b := range bs {
if !bytes.Contains(u, []byte{b}... |
let polybus=let n=[|yield! {'A'..'Z'}; yield! {'0'..'9'}|] in MathNet.Numerics.Combinatorics.GeneratePermutation 36|>Array.map(fun g->n.[g]),[|'A';'D';'F';'G';'V';'X'|]
let printPolybus(a,g)=printf " "; g|>Array.iter(printf "%c "); printfn ""; printfn " ----------------"
g|>Array.iteri(fun... |
Change the programming language of this snippet from Go to F# without modifying what it does. | package main
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"math/rand"
"sort"
"strings"
"time"
)
var adfgvx = "ADFGVX"
var alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
func distinct(bs []byte) []byte {
var u []byte
for _, b := range bs {
if !bytes.Contains(u, []byte{b}... |
let polybus=let n=[|yield! {'A'..'Z'}; yield! {'0'..'9'}|] in MathNet.Numerics.Combinatorics.GeneratePermutation 36|>Array.map(fun g->n.[g]),[|'A';'D';'F';'G';'V';'X'|]
let printPolybus(a,g)=printf " "; g|>Array.iter(printf "%c "); printfn ""; printfn " ----------------"
g|>Array.iteri(fun... |
Please provide an equivalent version of this Go code in F#. | package main
import (
"fmt"
"math/rand"
"strconv"
"strings"
"time"
)
func factorial(n int) int {
fact := 1
for i := 2; i <= n; i++ {
fact *= i
}
return fact
}
func genFactBaseNums(size int, countOnly bool) ([][]int, int) {
var results [][]int
count := 0
for n :... |
let lN2p (c:int[]) (Ω:'Ω[])=
let Ω=Array.copy Ω
let rec fN i g e l=match l-i with 0->Ω.[i]<-e |_->Ω.[l]<-Ω.[l-1]; fN i g e (l-1)
[0..((Array.length Ω)-2)]|>List.iter(fun n->let i=c.[n] in if i>0 then fN n (i+n) Ω.[i+n] (i+n)); Ω
let lN n =
let Ω=(Array.length n)
let fN g=if n.[g]=Ω-g then n.[g]<-0; false... |
Generate a F# translation of this Go snippet without changing its computational steps. | package main
import (
"fmt"
"strings"
)
func isDigit(b byte) bool {
return '0' <= b && b <= '9'
}
func separateHouseNumber(address string) (street string, house string) {
length := len(address)
fields := strings.Fields(address)
size := len(fields)
last := fields[size-1]
penult := fiel... |
let fN g=let n=System.Text.RegularExpressions.Regex.Match(g,@"(\s\d+[-/]\d+)|(\s(?!1940|1945)\d+[a-zI. /]*\d*)$") in if n.Success then Some(g.[0..n.Index],n.Value) else None
let td=["Plataanstraat 5";"Straat 12";"Straat 12 II";"Straat 1940 II";"Dr. J. Straat 40";"Dr. J. Straat 12 a";"Dr. J. Straat 12-14";"Laan 1940 ... |
Keep all operations the same but rewrite the snippet in F#. | package main
import (
"fmt"
"strings"
)
type Location struct{ lat, lng float64 }
func (loc Location) String() string { return fmt.Sprintf("[%f, %f]", loc.lat, loc.lng) }
type Range struct{ lower, upper float64 }
var gBase32 = "0123456789bcdefghjkmnpqrstuvwxyz"
func encodeGeohash(loc Location, prec int) st... |
let fG n g=Seq.unfold(fun(α,β)->let τ=(α+β)/2.0 in Some(if τ>g then (0,(α,τ)) else (1,(τ,b)))) n
let fLat, fLon = fG (-90.0,90.0), fG (-180.0,180.0)
let fN n g z=Seq.zip(fLat n)(fLon g)|>Seq.collect(fun(n,g)->seq{yield g;yield n})|>Seq.take(z*5)|>Seq.splitInto z
let fI=Array.fold2 (fun Σ α β->Σ+α*β) 0 [|16; 8; 4; 2; ... |
Port the provided Go code into F# while preserving the original functionality. | package main
import (
"fmt"
"math"
"strings"
"time"
)
var board [][]bool
var diag1, diag2 [][]int
var diag1Lookup, diag2Lookup []bool
var n, minCount int
var layout string
func isAttacked(piece string, row, col int) bool {
if piece == "Q" {
for i := 0; i < n; i++ {
if board[i]... |
type att={n:uint64; g:uint64}
static member att n g=let g=g|>Seq.fold(fun n g->n ||| (1UL<<<g)) 0UL in {n=n|>Seq.fold(fun n g->n ||| (1UL<<<g)) 0UL; g=g}
static member (+) (n,g)=let x=n.g ||| g.g in {n=n.n ||| g.n; g=x}
let fN g=let fG n g=[n-g-g-1;n-g-g+1;n-g+2;n-g-2;n+g+g-1;n+g+g+1;n+g-2;n+g+2]... |
Preserve the algorithm and functionality while converting the code from Go to F#. | package main
import (
"fmt"
"math/big"
"strconv"
"strings"
)
func main() {
var res []int64
for n := 0; n <= 50; n++ {
ns := strconv.Itoa(n)
k := int64(1)
for {
bk := big.NewInt(k)
s := bk.Exp(bk, bk, nil).String()
if strings.Contains(... |
let rec fG n g=match bigint.DivRem(n,if g<10 then 10I else 100I) with (_,n) when (int n)=g->true |(n,_) when n=0I->false |(n,_)->fG n g
{0..50}|>Seq.iter(fun g->printf "%d " (1+({1..0x0FFFFFFF}|>Seq.map(fun n->(bigint n)**n)|>Seq.findIndex(fun n->fG n g)))); printfn ""
|
Change the following Go code into F# without altering its purpose. | package main
import (
"fmt"
"math"
"rcu"
"time"
)
var count []int
func primeCounter(limit int) {
count = make([]int, limit)
for i := 0; i < limit; i++ {
count[i] = 1
}
if limit > 0 {
count[0] = 0
}
if limit > 1 {
count[1] = 0
}
for i := 4; i < l... |
printfn $"There are %d{rP 1000000|>Seq.pairwise|>Seq.filter(fun(n,g)->n=g-2)|>Seq.length} twins in the first million Ramanujan primes"
|
Keep all operations the same but rewrite the snippet in F#. | package main
import (
"fmt"
"strings"
)
var gmooh = strings.Split(
`.........00000.........
......00003130000......
....000321322221000....
...00231222432132200...
..0041433223233211100..
..0232231612142618530..
.003152122326114121200.
.031252235216111132210.
.022211246332311115210.
