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Transform the following Elixir implementation into Java, maintaining the same output and logic.
defmodule Factors do def factors(n), do: factors(n,2,[]) defp factors(1,_,acc), do: acc defp factors(n,k,acc) when rem(n,k)==0, do: factors(div(n,k),k,[k|acc]) defp factors(n,k,acc) , do: factors(n,k+1,acc) def kfactors(n,k), do: kfactors(n,k,1,1,[]) defp kfactors(_tn,tk,_n,k,_acc) when k == tk+1, do: IO.puts "done! " defp kfactors(tn,tk,_n,k,acc) when length(acc) == tn do IO.puts "K: kfactors(tn,tk,2,k+1,[]) end defp kfactors(tn,tk,n,k,acc) do case length(factors(n)) do ^k -> kfactors(tn,tk,n+1,k,acc++[n]) _ -> kfactors(tn,tk,n+1,k,acc) end end end Factors.kfactors(10,5)
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Rewrite this program in VB while keeping its functionality equivalent to the Elixir version.
defmodule Factors do def factors(n), do: factors(n,2,[]) defp factors(1,_,acc), do: acc defp factors(n,k,acc) when rem(n,k)==0, do: factors(div(n,k),k,[k|acc]) defp factors(n,k,acc) , do: factors(n,k+1,acc) def kfactors(n,k), do: kfactors(n,k,1,1,[]) defp kfactors(_tn,tk,_n,k,_acc) when k == tk+1, do: IO.puts "done! " defp kfactors(tn,tk,_n,k,acc) when length(acc) == tn do IO.puts "K: kfactors(tn,tk,2,k+1,[]) end defp kfactors(tn,tk,n,k,acc) do case length(factors(n)) do ^k -> kfactors(tn,tk,n+1,k,acc++[n]) _ -> kfactors(tn,tk,n+1,k,acc) end end end Factors.kfactors(10,5)
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Write the same algorithm in Go as shown in this Elixir implementation.
defmodule Factors do def factors(n), do: factors(n,2,[]) defp factors(1,_,acc), do: acc defp factors(n,k,acc) when rem(n,k)==0, do: factors(div(n,k),k,[k|acc]) defp factors(n,k,acc) , do: factors(n,k+1,acc) def kfactors(n,k), do: kfactors(n,k,1,1,[]) defp kfactors(_tn,tk,_n,k,_acc) when k == tk+1, do: IO.puts "done! " defp kfactors(tn,tk,_n,k,acc) when length(acc) == tn do IO.puts "K: kfactors(tn,tk,2,k+1,[]) end defp kfactors(tn,tk,n,k,acc) do case length(factors(n)) do ^k -> kfactors(tn,tk,n+1,k,acc++[n]) _ -> kfactors(tn,tk,n+1,k,acc) end end end Factors.kfactors(10,5)
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Port the provided Erlang code into C while preserving the original functionality.
-module(factors). -export([factors/1,kfactors/0,kfactors/2]). factors(N) -> factors(N,2,[]). factors(1,_,Acc) -> Acc; factors(N,K,Acc) when N rem K == 0 -> factors(N div K,K, [K|Acc]); factors(N,K,Acc) -> factors(N,K+1,Acc). kfactors() -> kfactors(10,5,1,1,[]). kfactors(N,K) -> kfactors(N,K,1,1,[]). kfactors(_Tn,Tk,_N,K,_Acc) when K == Tk+1 -> io:fwrite("Done! "); kfactors(Tn,Tk,N,K,Acc) when length(Acc) == Tn -> io:format("K: ~w ~w ~n", [K, Acc]), kfactors(Tn,Tk,2,K+1,[]); kfactors(Tn,Tk,N,K,Acc) -> case length(factors(N)) of K -> kfactors(Tn,Tk, N+1,K, Acc ++ [ N ] ); _ -> kfactors(Tn,Tk, N+1,K, Acc) end.
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Write the same code in C# as shown below in Erlang.
-module(factors). -export([factors/1,kfactors/0,kfactors/2]). factors(N) -> factors(N,2,[]). factors(1,_,Acc) -> Acc; factors(N,K,Acc) when N rem K == 0 -> factors(N div K,K, [K|Acc]); factors(N,K,Acc) -> factors(N,K+1,Acc). kfactors() -> kfactors(10,5,1,1,[]). kfactors(N,K) -> kfactors(N,K,1,1,[]). kfactors(_Tn,Tk,_N,K,_Acc) when K == Tk+1 -> io:fwrite("Done! "); kfactors(Tn,Tk,N,K,Acc) when length(Acc) == Tn -> io:format("K: ~w ~w ~n", [K, Acc]), kfactors(Tn,Tk,2,K+1,[]); kfactors(Tn,Tk,N,K,Acc) -> case length(factors(N)) of K -> kfactors(Tn,Tk, N+1,K, Acc ++ [ N ] ); _ -> kfactors(Tn,Tk, N+1,K, Acc) end.
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Preserve the algorithm and functionality while converting the code from Erlang to Java.
-module(factors). -export([factors/1,kfactors/0,kfactors/2]). factors(N) -> factors(N,2,[]). factors(1,_,Acc) -> Acc; factors(N,K,Acc) when N rem K == 0 -> factors(N div K,K, [K|Acc]); factors(N,K,Acc) -> factors(N,K+1,Acc). kfactors() -> kfactors(10,5,1,1,[]). kfactors(N,K) -> kfactors(N,K,1,1,[]). kfactors(_Tn,Tk,_N,K,_Acc) when K == Tk+1 -> io:fwrite("Done! "); kfactors(Tn,Tk,N,K,Acc) when length(Acc) == Tn -> io:format("K: ~w ~w ~n", [K, Acc]), kfactors(Tn,Tk,2,K+1,[]); kfactors(Tn,Tk,N,K,Acc) -> case length(factors(N)) of K -> kfactors(Tn,Tk, N+1,K, Acc ++ [ N ] ); _ -> kfactors(Tn,Tk, N+1,K, Acc) end.