0011323226212131721320... | let safety=readCSV '\t' "gmooh.dat"|>Seq.choose(fun n->if n.value="0" then Some (n.row,n.col) else None)
let board=readCSV '\t' "gmooh.dat"|>Seq.choose(fun n->match n.value with |"0"|"1"|"2"|"3"|"4"|"5"|"6"|"7"|"8"|"9" as g->Some((n.row,n.col),int g)|_->None)|>Map.ofSeq
let adjacent((n,g),v)=List.choose(fun y->if y=(n,... |
Convert the following code from Go to F#, ensuring the logic remains intact. | package main
import (
"fmt"
"math/rand"
"time"
)
type (
vector []int
matrix []vector
cube []matrix
)
func toReduced(m matrix) matrix {
n := len(m)
r := make(matrix, n)
for i := 0; i < n; i++ {
r[i] = make(vector, n)
copy(r[i], m[i])
}
for j := 0; j < n-1;... |
let R=let N=System.Random() in (fun n->N.Next(n))
let jmLS α X0=
let X0=Array2D.copy X0
let N=let N=[|[0..α-1];[α-1..(-1)..0]|] in (fun()->N.[R 2])
let rec randLS i j z n g s=
X0.[i,g]<-s; X0.[n,j]<-s
if X0.[n,g]=s then X0.[n,g]<-z; X0
else randLS n g s (List.find(fun n->X0.[n,g]=s)(N())) (List.find... |
Write a version of this Go function in F# with identical behavior. | package main
import (
"fmt"
"strings"
)
func derivative(p []int) []int {
if len(p) == 1 {
return []int{0}
}
d := make([]int, len(p)-1)
copy(d, p[1:])
for i := 0; i < len(d); i++ {
d[i] = p[i+1] * (i + 1)
}
return d
}
var ss = []string{"", "", "\u00b2", "\u00b3", "\... |
let n=[[5];[4;-3];[-1;6;5];[-4;3;-2;1];[1;1;0;-1;-1]]|>List.iter((List.mapi(fun n g->n*g)>>List.skip 1>>printfn "%A"))
|
Convert the following code from Java to Forth, ensuring the logic remains intact. | import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JFrame;
public class ColorFrame extends JFrame {
public ColorFrame(int width, int height) {
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setSize(width, height);
this.setVisible(true);
}
@Override
public void paint(Graphics g) {
Col... |
NEEDS HCHAR FROM DSK1.GRAFIX
NEEDS CHARSET FROM DSK1.CHARSET
NEEDS ENUM FROM DSK1.ENUM
1 ENUM CLR ENUM BLK ENUM MGRN ENUM LGRN
ENUM BLU ENUM LBLU ENUM RED ENUM CYAN
ENUM MRED ENUM LRED ENUM YEL ENUM LYEL
ENUM GRN ENUM MAG ENUM GRY ENUM WHT
DROP
HEX
CREAT... |
Keep all operations the same but rewrite the snippet in Forth. |
public class MyException extends Exception {
}
public class MyRuntimeException extends RuntimeException {}
| : f 1 throw ." f " ;
: g 0 throw ." g " ;
|
Translate this program into Forth but keep the logic exactly as in Java. | import java.util.*;
public class Game24 {
static Random r = new Random();
public static void main(String[] args) {
int[] digits = randomDigits();
Scanner in = new Scanner(System.in);
System.out.print("Make 24 using these digits: ");
System.out.println(Arrays.toString(digits))... |
ns: game
: + n:+ ;
: - n:- ;
: * n:* ;
: / n:/ ;
ns: G
var random-digits
var user-input
: one-digit
rand n:abs 9 n:mod n:1+ a:push ;
: gen-digits
[] clone nip
' one-digit 4 times
' n:cmp a:sort
random-digits ! ;
: prompt-user
cr "The digits are: " . random-digits @ . cr ;
: goodbye
cr ... |
Generate a Forth translation of this Java snippet without changing its computational steps. | import java.util.*;
public class Game24 {
static Random r = new Random();
public static void main(String[] args) {
int[] digits = randomDigits();
Scanner in = new Scanner(System.in);
System.out.print("Make 24 using these digits: ");
System.out.println(Arrays.toString(digits))... |
ns: game
: + n:+ ;
: - n:- ;
: * n:* ;
: / n:/ ;
ns: G
var random-digits
var user-input
: one-digit
rand n:abs 9 n:mod n:1+ a:push ;
: gen-digits
[] clone nip
' one-digit 4 times
' n:cmp a:sort
random-digits ! ;
: prompt-user
cr "The digits are: " . random-digits @ . cr ;
: goodbye
cr ... |
Ensure the translated Forth code behaves exactly like the original Java snippet. | final int immutableInt = 4;
int mutableInt = 4;
mutableInt = 6;
immutableInt = 6;
| 123 const var, one-two-three
|
Port the following code from Java to Forth with equivalent syntax and logic. | import java.util.LinkedList;
import java.util.List;
import java.util.function.BiPredicate;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
public class StrangeNumbers {
private static List<Integer> digits(int n) {
var result = new LinkedList<Integer>();
while (n > 0) {
... |
: prime?
1 swap lshift 0xac and 0<> ;
: strange?
dup 10 < if drop false exit then
10 /mod swap >r
begin
dup 0 >
while
10 /mod swap
dup r> - abs
prime? invert if 2drop false exit then
>r
repeat
drop rdrop true ;
: main
0
500 101 do
i strange? if
i .
1+
dup... |
Write the same code in Forth as shown below in Java. | import java.util.LinkedList;
import java.util.List;
import java.util.function.BiPredicate;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
public class StrangeNumbers {
private static List<Integer> digits(int n) {
var result = new LinkedList<Integer>();
while (n > 0) {
... |
: prime?
1 swap lshift 0xac and 0<> ;
: strange?
dup 10 < if drop false exit then
10 /mod swap >r
begin
dup 0 >
while
10 /mod swap
dup r> - abs
prime? invert if 2drop false exit then
>r
repeat
drop rdrop true ;
: main
0
500 101 do
i strange? if
i .
1+
dup... |
Convert this Java snippet to Forth and keep its semantics consistent. | import java.util.HashMap;
import java.util.Map;
public class HofQ {
private static Map<Integer, Integer> q = new HashMap<Integer, Integer>(){{
put(1, 1);
put(2, 1);
}};
private static int[] nUses = new int[100001];
public static int Q(int n){
nUses[n]++;
if(q.containsKey(n)){
return q.get(n);
}
... | 100000 constant N
: q cells here + ;
: qinit
1 0 q !
1 1 q !
N 2 do
i i 1- q @ - q @
i i 2 - q @ - q @
+ i q !
loop ;
: flips
." flips: "
0 N 1 do
i q @ i 1- q @ < if 1+ then
loop . cr ;
: qprint
0 do i q @ . loop cr ;
qinit
10 qprint
999 q @ . cr
flips
bye
|
Translate this program into Forth but keep the logic exactly as in Java. | import java.util.HashMap;
import java.util.Map;
public class HofQ {
private static Map<Integer, Integer> q = new HashMap<Integer, Integer>(){{
put(1, 1);
put(2, 1);
}};
private static int[] nUses = new int[100001];
public static int Q(int n){
nUses[n]++;
if(q.containsKey(n)){
return q.get(n);
}
... | 100000 constant N
: q cells here + ;
: qinit
1 0 q !
1 1 q !