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Translate the given Erlang code snippet into Python without altering its behavior.
-module(factors). -export([factors/1,kfactors/0,kfactors/2]). factors(N) -> factors(N,2,[]). factors(1,_,Acc) -> Acc; factors(N,K,Acc) when N rem K == 0 -> factors(N div K,K, [K|Acc]); factors(N,K,Acc) -> factors(N,K+1,Acc). kfactors() -> kfactors(10,5,1,1,[]). kfactors(N,K) -> kfactors(N,K,1,1,[]). kfactors(_Tn,Tk,_N,K,_Acc) when K == Tk+1 -> io:fwrite("Done! "); kfactors(Tn,Tk,N,K,Acc) when length(Acc) == Tn -> io:format("K: ~w ~w ~n", [K, Acc]), kfactors(Tn,Tk,2,K+1,[]); kfactors(Tn,Tk,N,K,Acc) -> case length(factors(N)) of K -> kfactors(Tn,Tk, N+1,K, Acc ++ [ N ] ); _ -> kfactors(Tn,Tk, N+1,K, Acc) end.
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Change the programming language of this snippet from Erlang to VB without modifying what it does.
-module(factors). -export([factors/1,kfactors/0,kfactors/2]). factors(N) -> factors(N,2,[]). factors(1,_,Acc) -> Acc; factors(N,K,Acc) when N rem K == 0 -> factors(N div K,K, [K|Acc]); factors(N,K,Acc) -> factors(N,K+1,Acc). kfactors() -> kfactors(10,5,1,1,[]). kfactors(N,K) -> kfactors(N,K,1,1,[]). kfactors(_Tn,Tk,_N,K,_Acc) when K == Tk+1 -> io:fwrite("Done! "); kfactors(Tn,Tk,N,K,Acc) when length(Acc) == Tn -> io:format("K: ~w ~w ~n", [K, Acc]), kfactors(Tn,Tk,2,K+1,[]); kfactors(Tn,Tk,N,K,Acc) -> case length(factors(N)) of K -> kfactors(Tn,Tk, N+1,K, Acc ++ [ N ] ); _ -> kfactors(Tn,Tk, N+1,K, Acc) end.
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Produce a language-to-language conversion: from Erlang to Go, same semantics.
-module(factors). -export([factors/1,kfactors/0,kfactors/2]). factors(N) -> factors(N,2,[]). factors(1,_,Acc) -> Acc; factors(N,K,Acc) when N rem K == 0 -> factors(N div K,K, [K|Acc]); factors(N,K,Acc) -> factors(N,K+1,Acc). kfactors() -> kfactors(10,5,1,1,[]). kfactors(N,K) -> kfactors(N,K,1,1,[]). kfactors(_Tn,Tk,_N,K,_Acc) when K == Tk+1 -> io:fwrite("Done! "); kfactors(Tn,Tk,N,K,Acc) when length(Acc) == Tn -> io:format("K: ~w ~w ~n", [K, Acc]), kfactors(Tn,Tk,2,K+1,[]); kfactors(Tn,Tk,N,K,Acc) -> case length(factors(N)) of K -> kfactors(Tn,Tk, N+1,K, Acc ++ [ N ] ); _ -> kfactors(Tn,Tk, N+1,K, Acc) end.
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Rewrite the snippet below in C so it works the same as the original F# code.
let rec genFactor (f, n) = if f > n then None elif n % f = 0 then Some (f, (f, n/f)) else genFactor (f+1, n) let factorsOf (num) = Seq.unfold (fun (f, n) -> genFactor (f, n)) (2, num) let kFactors k = Seq.unfold (fun n -> let rec loop m = if Seq.length (factorsOf m) = k then m else loop (m+1) let next = loop n Some(next, next+1)) 2 [1 .. 5] |> List.iter (fun k -> printfn "%A" (Seq.take 10 (kFactors k) |> Seq.toList))
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Port the following code from F# to C# with equivalent syntax and logic.
let rec genFactor (f, n) = if f > n then None elif n % f = 0 then Some (f, (f, n/f)) else genFactor (f+1, n) let factorsOf (num) = Seq.unfold (fun (f, n) -> genFactor (f, n)) (2, num) let kFactors k = Seq.unfold (fun n -> let rec loop m = if Seq.length (factorsOf m) = k then m else loop (m+1) let next = loop n Some(next, next+1)) 2 [1 .. 5] |> List.iter (fun k -> printfn "%A" (Seq.take 10 (kFactors k) |> Seq.toList))
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Write the same algorithm in C++ as shown in this F# implementation.
let rec genFactor (f, n) = if f > n then None elif n % f = 0 then Some (f, (f, n/f)) else genFactor (f+1, n) let factorsOf (num) = Seq.unfold (fun (f, n) -> genFactor (f, n)) (2, num) let kFactors k = Seq.unfold (fun n -> let rec loop m = if Seq.length (factorsOf m) = k then m else loop (m+1) let next = loop n Some(next, next+1)) 2 [1 .. 5] |> List.iter (fun k -> printfn "%A" (Seq.take 10 (kFactors k) |> Seq.toList))
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Generate an equivalent Java version of this F# code.
let rec genFactor (f, n) = if f > n then None elif n % f = 0 then Some (f, (f, n/f)) else genFactor (f+1, n) let factorsOf (num) = Seq.unfold (fun (f, n) -> genFactor (f, n)) (2, num) let kFactors k = Seq.unfold (fun n -> let rec loop m = if Seq.length (factorsOf m) = k then m else loop (m+1) let next = loop n Some(next, next+1)) 2 [1 .. 5] |> List.iter (fun k -> printfn "%A" (Seq.take 10 (kFactors k) |> Seq.toList))
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Rewrite the snippet below in Python so it works the same as the original F# code.
let rec genFactor (f, n) = if f > n then None elif n % f = 0 then Some (f, (f, n/f)) else genFactor (f+1, n) let factorsOf (num) = Seq.unfold (fun (f, n) -> genFactor (f, n)) (2, num) let kFactors k = Seq.unfold (fun n -> let rec loop m = if Seq.length (factorsOf m) = k then m else loop (m+1) let next = loop n Some(next, next+1)) 2 [1 .. 5] |> List.iter (fun k -> printfn "%A" (Seq.take 10 (kFactors k) |> Seq.toList))
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Convert the following code from F# to VB, ensuring the logic remains intact.
let rec genFactor (f, n) = if f > n then None elif n % f = 0 then Some (f, (f, n/f)) else genFactor (f+1, n) let factorsOf (num) = Seq.unfold (fun (f, n) -> genFactor (f, n)) (2, num) let kFactors k = Seq.unfold (fun n -> let rec loop m = if Seq.length (factorsOf m) = k then m else loop (m+1) let next = loop n Some(next, next+1)) 2 [1 .. 5] |> List.iter (fun k -> printfn "%A" (Seq.take 10 (kFactors k) |> Seq.toList))
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Generate a Go translation of this F# snippet without changing its computational steps.
let rec genFactor (f, n) = if f > n then None elif n % f = 0 then Some (f, (f, n/f)) else genFactor (f+1, n) let factorsOf (num) = Seq.unfold (fun (f, n) -> genFactor (f, n)) (2, num) let kFactors k = Seq.unfold (fun n -> let rec loop m = if Seq.length (factorsOf m) = k then m else loop (m+1) let next = loop n Some(next, next+1)) 2 [1 .. 5] |> List.iter (fun k -> printfn "%A" (Seq.take 10 (kFactors k) |> Seq.toList))
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Write the same code in C as shown below in Factor.
USING: formatting fry kernel lists lists.lazy locals math.combinatorics math.primes.factors math.ranges sequences ; IN: rosetta-code.almost-prime : k-almost-prime? ( n k -- ? ) '[ factors _ <combinations> [ product ] map ] [ [ = ] curry ] bi any? ; :: first10 ( k -- seq ) 10 0 lfrom [ k k-almost-prime? ] lfilter ltake list>array ; 5 [1,b] [ dup first10 "K = %d: %[%3d, %]\n" printf ] each
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Write a version of this Factor function in C# with identical behavior.
USING: formatting fry kernel lists lists.lazy locals math.combinatorics math.primes.factors math.ranges sequences ; IN: rosetta-code.almost-prime : k-almost-prime? ( n k -- ? ) '[ factors _ <combinations> [ product ] map ] [ [ = ] curry ] bi any? ; :: first10 ( k -- seq ) 10 0 lfrom [ k k-almost-prime? ] lfilter ltake list>array ; 5 [1,b] [ dup first10 "K = %d: %[%3d, %]\n" printf ] each
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Rewrite the snippet below in C++ so it works the same as the original Factor code.
USING: formatting fry kernel lists lists.lazy locals math.combinatorics math.primes.factors math.ranges sequences ; IN: rosetta-code.almost-prime : k-almost-prime? ( n k -- ? ) '[ factors _ <combinations> [ product ] map ] [ [ = ] curry ] bi any? ; :: first10 ( k -- seq ) 10 0 lfrom [ k k-almost-prime? ] lfilter ltake list>array ; 5 [1,b] [ dup first10 "K = %d: %[%3d, %]\n" printf ] each
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Change the programming language of this snippet from Factor to Java without modifying what it does.
USING: formatting fry kernel lists lists.lazy locals math.combinatorics math.primes.factors math.ranges sequences ; IN: rosetta-code.almost-prime : k-almost-prime? ( n k -- ? ) '[ factors _ <combinations> [ product ] map ] [ [ = ] curry ] bi any? ; :: first10 ( k -- seq ) 10 0 lfrom [ k k-almost-prime? ] lfilter ltake list>array ; 5 [1,b] [ dup first10 "K = %d: %[%3d, %]\n" printf ] each
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Maintain the same structure and functionality when rewriting this code in Python.
USING: formatting fry kernel lists lists.lazy locals math.combinatorics math.primes.factors math.ranges sequences ; IN: rosetta-code.almost-prime : k-almost-prime? ( n k -- ? ) '[ factors _ <combinations> [ product ] map ] [ [ = ] curry ] bi any? ; :: first10 ( k -- seq ) 10 0 lfrom [ k k-almost-prime? ] lfilter ltake list>array ; 5 [1,b] [ dup first10 "K = %d: %[%3d, %]\n" printf ] each
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Write the same code in VB as shown below in Factor.
USING: formatting fry kernel lists lists.lazy locals math.combinatorics math.primes.factors math.ranges sequences ; IN: rosetta-code.almost-prime : k-almost-prime? ( n k -- ? ) '[ factors _ <combinations> [ product ] map ] [ [ = ] curry ] bi any? ; :: first10 ( k -- seq ) 10 0 lfrom [ k k-almost-prime? ] lfilter ltake list>array ; 5 [1,b] [ dup first10 "K = %d: %[%3d, %]\n" printf ] each
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Write a version of this Factor function in Go with identical behavior.