N 2 do
i i 1- q @ - q @
i i 2 - q @ - q @
+ i q !
loop ;
: flips
." flips: "
0 N 1 do
i q @ i 1- q @ < if 1+ then
loop . cr ;
: qprint
0 do i q @ . loop cr ;
qinit
10 qprint
999 q @ . cr
flips
bye
|
Transform the following Java implementation into Forth, maintaining the same output and logic. | public class CountSubstring {
public static int countSubstring(String subStr, String str){
return (str.length() - str.replace(subStr, "").length()) / subStr.length();
}
public static void main(String[] args){
System.out.println(countSubstring("th", "the three truths"));
System.out.println(countSubstring("aba... | : str-count
2swap 0 >r
begin 2over search
while 2over nip /string
r> 1+ >r
repeat 2drop 2drop r> ;
s" the three truths" s" th" str-count .
s" ababababab" s" abab" str-count .
|
Convert this Java snippet to Forth and keep its semantics consistent. | import java.util.Arrays;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Random;
public class RPS {
public enum Item{
ROCK, PAPER, SCISSORS, ;
public List<Item> losesToList;
public boolean losesTo(Item other) {
return losesToList.contains(othe... | include random.fs
0 value aiwins
0 value plwins
10 constant inlim
0 constant rock
1 constant paper
2 constant scissors
create rpshistory 0 , 0 , 0 ,
create inversemove 1 , 2 , 0 ,
3 constant historylen
: @a
swap cells + @ ;
: sum-history
0 historylen 0 ?do
i rpshistory @a 1+ + loop ;
: probable-choi... |
Translate this program into Forth but keep the logic exactly as in Java. | import java.math.BigInteger;
import java.util.Locale;
public class BenfordsLaw {
private static BigInteger[] generateFibonacci(int n) {
BigInteger[] fib = new BigInteger[n];
fib[0] = BigInteger.ONE;
fib[1] = BigInteger.ONE;
for (int i = 2; i < fib.length; i++) {
fib[i] ... | : 3drop drop 2drop ;
: f2drop fdrop fdrop ;
: int-array create cells allot does> swap cells + ;
: 1st-fib 0e 1e ;
: next-fib ftuck f+ ;
: 1st-digit
pad 6 represent 3drop pad c@ [char] 0 - ;
10 int-array counts
: tally
0 counts 10 cells erase
1st-fib
1000 0 DO
1 fdup 1st-digit count... |
Generate an equivalent Forth version of this Java code. | import java.math.BigInteger;
import java.util.Locale;
public class BenfordsLaw {
private static BigInteger[] generateFibonacci(int n) {
BigInteger[] fib = new BigInteger[n];
fib[0] = BigInteger.ONE;
fib[1] = BigInteger.ONE;
for (int i = 2; i < fib.length; i++) {
fib[i] ... | : 3drop drop 2drop ;
: f2drop fdrop fdrop ;
: int-array create cells allot does> swap cells + ;
: 1st-fib 0e 1e ;
: next-fib ftuck f+ ;
: 1st-digit
pad 6 represent 3drop pad c@ [char] 0 - ;
10 int-array counts
: tally
0 counts 10 cells erase
1st-fib
1000 0 DO
1 fdup 1st-digit count... |
Produce a functionally identical Forth code for the snippet given in Java. | import java.math.*;
public class Hickerson {
final static String LN2 = "0.693147180559945309417232121458";
public static void main(String[] args) {
for (int n = 1; n <= 17; n++)
System.out.printf("%2s is almost integer: %s%n", n, almostInteger(n));
}
static boolean almostInteger(... | [UNDEFINED] ANS [IF]
include lib/fp1.4th
include lib/zenfprox.4th
include lib/zenround.4th
include lib/zenfln.4th
include lib/zenfpow.4th
[ELSE]
include lib/fp3.4th
include lib/flnflog.4th
include lib/... |
Write a version of this Java function in Forth with identical behavior. | import java.math.*;
public class Hickerson {
final static String LN2 = "0.693147180559945309417232121458";
public static void main(String[] args) {
for (int n = 1; n <= 17; n++)
System.out.printf("%2s is almost integer: %s%n", n, almostInteger(n));
}
static boolean almostInteger(... | [UNDEFINED] ANS [IF]
include lib/fp1.4th
include lib/zenfprox.4th
include lib/zenround.4th
include lib/zenfln.4th
include lib/zenfpow.4th
[ELSE]
include lib/fp3.4th
include lib/flnflog.4th
include lib/... |
Can you help me rewrite this code in Forth instead of Java, keeping it the same logically? | public class additivePrimes {
public static void main(String[] args) {
int additive_primes = 0;
for (int i = 2; i < 500; i++) {
if(isPrime(i) && isPrime(digitSum(i))){
additive_primes++;
System.out.print(i + " ");
}
}
System.ou... | : prime? here + c@ 0= ;
: notprime! here + 1 swap c! ;
: prime_sieve
here over erase
0 notprime!
1 notprime!
2
begin
2dup dup * >
while
dup prime? if
2dup dup * do
i notprime!
dup +loop
then
1+
repeat
2drop ;
: digit_sum
dup 10 < if exit then
10 /mod recurse... |
Transform the following Java implementation into Forth, maintaining the same output and logic. | String dog = "Benjamin";
String Dog = "Samba";
String DOG = "Bernie";
@Inject Console console;
console.print($"There are three dogs named {dog}, {Dog}, and {DOG}");
| : DOG ." Benjamin" ;
: Dog ." Samba" ;
: dog ." Bernie" ;
: HOWMANYDOGS ." There is just one dog named " DOG ;
HOWMANYDOGS
|
Port the provided Java code into Forth while preserving the original functionality. | public class ExtraPrimes {
private static int nextPrimeDigitNumber(int n) {
if (n == 0) {
return 2;
}
switch (n % 10) {
case 2:
return n + 1;
case 3:
case 5:
return n + 2;
default:
ret... | : is_prime?
dup 2 < if drop false exit then
dup 2 mod 0= if 2 = exit then
dup 3 mod 0= if 3 = exit then
5
begin
2dup dup * >=
while
2dup mod 0= if 2drop false exit then
2 +
2dup mod 0= if 2drop false exit then
4 +
repeat
2drop true ;
: next_prime_digit_number
dup 0= if drop 2 ex... |
Port the following code from Java to Forth with equivalent syntax and logic. | public class ExtraPrimes {
private static int nextPrimeDigitNumber(int n) {
if (n == 0) {
return 2;
}
switch (n % 10) {
case 2:
return n + 1;
case 3:
case 5:
return n + 2;
default:
ret... | : is_prime?
dup 2 < if drop false exit then
dup 2 mod 0= if 2 = exit then
dup 3 mod 0= if 3 = exit then
5
begin
2dup dup * >=
while
2dup mod 0= if 2drop false exit then
2 +
2dup mod 0= if 2drop false exit then
4 +
repeat
2drop true ;
: next_prime_digit_number
dup 0= if drop 2 ex... |
Preserve the algorithm and functionality while converting the code from Java to Forth. | public static void shell(int[] a) {
int increment = a.length / 2;
while (increment > 0) {
for (int i = increment; i < a.length; i++) {
int j = i;
int temp = a[i];
while (j >= increment && a[j - increment] > temp) {
a[j] = a[j - increment];
j = j - increment;
}
a[j] = temp;
}
if (increment... | defer less? ' < is less?
: shell { array len -- }
1 begin dup len u<= while 2* 1+ repeat { gap }
begin gap 2 = if 1 else gap 5 11 */ then dup to gap while
len gap do
array i cells +
dup @ swap
begin gap cells -
array over u<=
while 2dup @ less?
while dup gap... |
Produce a language-to-language conversion: from Java to Forth, same semantics. |
import java.util.*;
import java.io.*;
public class TPKA {
public static void main(String... args) {
double[] input = new double[11];
double userInput = 0.0;
Scanner in = new Scanner(System.in);
for(int i = 0; i < 11; i++) {
System.out.print("Please enter a number: ");
String s = in.nextLine();
try ... | : f fdup fsqrt fswap 3e f** 5e f* f+ ;
4e2 fconstant f-too-big
11 Constant #Elements
: float-array
create
floats allot
does>
swap floats + ;
#Elements float-array vec
: get-it
." Enter " #Elements . ." numbers:" cr
#Elements 0 DO
." > " pad 25 accept cr
pad swap... |
Can you help me rewrite this code in Forth instead of Java, keeping it the same logically? | import java.util.Random;
public class Dice{
private static int roll(int nDice, int nSides){
int sum = 0;
Random rand = new Random();
for(int i = 0; i < nDice; i++){
sum += rand.nextInt(nSides) + 1;
}
return sum;
}
private static int diceGame(int p1Dice, int p1Sides, int p2Dice, int p2Sides, int rolls... | #! /usr/bin/gforth
: min?
@
;
: max?
cell + @
;
: max+1-min?
dup max? 1+ swap min?
;
: addr?
over min? - 2 + cells +
;
: weight?
2dup swap min? < IF
2drop 0
ELSE
2dup swap max? > IF
2drop 0
ELSE
addr? @
THEN
THEN
;
: total-... |
Preserve the algorithm and functionality while converting the code from Java to Forth. | public class RepString {
static final String[] input = {"1001110011", "1110111011", "0010010010",
"1010101010", "1111111111", "0100101101", "0100100", "101", "11",
"00", "1", "0100101"};
public static void main(String[] args) {
for (String s : input)
System.out.printf("%s :... | : rep-string
2dup dup >r r@ 2/ /string
begin 2over 2over string-prefix? 0= over r@ < and while -1 /string repeat
r> swap - >r 2drop r> ;
: test
2dup type ." has "
rep-string ?dup 0= if drop ." no " else type ." as " then
." repeating substring" cr ;
: tests
s" 1001110011" test
s" ... |
Can you help me rewrite this code in Forth instead of Java, keeping it the same logically? | public class OddWord {
interface CharHandler {
CharHandler handle(char c) throws Exception;
}
final CharHandler fwd = new CharHandler() {
public CharHandler handle(char c) {
System.out.print(c);
return (Character.isLetter(c) ? fwd : rev);
}
};
class Reverser extends Thread implements Ch... | : word? dup [char] . <> over bl <> and ;
: ?quit dup [char] . = if emit quit then ;
: eatbl begin dup bl = while drop key repeat ?quit ;
: even begin word? while emit key repeat ;
: odd word? if key recurse swap emit then ;
: main cr key eatbl begin even eatbl space odd eatbl space again ;
|
Change the following Java code into Forth without altering its purpose. | public class EqualRisesFalls {
public static void main(String[] args) {
final int limit1 = 200;
final int limit2 = 10000000;
System.out.printf("The first %d numbers in the sequence are:\n", limit1);
int n = 0;
for (int count = 0; count < limit2; ) {
if (equalRises... | : in-seq?
0 swap
10 /mod
begin dup while
10 /mod
-rot swap
over - sgn
>r rot r> +
-rot swap
repeat
drop drop
0=
;
: next-val
begin 1+ dup in-seq? until
;
: two-hundred
begin over 200 < while
... |
Write the same code in Forth as shown below in Java. | public class App {
private static long mod(long x, long y) {
long m = x % y;
if (m < 0) {
if (y < 0) {
return m - y;
} else {
return m + y;
}
}
return m;
}
public static class RNG {
private ... | 6 array
6 array
0 0 th !
1403580 1 th !
-810728 2 th !
527612 3 th !
0 4 th !
-1370589 5 th !
1 32 lshift 209 - value
1 32 lshift 22853 - value
... |
Preserve the algorithm and functionality while converting the code from Java to Forth. | public class SelfDescribingNumbers{
public static boolean isSelfDescribing(int a){
String s = Integer.toString(a);
for(int i = 0; i < s.length(); i++){
String s0 = s.charAt(i) + "";
int b = Integer.parseInt(s0);
int count = 0;
for(int j = 0; j < s.len... |
: third >r over r> swap ;
: 0 <# #s #> ;
: count
0 2over bounds do
over i c@ = if 1+ then
loop swap 1+ swap ;
: self-descriptive?
[char] 0 third third bounds ?do
count i c@ [char] 0 - <> if drop 2drop false unloop exit then
loop drop 2drop true ;
|
Convert this Java block to Forth, preserving its control flow and logic. | package rosettacode.heredoc;
public class MainApp {
public static void main(String[] args) {
String hereDoc = """
This is a multiline string.
It includes all of this text,
but on separate lines in the code.
""";
System.out.println(hereDoc);
}
}
| quote *
Hi
there
* .
|
Please provide an equivalent version of this Java code in Forth. | package rosettacode.heredoc;
public class MainApp {
public static void main(String[] args) {
String hereDoc = """
This is a multiline string.
It includes all of this text,
but on separate lines in the code.
""";
System.out.println(hereDoc);
}
}
| quote *
Hi
there
* .