USING: formatting fry kernel lists lists.lazy locals math.combinatorics math.primes.factors math.ranges sequences ; IN: rosetta-code.almost-prime : k-almost-prime? ( n k -- ? ) '[ factors _ <combinations> [ product ] map ] [ [ = ] curry ] bi any? ; :: first10 ( k -- seq ) 10 0 lfrom [ k k-almost-prime? ] lfilter ltake list>array ; 5 [1,b] [ dup first10 "K = %d: %[%3d, %]\n" printf ] each
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Please provide an equivalent version of this Fortran code in C#.
program almost_prime use iso_fortran_env, only: output_unit implicit none integer :: i, c, k do k = 1, 5 write(output_unit,'(A3,x,I0,x,A1,x)', advance="no") "k =", k, ":" i = 2 c = 0 do if (c >= 10) exit if (kprime(i, k)) then write(output_unit,'(I0,x)', advance="no") i c = c + 1 end if i = i + 1 end do write(output_unit,*) end do contains pure function kprime(n, k) integer, intent(in) :: n, k logical :: kprime integer :: p, f, i kprime = .false. f = 0 i = n do p = 2, n do if (modulo(i, p) /= 0) exit if (f == k) return f = f + 1 i = i / p end do end do kprime = f==k end function kprime end program almost_prime
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Transform the following Fortran implementation into C++, maintaining the same output and logic.
program almost_prime use iso_fortran_env, only: output_unit implicit none integer :: i, c, k do k = 1, 5 write(output_unit,'(A3,x,I0,x,A1,x)', advance="no") "k =", k, ":" i = 2 c = 0 do if (c >= 10) exit if (kprime(i, k)) then write(output_unit,'(I0,x)', advance="no") i c = c + 1 end if i = i + 1 end do write(output_unit,*) end do contains pure function kprime(n, k) integer, intent(in) :: n, k logical :: kprime integer :: p, f, i kprime = .false. f = 0 i = n do p = 2, n do if (modulo(i, p) /= 0) exit if (f == k) return f = f + 1 i = i / p end do end do kprime = f==k end function kprime end program almost_prime
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Ensure the translated C code behaves exactly like the original Fortran snippet.
program almost_prime use iso_fortran_env, only: output_unit implicit none integer :: i, c, k do k = 1, 5 write(output_unit,'(A3,x,I0,x,A1,x)', advance="no") "k =", k, ":" i = 2 c = 0 do if (c >= 10) exit if (kprime(i, k)) then write(output_unit,'(I0,x)', advance="no") i c = c + 1 end if i = i + 1 end do write(output_unit,*) end do contains pure function kprime(n, k) integer, intent(in) :: n, k logical :: kprime integer :: p, f, i kprime = .false. f = 0 i = n do p = 2, n do if (modulo(i, p) /= 0) exit if (f == k) return f = f + 1 i = i / p end do end do kprime = f==k end function kprime end program almost_prime
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Translate the given Fortran code snippet into Go without altering its behavior.
program almost_prime use iso_fortran_env, only: output_unit implicit none integer :: i, c, k do k = 1, 5 write(output_unit,'(A3,x,I0,x,A1,x)', advance="no") "k =", k, ":" i = 2 c = 0 do if (c >= 10) exit if (kprime(i, k)) then write(output_unit,'(I0,x)', advance="no") i c = c + 1 end if i = i + 1 end do write(output_unit,*) end do contains pure function kprime(n, k) integer, intent(in) :: n, k logical :: kprime integer :: p, f, i kprime = .false. f = 0 i = n do p = 2, n do if (modulo(i, p) /= 0) exit if (f == k) return f = f + 1 i = i / p end do end do kprime = f==k end function kprime end program almost_prime
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Change the programming language of this snippet from Fortran to Java without modifying what it does.
program almost_prime use iso_fortran_env, only: output_unit implicit none integer :: i, c, k do k = 1, 5 write(output_unit,'(A3,x,I0,x,A1,x)', advance="no") "k =", k, ":" i = 2 c = 0 do if (c >= 10) exit if (kprime(i, k)) then write(output_unit,'(I0,x)', advance="no") i c = c + 1 end if i = i + 1 end do write(output_unit,*) end do contains pure function kprime(n, k) integer, intent(in) :: n, k logical :: kprime integer :: p, f, i kprime = .false. f = 0 i = n do p = 2, n do if (modulo(i, p) /= 0) exit if (f == k) return f = f + 1 i = i / p end do end do kprime = f==k end function kprime end program almost_prime
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Produce a language-to-language conversion: from Fortran to Python, same semantics.
program almost_prime use iso_fortran_env, only: output_unit implicit none integer :: i, c, k do k = 1, 5 write(output_unit,'(A3,x,I0,x,A1,x)', advance="no") "k =", k, ":" i = 2 c = 0 do if (c >= 10) exit if (kprime(i, k)) then write(output_unit,'(I0,x)', advance="no") i c = c + 1 end if i = i + 1 end do write(output_unit,*) end do contains pure function kprime(n, k) integer, intent(in) :: n, k logical :: kprime integer :: p, f, i kprime = .false. f = 0 i = n do p = 2, n do if (modulo(i, p) /= 0) exit if (f == k) return f = f + 1 i = i / p end do end do kprime = f==k end function kprime end program almost_prime
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Convert the following code from Fortran to VB, ensuring the logic remains intact.
program almost_prime use iso_fortran_env, only: output_unit implicit none integer :: i, c, k do k = 1, 5 write(output_unit,'(A3,x,I0,x,A1,x)', advance="no") "k =", k, ":" i = 2 c = 0 do if (c >= 10) exit if (kprime(i, k)) then write(output_unit,'(I0,x)', advance="no") i c = c + 1 end if i = i + 1 end do write(output_unit,*) end do contains pure function kprime(n, k) integer, intent(in) :: n, k logical :: kprime integer :: p, f, i kprime = .false. f = 0 i = n do p = 2, n do if (modulo(i, p) /= 0) exit if (f == k) return f = f + 1 i = i / p end do end do kprime = f==k end function kprime end program almost_prime
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Write a version of this Fortran function in PHP with identical behavior.