|
Convert the following code from Java to Forth, ensuring the logic remains intact. | public class HistoryVariable
{
private Object value;
public HistoryVariable(Object v)
{
value = v;
}
public void update(Object v)
{
value = v;
}
public Object undo()
{
return value;
}
@Override
public String toString()
{
return valu... | : history create here cell+ , 0 , -1 , ;
: h@ @ @ ;
: h! swap here >r , dup @ , r> swap ! ;
: .history @ begin dup cell+ @ -1 <> while dup ? cell+ @ repeat drop ;
: h-- dup @ cell+ @ dup -1 = if abort" End of history" then swap ! ;
|
Translate this program into Forth but keep the logic exactly as in Java. | module MultiplyExample
{
static <Value extends Number> Value multiply(Value n1, Value n2)
{
return n1 * n2;
}
void run()
{
(Int i1, Int i2) = (7, 3);
Int i3 = multiply(i1, i2);
(Double d1, Double d2) = (2.7182818, 3.1415);
Double d3 = multiply... | : fmultiply F* ;
: multiply * ;
|
Port the provided Java code into Forth while preserving the original functionality. | import java.util.Scanner;
public class MatrixArithmetic {
public static double[][] minor(double[][] a, int x, int y){
int length = a.length-1;
double[][] result = new double[length][length];
for(int i=0;i<length;i++) for(int j=0;j<length;j++){
if(i<x && j<y){
result[i][j] = a[i][j];
}else if(i>=x && j... | S" fsl-util.fs" REQUIRED
S" fsl/dynmem.seq" REQUIRED
[UNDEFINED] defines [IF] SYNONYM defines IS [THEN]
S" fsl/structs.seq" REQUIRED
S" fsl/lufact.seq" REQUIRED
S" fsl/dets.seq" REQUIRED
S" permute.fs" REQUIRED
VARIABLE the-mat
: add-perm
DROP
1E
1 DO
the-mat @ SWAP 1- I 1- }} F@ F*
LOOP
DROP
F+ ;... |
Maintain the same structure and functionality when rewriting this code in Forth. | import java.util.Scanner;
public class MatrixArithmetic {
public static double[][] minor(double[][] a, int x, int y){
int length = a.length-1;
double[][] result = new double[length][length];
for(int i=0;i<length;i++) for(int j=0;j<length;j++){
if(i<x && j<y){
result[i][j] = a[i][j];
}else if(i>=x && j... | S" fsl-util.fs" REQUIRED
S" fsl/dynmem.seq" REQUIRED
[UNDEFINED] defines [IF] SYNONYM defines IS [THEN]
S" fsl/structs.seq" REQUIRED
S" fsl/lufact.seq" REQUIRED
S" fsl/dets.seq" REQUIRED
S" permute.fs" REQUIRED
VARIABLE the-mat
: add-perm
DROP
1E
1 DO
the-mat @ SWAP 1- I 1- }} F@ F*
LOOP
DROP
F+ ;... |
Please provide an equivalent version of this Java code in Forth. | import java.math.BigInteger;
import java.util.List;
public class Brazilian {
private static final List<Integer> primeList = List.of(
2, 3, 5, 7, 9, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89,
97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 16... | : prime?
dup 2 < if drop false exit then
dup 2 mod 0= if 2 = exit then
dup 3 mod 0= if 3 = exit then
5
begin
2dup dup * >=
while
2dup mod 0= if 2drop false exit then
2 +
2dup mod 0= if 2drop false exit then
4 +
repeat
2drop true ;
: same_digits?
2dup mod >r
begin
tuck / sw... |
Can you help me rewrite this code in Forth instead of Java, keeping it the same logically? | import java.math.BigInteger;
import java.util.List;
public class Brazilian {
private static final List<Integer> primeList = List.of(
2, 3, 5, 7, 9, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89,
97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 16... | : prime?
dup 2 < if drop false exit then
dup 2 mod 0= if 2 = exit then
dup 3 mod 0= if 3 = exit then
5
begin
2dup dup * >=
while
2dup mod 0= if 2drop false exit then
2 +
2dup mod 0= if 2drop false exit then
4 +
repeat
2drop true ;
: same_digits?
2dup mod >r
begin
tuck / sw... |
Translate the given Java code snippet into Forth without altering its behavior. | import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class RecamanSequence {
public static void main(String[] args) {
List<Integer> a = new ArrayList<>();
a.add(0);
Set<Integer> used = new HashSet<>();
used.add(0);
Set<I... | : array
create cells allot
does> swap cells + ;
100 array sequence
: sequence. cr 0 ?do i sequence @ . loop ;
: ?unused
100 0 ?do
dup i sequence @ = if unloop exit then
loop drop true ;
: sequence-next
dup 0= if 0 0 sequence ! exit then
dup dup 1- sequence @ swap -
dup dup 0> ... |
Produce a functionally identical Forth code for the snippet given in Java. | import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class RecamanSequence {
public static void main(String[] args) {
List<Integer> a = new ArrayList<>();
a.add(0);
Set<Integer> used = new HashSet<>();
used.add(0);
Set<I... | : array
create cells allot
does> swap cells + ;
100 array sequence
: sequence. cr 0 ?do i sequence @ . loop ;
: ?unused
100 0 ?do
dup i sequence @ = if unloop exit then
loop drop true ;
: sequence-next
dup 0= if 0 0 sequence ! exit then
dup dup 1- sequence @ swap -
dup dup 0> ... |
Rewrite the snippet below in Forth so it works the same as the original Java code. | import java.util.function.Function;
public interface YCombinator {
interface RecursiveFunction<F> extends Function<RecursiveFunction<F>, F> { }
public static <A,B> Function<A,B> Y(Function<Function<A,B>, Function<A,B>> f) {
RecursiveFunction<Function<A,B>> r = w -> f.apply(x -> w.apply(w).apply(x));
return... |
variable 'xt
: xt, here 'xt ! 1 cells allot ;
: !xt 'xt @ ! ;
: @xt, 'xt @ postpone literal postpone @ ;
: y, >r :noname @xt, r> compile, postpone ; ;
: y xt, y, dup !xt ;
|
Rewrite the snippet below in Forth so it works the same as the original Java code. | public class DivisorSum {
private static long divisorSum(long n) {
var total = 1L;
var power = 2L;
for (; (n & 1) == 0; power <<= 1, n >>= 1) {
total += power;
}
for (long p = 3; p * p <= n; p += 2) {
long sum = 1;
for (po... | : divisor_sum
1 >r
2
begin
over 2 mod 0=
while
dup r> + >r
2*
swap 2/ swap
repeat
drop
3
begin
2dup dup * >=
while
dup
1 >r
begin
2 pick 2 pick mod 0=
while
dup r> + >r
over * >r
tuck / swap
r>
repeat
2r> * >r
drop
2 +
... |
Maintain the same structure and functionality when rewriting this code in Forth. | public class DivisorSum {
private static long divisorSum(long n) {
var total = 1L;
var power = 2L;
for (; (n & 1) == 0; power <<= 1, n >>= 1) {
total += power;
}
for (long p = 3; p * p <= n; p += 2) {
long sum = 1;
for (po... | : divisor_sum
1 >r
2
begin
over 2 mod 0=
while
dup r> + >r
2*
swap 2/ swap
repeat
drop
3
begin
2dup dup * >=
while
dup
1 >r
begin
2 pick 2 pick mod 0=
while
dup r> + >r
over * >r
tuck / swap
r>
repeat
2r> * >r
drop
2 +
... |
Produce a functionally identical Forth code for the snippet given in Java. | import java.io.*;
import java.text.*;
import java.util.*;
public class SimpleDatabase {
final static String filename = "simdb.csv";
public static void main(String[] args) {
if (args.length < 1 || args.length > 3) {
printUsage();
return;
}
switch (args[0].toLow... |
' noop is bootmessage
wordlist constant USER:
wordlist constant SDB
wordlist constant FIELDS
: -SDB?EXIT
SDB cell+ @ 0= IF rdrop exit THEN ;
: |comp|
char parse evaluate ; immediate
: LIST ]] BEGIN @ dup WHILE >R [[ ; immediate
: LOOP-LIST ]] R> REPEAT drop [[ ; immediate
: UNLIST POSTPONE rdrop ; im... |
Write the same code in Forth as shown below in Java. | public class TauFunction {
private static long divisorCount(long n) {
long total = 1;
for (; (n & 1) == 0; n >>= 1) {
++total;
}
for (long p = 3; p * p <= n; p += 2) {
long count = 1;
for (; n % p == 0; n /= p) {
+... | : divisor_count
1 >r
begin
dup 2 mod 0=
while
r> 1+ >r
2/
repeat
3
begin
2dup dup * >=
while
1 >r
begin
2dup mod 0=
while
r> 1+ >r
tuck / swap
repeat
2r> * >r
2 +
repeat
drop 1 > if r> 2* else r> then ;
: print_divisor_counts
." Count of d... |
Port the provided Java code into Forth while preserving the original functionality. | public class TauFunction {
private static long divisorCount(long n) {
long total = 1;
for (; (n & 1) == 0; n >>= 1) {
++total;
}
for (long p = 3; p * p <= n; p += 2) {
long count = 1;
for (; n % p == 0; n /= p) {
+... | : divisor_count
1 >r
begin
dup 2 mod 0=
while
r> 1+ >r
2/
repeat
3
begin
2dup dup * >=
while
1 >r
begin
2dup mod 0=
while
r> 1+ >r
tuck / swap
repeat
2r> * >r
2 +
repeat
drop 1 > if r> 2* else r> then ;
: print_divisor_counts
." Count of d... |
Convert this Java block to Forth, preserving its control flow and logic. | public class MertensFunction {
public static void main(String[] args) {
System.out.printf("First 199 terms of the merten function are as follows:%n ");
for ( int n = 1 ; n < 200 ; n++ ) {
System.out.printf("%2d ", mertenFunction(n));
if ( (n+1) % 20 == 0 ) {
... | : AMOUNT 1000 ;
variable mertens AMOUNT cells allot
: M 1- cells mertens + ;
: make-mertens
1 1 M !
2 begin dup AMOUNT <= while
1 over M !
2 begin over over >= while
over over / M @
2 pick M @ swap -
2 pick M !
1+ repeat
drop
1+ repeat
drop
;
: print-row
begin dup wh... |
Convert this Java snippet to Forth and keep its semantics consistent. | import java.util.*;
public class ErdosPrimes {
public static void main(String[] args) {
boolean[] sieve = primeSieve(1000000);
int maxPrint = 2500;
int maxCount = 7875;
System.out.printf("Erd\u0151s primes less than %d:\n", maxPrint);
for (int count = 0, prime = 1; count < m... | : prime? here + c@ 0= ;
: notprime! here + 1 swap c! ;
: prime_sieve { n -- }
here n erase
0 notprime!
1 notprime!
n 4 > if
n 4 do i notprime! 2 +loop
then
3
begin
dup dup * n <
while
dup prime? if
n over dup * do
i notprime!
dup 2* +loop
then
2 +
repeat
dr... |
Ensure the translated Forth code behaves exactly like the original Java snippet. | import java.util.*;
public class ErdosPrimes {
public static void main(String[] args) {
boolean[] sieve = primeSieve(1000000);
int maxPrint = 2500;
int maxCount = 7875;
System.out.printf("Erd\u0151s primes less than %d:\n", maxPrint);
for (int count = 0, prime = 1; count < m... | : prime? here + c@ 0= ;
: notprime! here + 1 swap c! ;
: prime_sieve { n -- }
here n erase
0 notprime!
1 notprime!
n 4 > if
n 4 do i notprime! 2 +loop
then
3
begin
dup dup * n <
while
dup prime? if
n over dup * do
i notprime!
dup 2* +loop
then
2 +
repeat
dr... |
Write a version of this Java function in Forth with identical behavior. | public enum Pip { Two, Three, Four, Five, Six, Seven,
Eight, Nine, Ten, Jack, Queen, King, Ace }
| require random.fs
create pips s" A23456789TJQK" mem,
create suits s" DHCS" mem,
: .card
13 /mod swap
pips + c@ emit
suits + c@ emit ;
create deck 52 allot
variable dealt
: new-deck
52 0 do i deck i + c! loop 0 dealt ! ;
: .deck
52 dealt @ ?do deck i + c@ .card space lo... |
Ensure the translated Forth code behaves exactly like the original Java snippet. | import java.util.Arrays;
public class TwoSum {
public static void main(String[] args) {
long sum = 21;
int[] arr = {0, 2, 11, 19, 90};
System.out.println(Arrays.toString(twoSum(arr, sum)));
}
public static int[] twoSum(int[] a, long target) {
int i = 0, j = a.length - 1;
... | CREATE A CELL ALLOT
: A[] CELLS A @ + @ ;
:NONAME 1- ;
:NONAME R> DROP R> DROP TRUE ;
:NONAME SWAP 1+ SWAP ;
CREATE VTABLE , , ,
: CMP - DUP IF DUP ABS / THEN ;
:
>R SWAP A ! 0 SWAP 1-
BEGIN OVER OVER < WHILE
OVER A[] OVER A[] + R@
CMP 1+ CELLS VTABLE + @ EXECUTE
REPEAT
DROP DR... |
Produce a functionally identical Forth code for the snippet given in Java. | import java.util.Arrays;
public class TwoSum {
public static void main(String[] args) {
long sum = 21;
int[] arr = {0, 2, 11, 19, 90};
System.out.println(Arrays.toString(twoSum(arr, sum)));
}
public static int[] twoSum(int[] a, long target) {
int i = 0, j = a.length - 1;
... | CREATE A CELL ALLOT
: A[] CELLS A @ + @ ;
:NONAME 1- ;
:NONAME R> DROP R> DROP TRUE ;
:NONAME SWAP 1+ SWAP ;
CREATE VTABLE , , ,
: CMP - DUP IF DUP ABS / THEN ;
:
>R SWAP A ! 0 SWAP 1-
BEGIN OVER OVER < WHILE
OVER A[] OVER A[] + R@
CMP 1+ CELLS VTABLE + @ EXECUTE
REPEAT
DROP DR... |
Change the programming language of this snippet from Java to Forth without modifying what it does. | public class Tau {
private static long divisorCount(long n) {
long total = 1;
for (; (n & 1) == 0; n >>= 1) {
++total;
}
for (long p = 3; p * p <= n; p += 2) {
long count = 1;
for (; n % p == 0; n /= p) {
++count;
... | : divisor_count
1 >r
begin
dup 2 mod 0=
while
r> 1+ >r
2/
repeat
3
begin
2dup dup * >=
while
1 >r
begin
2dup mod 0=
while
r> 1+ >r
tuck / swap
repeat
2r> * >r
2 +
repeat
drop 1 > if r> 2* else r> then ;
: print_tau_numbers
." The first " d... |
Can you help me rewrite this code in Forth instead of Java, keeping it the same logically? | import java.math.BigInteger;
public class PrimeSum {
private static int digitSum(BigInteger bi) {
int sum = 0;
while (bi.compareTo(BigInteger.ZERO) > 0) {
BigInteger[] dr = bi.divideAndRemainder(BigInteger.TEN);
sum += dr[1].intValue();
bi = dr[0];
}
... | : prime? here + c@ 0= ;
: notprime! here + 1 swap c! ;
: prime_sieve { n -- }
here n erase
0 notprime!