program almost_prime use iso_fortran_env, only: output_unit implicit none integer :: i, c, k do k = 1, 5 write(output_unit,'(A3,x,I0,x,A1,x)', advance="no") "k =", k, ":" i = 2 c = 0 do if (c >= 10) exit if (kprime(i, k)) then write(output_unit,'(I0,x)', advance="no") i c = c + 1 end if i = i + 1 end do write(output_unit,*) end do contains pure function kprime(n, k) integer, intent(in) :: n, k logical :: kprime integer :: p, f, i kprime = .false. f = 0 i = n do p = 2, n do if (modulo(i, p) /= 0) exit if (f == k) return f = f + 1 i = i / p end do end do kprime = f==k end function kprime end program almost_prime
<?php function isKPrime($n, $k) { $f = 0; for ($j = 2; $j <= $n; $j++) { while ($n % $j == 0) { if ($f == $k) return false; $f++; $n = floor($n / $j); } // while } // for $j return ($f == $k); } for ($k = 1; $k <= 5; $k++) { echo "k = ", $k, ":"; $i = 2; $c = 0; while ($c < 10) { if (isKPrime($i, $k)) { echo " ", str_pad($i, 3, ' ', STR_PAD_LEFT); $c++; } $i++; } echo PHP_EOL; } ?>
Produce a language-to-language conversion: from Groovy to C, same semantics.
public class almostprime { public static boolean kprime(int n,int k) { int i,div=0; for(i=2;(i*i <= n) && (div<k);i++) { while(n%i==0) { n = n/i; div++; } } return div + ((n > 1)?1:0) == k; } public static void main(String[] args) { int i,l,k; for(k=1;k<=5;k++) { println("k = " + k + ":"); l = 0; for(i=2;l<10;i++) { if(kprime(i,k)) { print(i + " "); l++; } } println(); } } }​
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Ensure the translated C# code behaves exactly like the original Groovy snippet.
public class almostprime { public static boolean kprime(int n,int k) { int i,div=0; for(i=2;(i*i <= n) && (div<k);i++) { while(n%i==0) { n = n/i; div++; } } return div + ((n > 1)?1:0) == k; } public static void main(String[] args) { int i,l,k; for(k=1;k<=5;k++) { println("k = " + k + ":"); l = 0; for(i=2;l<10;i++) { if(kprime(i,k)) { print(i + " "); l++; } } println(); } } }​
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Convert this Groovy block to C++, preserving its control flow and logic.
public class almostprime { public static boolean kprime(int n,int k) { int i,div=0; for(i=2;(i*i <= n) && (div<k);i++) { while(n%i==0) { n = n/i; div++; } } return div + ((n > 1)?1:0) == k; } public static void main(String[] args) { int i,l,k; for(k=1;k<=5;k++) { println("k = " + k + ":"); l = 0; for(i=2;l<10;i++) { if(kprime(i,k)) { print(i + " "); l++; } } println(); } } }​
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Produce a language-to-language conversion: from Groovy to Java, same semantics.
public class almostprime { public static boolean kprime(int n,int k) { int i,div=0; for(i=2;(i*i <= n) && (div<k);i++) { while(n%i==0) { n = n/i; div++; } } return div + ((n > 1)?1:0) == k; } public static void main(String[] args) { int i,l,k; for(k=1;k<=5;k++) { println("k = " + k + ":"); l = 0; for(i=2;l<10;i++) { if(kprime(i,k)) { print(i + " "); l++; } } println(); } } }​
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Preserve the algorithm and functionality while converting the code from Groovy to Python.
public class almostprime { public static boolean kprime(int n,int k) { int i,div=0; for(i=2;(i*i <= n) && (div<k);i++) { while(n%i==0) { n = n/i; div++; } } return div + ((n > 1)?1:0) == k; } public static void main(String[] args) { int i,l,k; for(k=1;k<=5;k++) { println("k = " + k + ":"); l = 0; for(i=2;l<10;i++) { if(kprime(i,k)) { print(i + " "); l++; } } println(); } } }​
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Translate the given Groovy code snippet into VB without altering its behavior.
public class almostprime { public static boolean kprime(int n,int k) { int i,div=0; for(i=2;(i*i <= n) && (div<k);i++) { while(n%i==0) { n = n/i; div++; } } return div + ((n > 1)?1:0) == k; } public static void main(String[] args) { int i,l,k; for(k=1;k<=5;k++) { println("k = " + k + ":"); l = 0; for(i=2;l<10;i++) { if(kprime(i,k)) { print(i + " "); l++; } } println(); } } }​
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Translate this program into Go but keep the logic exactly as in Groovy.
public class almostprime { public static boolean kprime(int n,int k) { int i,div=0; for(i=2;(i*i <= n) && (div<k);i++) { while(n%i==0) { n = n/i; div++; } } return div + ((n > 1)?1:0) == k; } public static void main(String[] args) { int i,l,k; for(k=1;k<=5;k++) { println("k = " + k + ":"); l = 0; for(i=2;l<10;i++) { if(kprime(i,k)) { print(i + " "); l++; } } println(); } } }​
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Keep all operations the same but rewrite the snippet in C.
isPrime :: Integral a => a -> Bool isPrime n = not $ any ((0 ==) . (mod n)) [2..(truncate $ sqrt $ fromIntegral n)] primes :: [Integer] primes = filter isPrime [2..] isKPrime :: (Num a, Eq a) => a -> Integer -> Bool isKPrime 1 n = isPrime n isKPrime k n = any (isKPrime (k - 1)) sprimes where sprimes = map fst $ filter ((0 ==) . snd) $ map (divMod n) $ takeWhile (< n) primes kPrimes :: (Num a, Eq a) => a -> [Integer] kPrimes k = filter (isKPrime k) [2..] main :: IO () main = flip mapM_ [1..5] $ \k -> putStrLn $ "k = " ++ show k ++ ": " ++ (unwords $ map show (take 10 $ kPrimes k))
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Keep all operations the same but rewrite the snippet in C#.