1 notprime!
n 4 > if
n 4 do i notprime! 2 +loop
then
3
begin
dup dup * n <
while
dup prime? if
n over dup * do
i notprime!
dup 2* +loop
then
2 +
repeat
dr... |
Keep all operations the same but rewrite the snippet in Forth. | import java.math.BigInteger;
public class PrimeSum {
private static int digitSum(BigInteger bi) {
int sum = 0;
while (bi.compareTo(BigInteger.ZERO) > 0) {
BigInteger[] dr = bi.divideAndRemainder(BigInteger.TEN);
sum += dr[1].intValue();
bi = dr[0];
}
... | : prime? here + c@ 0= ;
: notprime! here + 1 swap c! ;
: prime_sieve { n -- }
here n erase
0 notprime!
1 notprime!
n 4 > if
n 4 do i notprime! 2 +loop
then
3
begin
dup dup * n <
while
dup prime? if
n over dup * do
i notprime!
dup 2* +loop
then
2 +
repeat
dr... |
Port the provided Java code into Forth while preserving the original functionality. | import java.math.BigInteger;
import java.util.Arrays;
public class CircularPrimes {
public static void main(String[] args) {
System.out.println("First 19 circular primes:");
int p = 2;
for (int count = 0; count < 19; ++p) {
if (isCircularPrime(p)) {
if (count > 0... | create 235-wheel 6 c, 4 c, 2 c, 4 c, 2 c, 4 c, 6 c, 2 c,
does> swap 7 and + c@ ;
0 1 2constant init-235
: next-235 over 235-wheel + swap 1+ swap ;
: sq dup * ;
: wheel-prime?
>r init-235 begin
next-235
dup sq r@ > if rdrop 2drop true exit then
r@ over mod 0= if rdrop 2d... |
Produce a functionally identical Forth code for the snippet given in Java. | public class ScriptedMain {
public static int meaningOfLife() {
return 42;
}
public static void main(String[] args) {
System.out.println("Main: The meaning of life is " + meaningOfLife());
}
}
| 42 constant Douglas-Adams
: go
." The meaning of life is " Douglas-Adams . cr ;
|
Produce a language-to-language conversion: from Java to Forth, same semantics. | public class ScriptedMain {
public static int meaningOfLife() {
return 42;
}
public static void main(String[] args) {
System.out.println("Main: The meaning of life is " + meaningOfLife());
}
}
| 42 constant Douglas-Adams
: go
." The meaning of life is " Douglas-Adams . cr ;
|
Transform the following Java implementation into Forth, maintaining the same output and logic. | public class NicePrimes {
private static boolean isPrime(long n) {
if (n < 2) {
return false;
}
if (n % 2 == 0L) {
return n == 2L;
}
if (n % 3 == 0L) {
return n == 3L;
}
var p = 5L;
while (p * p <= n) {
... | : prime? here + c@ 0= ;
: notprime! here + 1 swap c! ;
: prime_sieve
here over erase
0 notprime!
1 notprime!
2
begin
2dup dup * >
while
dup prime? if
2dup dup * do
i notprime!
dup +loop
then
1+
repeat
2drop ;
: digital_root 1 - 9 mod 1 + ;
: print_nice_primes
... |
Can you help me rewrite this code in Forth instead of Java, keeping it the same logically? | public class NicePrimes {
private static boolean isPrime(long n) {
if (n < 2) {
return false;
}
if (n % 2 == 0L) {
return n == 2L;
}
if (n % 3 == 0L) {
return n == 3L;
}
var p = 5L;
while (p * p <= n) {
... | : prime? here + c@ 0= ;
: notprime! here + 1 swap c! ;
: prime_sieve
here over erase
0 notprime!
1 notprime!
2
begin
2dup dup * >
while
dup prime? if
2dup dup * do
i notprime!
dup +loop
then
1+
repeat
2drop ;
: digital_root 1 - 9 mod 1 + ;
: print_nice_primes
... |
Maintain the same structure and functionality when rewriting this code in Forth. | import java.util.ArrayList;
import java.util.stream.IntStream;
import java.util.stream.LongStream;
public class EstheticNumbers {
interface RecTriConsumer<A, B, C> {
void accept(RecTriConsumer<A, B, C> f, A a, B b, C c);
}
private static boolean isEsthetic(long n, long b) {
if (n == 0) {
... |
: next_esthetic_number { n base -- n }
n 1+ base < if n 1+ exit then
n base / dup base mod
dup n base mod 1+ = if dup 1+ base < if 2drop n 2 + exit then then
drop base recurse
dup base mod
dup 0= if 1+ else 1- then
swap base * + ;
: print_esthetic_numbers { min max per_line -- }
." Esthetic numbers i... |
Maintain the same structure and functionality when rewriting this code in Forth. | package org.rosettacode.java;
import java.util.Arrays;
import java.util.stream.IntStream;
public class HeapsAlgorithm {
public static void main(String[] args) {
Object[] array = IntStream.range(0, 4)
.boxed()
.toArray();
HeapsAlgorithm algorithm = new HeapsAlgorithm();
algorithm.recursive(array);
Sy... | S" fsl-util.fs" REQUIRED
S" fsl/dynmem.seq" REQUIRED
cell darray p{
: sgn
DUP 0 > IF
DROP 1
ELSE 0 < IF
-1
ELSE
0
THEN THEN ;
: arr-swap {: addr1 addr2 | tmp -- :}
addr1 @ TO tmp
addr2 @ addr1 !
tmp addr2 ! ;
: perms {: n xt | my-i k s -- :}
& p{ n 1+ }malloc malloc-fail? ABORT" perms :: o... |
Rewrite the snippet below in Forth so it works the same as the original Java code. | import java.util.List;
import java.util.Random;
import java.util.stream.Stream;
import static java.util.stream.Collectors.toList;
public class Rpg {
private static final Random random = new Random();
public static int genAttribute() {
return random.ints(1, 6 + 1)
.limit(4)
... | require random.fs
: d6 6 random 1 + ;
variable smallest
: genstat
d6 dup smallest !
3 0 do
d6 dup smallest @ < if dup smallest ! then +
loop
smallest @ -
;
variable strong
variable total
: genstats
0 strong !
0 total !
6 0 do
genstat
dup 15 >= if strong @ 1 + strong ! then
... |
Write a version of this Java function in Forth with identical behavior. | public static void main(String... args){
HashMap<String, Integer> vars = new HashMap<String, Integer>();
vars.put("Variable name", 3);
vars.put("Next variable name", 5);
Scanner sc = new Scanner(System.in);
String str = sc.next();
vars.put(str,... | s" VARIABLE " pad swap move
." Variable name: " pad 9 + 80 accept
pad swap 9 + evaluate
|
Ensure the translated Forth code behaves exactly like the original Java snippet. | public static void main(String[] args) {
System.out.println(concat("Rosetta", "Code", ":"));
}
public static String concat(String a, String b, String c) {
return a + c + c + b;
}
Rosetta::Code
| $ gforth
Gforth 0.7.0, Copyright 1995-2008 Free Software Foundation, Inc.