isPrime :: Integral a => a -> Bool isPrime n = not $ any ((0 ==) . (mod n)) [2..(truncate $ sqrt $ fromIntegral n)] primes :: [Integer] primes = filter isPrime [2..] isKPrime :: (Num a, Eq a) => a -> Integer -> Bool isKPrime 1 n = isPrime n isKPrime k n = any (isKPrime (k - 1)) sprimes where sprimes = map fst $ filter ((0 ==) . snd) $ map (divMod n) $ takeWhile (< n) primes kPrimes :: (Num a, Eq a) => a -> [Integer] kPrimes k = filter (isKPrime k) [2..] main :: IO () main = flip mapM_ [1..5] $ \k -> putStrLn $ "k = " ++ show k ++ ": " ++ (unwords $ map show (take 10 $ kPrimes k))
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Convert this Haskell snippet to C++ and keep its semantics consistent.
isPrime :: Integral a => a -> Bool isPrime n = not $ any ((0 ==) . (mod n)) [2..(truncate $ sqrt $ fromIntegral n)] primes :: [Integer] primes = filter isPrime [2..] isKPrime :: (Num a, Eq a) => a -> Integer -> Bool isKPrime 1 n = isPrime n isKPrime k n = any (isKPrime (k - 1)) sprimes where sprimes = map fst $ filter ((0 ==) . snd) $ map (divMod n) $ takeWhile (< n) primes kPrimes :: (Num a, Eq a) => a -> [Integer] kPrimes k = filter (isKPrime k) [2..] main :: IO () main = flip mapM_ [1..5] $ \k -> putStrLn $ "k = " ++ show k ++ ": " ++ (unwords $ map show (take 10 $ kPrimes k))
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Rewrite the snippet below in Java so it works the same as the original Haskell code.
isPrime :: Integral a => a -> Bool isPrime n = not $ any ((0 ==) . (mod n)) [2..(truncate $ sqrt $ fromIntegral n)] primes :: [Integer] primes = filter isPrime [2..] isKPrime :: (Num a, Eq a) => a -> Integer -> Bool isKPrime 1 n = isPrime n isKPrime k n = any (isKPrime (k - 1)) sprimes where sprimes = map fst $ filter ((0 ==) . snd) $ map (divMod n) $ takeWhile (< n) primes kPrimes :: (Num a, Eq a) => a -> [Integer] kPrimes k = filter (isKPrime k) [2..] main :: IO () main = flip mapM_ [1..5] $ \k -> putStrLn $ "k = " ++ show k ++ ": " ++ (unwords $ map show (take 10 $ kPrimes k))
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Produce a language-to-language conversion: from Haskell to Python, same semantics.
isPrime :: Integral a => a -> Bool isPrime n = not $ any ((0 ==) . (mod n)) [2..(truncate $ sqrt $ fromIntegral n)] primes :: [Integer] primes = filter isPrime [2..] isKPrime :: (Num a, Eq a) => a -> Integer -> Bool isKPrime 1 n = isPrime n isKPrime k n = any (isKPrime (k - 1)) sprimes where sprimes = map fst $ filter ((0 ==) . snd) $ map (divMod n) $ takeWhile (< n) primes kPrimes :: (Num a, Eq a) => a -> [Integer] kPrimes k = filter (isKPrime k) [2..] main :: IO () main = flip mapM_ [1..5] $ \k -> putStrLn $ "k = " ++ show k ++ ": " ++ (unwords $ map show (take 10 $ kPrimes k))
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Can you help me rewrite this code in VB instead of Haskell, keeping it the same logically?
isPrime :: Integral a => a -> Bool isPrime n = not $ any ((0 ==) . (mod n)) [2..(truncate $ sqrt $ fromIntegral n)] primes :: [Integer] primes = filter isPrime [2..] isKPrime :: (Num a, Eq a) => a -> Integer -> Bool isKPrime 1 n = isPrime n isKPrime k n = any (isKPrime (k - 1)) sprimes where sprimes = map fst $ filter ((0 ==) . snd) $ map (divMod n) $ takeWhile (< n) primes kPrimes :: (Num a, Eq a) => a -> [Integer] kPrimes k = filter (isKPrime k) [2..] main :: IO () main = flip mapM_ [1..5] $ \k -> putStrLn $ "k = " ++ show k ++ ": " ++ (unwords $ map show (take 10 $ kPrimes k))
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Generate an equivalent Go version of this Haskell code.
isPrime :: Integral a => a -> Bool isPrime n = not $ any ((0 ==) . (mod n)) [2..(truncate $ sqrt $ fromIntegral n)] primes :: [Integer] primes = filter isPrime [2..] isKPrime :: (Num a, Eq a) => a -> Integer -> Bool isKPrime 1 n = isPrime n isKPrime k n = any (isKPrime (k - 1)) sprimes where sprimes = map fst $ filter ((0 ==) . snd) $ map (divMod n) $ takeWhile (< n) primes kPrimes :: (Num a, Eq a) => a -> [Integer] kPrimes k = filter (isKPrime k) [2..] main :: IO () main = flip mapM_ [1..5] $ \k -> putStrLn $ "k = " ++ show k ++ ": " ++ (unwords $ map show (take 10 $ kPrimes k))
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Port the following code from J to C with equivalent syntax and logic.
(10 {. [:~.[:/:~[:,*/~)^:(i.5)~p:i.10 2 3 5 7 11 13 17 19 23 29 4 6 9 10 14 15 21 22 25 26 8 12 18 20 27 28 30 42 44 45 16 24 36 40 54 56 60 81 84 88 32 48 72 80 108 112 120 162 168 176
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Change the following J code into C# without altering its purpose.
(10 {. [:~.[:/:~[:,*/~)^:(i.5)~p:i.10 2 3 5 7 11 13 17 19 23 29 4 6 9 10 14 15 21 22 25 26 8 12 18 20 27 28 30 42 44 45 16 24 36 40 54 56 60 81 84 88 32 48 72 80 108 112 120 162 168 176
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Ensure the translated C++ code behaves exactly like the original J snippet.
(10 {. [:~.[:/:~[:,*/~)^:(i.5)~p:i.10 2 3 5 7 11 13 17 19 23 29 4 6 9 10 14 15 21 22 25 26 8 12 18 20 27 28 30 42 44 45 16 24 36 40 54 56 60 81 84 88 32 48 72 80 108 112 120 162 168 176
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Convert the following code from J to Java, ensuring the logic remains intact.
(10 {. [:~.[:/:~[:,*/~)^:(i.5)~p:i.10 2 3 5 7 11 13 17 19 23 29 4 6 9 10 14 15 21 22 25 26 8 12 18 20 27 28 30 42 44 45 16 24 36 40 54 56 60 81 84 88 32 48 72 80 108 112 120 162 168 176
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Please provide an equivalent version of this J code in Python.
(10 {. [:~.[:/:~[:,*/~)^:(i.5)~p:i.10 2 3 5 7 11 13 17 19 23 29 4 6 9 10 14 15 21 22 25 26 8 12 18 20 27 28 30 42 44 45 16 24 36 40 54 56 60 81 84 88 32 48 72 80 108 112 120 162 168 176
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Please provide an equivalent version of this J code in VB.
(10 {. [:~.[:/:~[:,*/~)^:(i.5)~p:i.10 2 3 5 7 11 13 17 19 23 29 4 6 9 10 14 15 21 22 25 26 8 12 18 20 27 28 30 42 44 45 16 24 36 40 54 56 60 81 84 88 32 48 72 80 108 112 120 162 168 176
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Translate the given J code snippet into Go without altering its behavior.
(10 {. [:~.[:/:~[:,*/~)^:(i.5)~p:i.10 2 3 5 7 11 13 17 19 23 29 4 6 9 10 14 15 21 22 25 26 8 12 18 20 27 28 30 42 44 45 16 24 36 40 54 56 60 81 84 88 32 48 72 80 108 112 120 162 168 176
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Produce a language-to-language conversion: from Julia to C, same semantics.
using Primes isalmostprime(n::Integer, k::Integer) = sum(values(factor(n))) == k function almostprimes(N::Integer, k::Integer) P = Vector{typeof(k)}(undef,N) i = 0; n = 2 while i < N if isalmostprime(n, k) P[i += 1] = n end n += 1 end return P end for k in 1:5 println("$k-Almost-primes: ", join(almostprimes(10, k), ", "), "...") end
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Translate this program into C# but keep the logic exactly as in Julia.
using Primes isalmostprime(n::Integer, k::Integer) = sum(values(factor(n))) == k function almostprimes(N::Integer, k::Integer) P = Vector{typeof(k)}(undef,N) i = 0; n = 2 while i < N if isalmostprime(n, k) P[i += 1] = n end n += 1 end return P end for k in 1:5 println("$k-Almost-primes: ", join(almostprimes(10, k), ", "), "...") end
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Generate a C++ translation of this Julia snippet without changing its computational steps.
using Primes isalmostprime(n::Integer, k::Integer) = sum(values(factor(n))) == k function almostprimes(N::Integer, k::Integer) P = Vector{typeof(k)}(undef,N) i = 0; n = 2 while i < N if isalmostprime(n, k) P[i += 1] = n end n += 1 end return P end for k in 1:5 println("$k-Almost-primes: ", join(almostprimes(10, k), ", "), "...") end
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Write the same algorithm in Java as shown in this Julia implementation.
using Primes isalmostprime(n::Integer, k::Integer) = sum(values(factor(n))) == k function almostprimes(N::Integer, k::Integer) P = Vector{typeof(k)}(undef,N) i = 0; n = 2 while i < N if isalmostprime(n, k) P[i += 1] = n end n += 1 end return P end for k in 1:5 println("$k-Almost-primes: ", join(almostprimes(10, k), ", "), "...") end
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Convert this Julia snippet to Python and keep its semantics consistent.
using Primes isalmostprime(n::Integer, k::Integer) = sum(values(factor(n))) == k function almostprimes(N::Integer, k::Integer) P = Vector{typeof(k)}(undef,N) i = 0; n = 2 while i < N if isalmostprime(n, k) P[i += 1] = n end n += 1 end return P end for k in 1:5 println("$k-Almost-primes: ", join(almostprimes(10, k), ", "), "...") end
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Please provide an equivalent version of this Julia code in VB.
using Primes isalmostprime(n::Integer, k::Integer) = sum(values(factor(n))) == k function almostprimes(N::Integer, k::Integer) P = Vector{typeof(k)}(undef,N) i = 0; n = 2 while i < N if isalmostprime(n, k) P[i += 1] = n end n += 1 end return P end for k in 1:5 println("$k-Almost-primes: ", join(almostprimes(10, k), ", "), "...") end
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Rewrite the snippet below in Go so it works the same as the original Julia code.
using Primes isalmostprime(n::Integer, k::Integer) = sum(values(factor(n))) == k function almostprimes(N::Integer, k::Integer) P = Vector{typeof(k)}(undef,N) i = 0; n = 2 while i < N if isalmostprime(n, k) P[i += 1] = n end n += 1 end return P end for k in 1:5 println("$k-Almost-primes: ", join(almostprimes(10, k), ", "), "...") end
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Produce a functionally identical C code for the snippet given in Lua.
function almostPrime (n, k) local divisor, count = 2, 0 while count < k + 1 and n ~= 1 do if n % divisor == 0 then n = n / divisor count = count + 1 else divisor = divisor + 1 end end return count == k end function kList (k) local n, kTab = 2^k, {} while #kTab < 10 do if almostPrime(n, k) then table.insert(kTab, n) end n = n + 1 end return kTab end for k = 1, 5 do io.write("k=" .. k .. ": ") for _, v in pairs(kList(k)) do io.write(v .. ", ") end print("...") end
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Translate this program into C# but keep the logic exactly as in Lua.