Gforth comes with ABSOLUTELY NO WARRANTY; for details type `license'
Type `bye' to exit
ok
: f compiled
pad place 2swap 2dup compiled
pad +place compiled
pad +place compiled
pad +place compiled
pad count ; ok
ok
... |
Change the programming language of this snippet from Java to Forth without modifying what it does. | import java.io.File;
import java.lang.reflect.Method;
import java.net.URI;
import java.util.Arrays;
import javax.tools.JavaCompiler;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
public class Eval {
private static final String CLASS_NAME = "TempPleaseDeleteMe";
private static class... | : f-"
[char] " parse
2dup 2>r evaluate
swap 2r> evaluate
- . ;
2 3 f-" dup *"
|
Can you help me rewrite this code in Forth instead of Java, keeping it the same logically? | import java.io.File;
import java.lang.reflect.Method;
import java.net.URI;
import java.util.Arrays;
import javax.tools.JavaCompiler;
import javax.tools.SimpleJavaFileObject;
import javax.tools.ToolProvider;
public class Eval {
private static final String CLASS_NAME = "TempPleaseDeleteMe";
private static class... | : f-"
[char] " parse
2dup 2>r evaluate
swap 2r> evaluate
- . ;
2 3 f-" dup *"
|
Translate the given Java code snippet into Forth without altering its behavior. | import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.tools.FileObject;
import javax.tools.Fo... | s" variable foo 1e fatan 4e f*" evaluate
f.
1 foo !
|
Translate the given Java code snippet into Forth without altering its behavior. | import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.tools.FileObject;
import javax.tools.Fo... | s" variable foo 1e fatan 4e f*" evaluate
f.
1 foo !
|
Maintain the same structure and functionality when rewriting this code in Forth. | import javax.swing.*;
import java.awt.*;
class SierpinskyTriangle {
public static void main(String[] args) {
int i = 3;
if(args.length >= 1) {
try {
i = Integer.parseInt(args[0]);
}
catch(NumberFormatException e) {
System.out.println("Usage: 'java SierpinskyTriangle [level]'\nNow setting le... | include lib/graphics.4th
520 pic_width !
520 pic_height !
9 constant order
black 255 whiteout
grayscale_image
: ?pixel over over and if drop drop e... |
Generate a Forth translation of this Java snippet without changing its computational steps. | import javax.swing.*;
import java.awt.*;
class SierpinskyTriangle {
public static void main(String[] args) {
int i = 3;
if(args.length >= 1) {
try {
i = Integer.parseInt(args[0]);
}
catch(NumberFormatException e) {
System.out.println("Usage: 'java SierpinskyTriangle [level]'\nNow setting le... | include lib/graphics.4th
520 pic_width !
520 pic_height !
9 constant order
black 255 whiteout
grayscale_image
: ?pixel over over and if drop drop e... |
Write a version of this Java function in Forth with identical behavior. | import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class AbelianSandpile {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
Frame frame = new Frame();
frame.setVisible(true);
... | #! /usr/bin/gforth -d 20M
0 assert-level !
: parse-number s>number? invert throw drop ;
: parse-size ." size : " next-arg parse-number dup . cr ;
: parse-height ." height: " next-arg parse-number dup . cr ;
: parse-args cr parse-size parse-height ;
parse-args constant HEIGHT constant SIZE
: allot-erase ... |
Change the following Java code into Forth without altering its purpose. | import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class AbelianSandpile {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
Frame frame = new Frame();
frame.setVisible(true);
... | #! /usr/bin/gforth -d 20M
0 assert-level !
: parse-number s>number? invert throw drop ;
: parse-size ." size : " next-arg parse-number dup . cr ;
: parse-height ." height: " next-arg parse-number dup . cr ;
: parse-args cr parse-size parse-height ;
parse-args constant HEIGHT constant SIZE
: allot-erase ... |
Transform the following Java implementation into Forth, maintaining the same output and logic. | import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class Chess960{
private static List<Character> pieces = Arrays.asList('R','B','N','Q','K','N','B','R');
public static List<Character> generateFirstRank(){
do{
Collections.shuffle(pieces);
}while(!check(pieces.toString().repl... |
create krn S" NNRKRNRNKRNRKNRNRKRNRNNKRRNKNRRNKRNRKNNRRKNRNRKRNN" mem,
create pieces 8 allot
: chess960
pieces 8 erase
4 /mod swap 2* 1+ pieces + 'B swap c!
4 /mod swap 2* pieces + 'B swap c!
6 /mod swap pieces swap bounds begin dup c@ if swap 1+ swap then 2dup > while 1+ repeat drop 'Q swap c!
5 ... |
Translate this program into Forth but keep the logic exactly as in Java. | import java.util.PriorityQueue;
import java.util.ArrayList;
import java.util.List;
import java.util.Iterator;
class CubeSum implements Comparable<CubeSum> {
public long x, y, value;
public CubeSum(long x, long y) {
this.x = x;
this.y = y;
this.value = x*x*x + y*y*y;
}
public String toString() {
return St... | variable taxicablist
variable searched-cubessum
73 constant max-constituent
: cube dup dup * * ;
: cubessum cube swap cube + ;
: ?taxicab
2dup cubessum searched-cubessum !
dup 1- rot 1+ do
dup i 1+ do
j i cubessum searched-cubessum @ = if drop j i true unloop unloop exit then
loop
loop... |
Generate a Forth translation of this Java snippet without changing its computational steps. | import java.math.BigInteger;
public class LeftFac{
public static BigInteger factorial(BigInteger n){
BigInteger ans = BigInteger.ONE;
for(BigInteger x = BigInteger.ONE; x.compareTo(n) <= 0; x = x.add(BigInteger.ONE)){
ans = ans.multiply(x);
}
return ans;
}
public static BigInteger leftFact(BigInteger n... | 36000 CONSTANT #DIGITS
CREATE S #DIGITS ALLOT S #DIGITS ERASE VARIABLE S#
CREATE F #DIGITS ALLOT F #DIGITS ERASE VARIABLE F#
1 F C! 1 F# !
: mod/ /mod swap ;
: B+
over + >R -rot over + >R
swap >R 0 over R>
BEGIN over R@ < WHILE
dup >R C@ swap dup >R C@
+ + 10 mod/ R@ C! ... |
Change the programming language of this snippet from Java to Forth without modifying what it does. | import java.math.BigInteger;
public class LeftFac{
public static BigInteger factorial(BigInteger n){
BigInteger ans = BigInteger.ONE;
for(BigInteger x = BigInteger.ONE; x.compareTo(n) <= 0; x = x.add(BigInteger.ONE)){
ans = ans.multiply(x);
}
return ans;
}
public static BigInteger leftFact(BigInteger n... | 36000 CONSTANT #DIGITS
CREATE S #DIGITS ALLOT S #DIGITS ERASE VARIABLE S#
CREATE F #DIGITS ALLOT F #DIGITS ERASE VARIABLE F#
1 F C! 1 F# !
: mod/ /mod swap ;
: B+
over + >R -rot over + >R
swap >R 0 over R>
BEGIN over R@ < WHILE
dup >R C@ swap dup >R C@
+ + 10 mod/ R@ C! ... |
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