function almostPrime (n, k) local divisor, count = 2, 0 while count < k + 1 and n ~= 1 do if n % divisor == 0 then n = n / divisor count = count + 1 else divisor = divisor + 1 end end return count == k end function kList (k) local n, kTab = 2^k, {} while #kTab < 10 do if almostPrime(n, k) then table.insert(kTab, n) end n = n + 1 end return kTab end for k = 1, 5 do io.write("k=" .. k .. ": ") for _, v in pairs(kList(k)) do io.write(v .. ", ") end print("...") end
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Keep all operations the same but rewrite the snippet in C++.
function almostPrime (n, k) local divisor, count = 2, 0 while count < k + 1 and n ~= 1 do if n % divisor == 0 then n = n / divisor count = count + 1 else divisor = divisor + 1 end end return count == k end function kList (k) local n, kTab = 2^k, {} while #kTab < 10 do if almostPrime(n, k) then table.insert(kTab, n) end n = n + 1 end return kTab end for k = 1, 5 do io.write("k=" .. k .. ": ") for _, v in pairs(kList(k)) do io.write(v .. ", ") end print("...") end
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Generate a Java translation of this Lua snippet without changing its computational steps.
function almostPrime (n, k) local divisor, count = 2, 0 while count < k + 1 and n ~= 1 do if n % divisor == 0 then n = n / divisor count = count + 1 else divisor = divisor + 1 end end return count == k end function kList (k) local n, kTab = 2^k, {} while #kTab < 10 do if almostPrime(n, k) then table.insert(kTab, n) end n = n + 1 end return kTab end for k = 1, 5 do io.write("k=" .. k .. ": ") for _, v in pairs(kList(k)) do io.write(v .. ", ") end print("...") end
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Rewrite the snippet below in Python so it works the same as the original Lua code.
function almostPrime (n, k) local divisor, count = 2, 0 while count < k + 1 and n ~= 1 do if n % divisor == 0 then n = n / divisor count = count + 1 else divisor = divisor + 1 end end return count == k end function kList (k) local n, kTab = 2^k, {} while #kTab < 10 do if almostPrime(n, k) then table.insert(kTab, n) end n = n + 1 end return kTab end for k = 1, 5 do io.write("k=" .. k .. ": ") for _, v in pairs(kList(k)) do io.write(v .. ", ") end print("...") end
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Write a version of this Lua function in VB with identical behavior.
function almostPrime (n, k) local divisor, count = 2, 0 while count < k + 1 and n ~= 1 do if n % divisor == 0 then n = n / divisor count = count + 1 else divisor = divisor + 1 end end return count == k end function kList (k) local n, kTab = 2^k, {} while #kTab < 10 do if almostPrime(n, k) then table.insert(kTab, n) end n = n + 1 end return kTab end for k = 1, 5 do io.write("k=" .. k .. ": ") for _, v in pairs(kList(k)) do io.write(v .. ", ") end print("...") end
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Rewrite this program in Go while keeping its functionality equivalent to the Lua version.
function almostPrime (n, k) local divisor, count = 2, 0 while count < k + 1 and n ~= 1 do if n % divisor == 0 then n = n / divisor count = count + 1 else divisor = divisor + 1 end end return count == k end function kList (k) local n, kTab = 2^k, {} while #kTab < 10 do if almostPrime(n, k) then table.insert(kTab, n) end n = n + 1 end return kTab end for k = 1, 5 do io.write("k=" .. k .. ": ") for _, v in pairs(kList(k)) do io.write(v .. ", ") end print("...") end
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Transform the following Mathematica implementation into C, maintaining the same output and logic.
kprimes[k_,n_] := Module[{firstnprimes, runningkprimes = {}}, firstnprimes = Prime[Range[n]]; runningkprimes = firstnprimes; Do[ runningkprimes = Outer[Times, firstnprimes , runningkprimes ] // Flatten // Union // Take[#, n] & ; , {i, 1, k - 1}]; runningkprimes ] Table[Flatten[{"k = " <> ToString[i] <> ": ", kprimes[i, 10]}], {i,1,5}] // TableForm
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Produce a functionally identical C# code for the snippet given in Mathematica.
kprimes[k_,n_] := Module[{firstnprimes, runningkprimes = {}}, firstnprimes = Prime[Range[n]]; runningkprimes = firstnprimes; Do[ runningkprimes = Outer[Times, firstnprimes , runningkprimes ] // Flatten // Union // Take[#, n] & ; , {i, 1, k - 1}]; runningkprimes ] Table[Flatten[{"k = " <> ToString[i] <> ": ", kprimes[i, 10]}], {i,1,5}] // TableForm
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Write the same algorithm in C++ as shown in this Mathematica implementation.
kprimes[k_,n_] := Module[{firstnprimes, runningkprimes = {}}, firstnprimes = Prime[Range[n]]; runningkprimes = firstnprimes; Do[ runningkprimes = Outer[Times, firstnprimes , runningkprimes ] // Flatten // Union // Take[#, n] & ; , {i, 1, k - 1}]; runningkprimes ] Table[Flatten[{"k = " <> ToString[i] <> ": ", kprimes[i, 10]}], {i,1,5}] // TableForm
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Change the programming language of this snippet from Mathematica to Java without modifying what it does.
kprimes[k_,n_] := Module[{firstnprimes, runningkprimes = {}}, firstnprimes = Prime[Range[n]]; runningkprimes = firstnprimes; Do[ runningkprimes = Outer[Times, firstnprimes , runningkprimes ] // Flatten // Union // Take[#, n] & ; , {i, 1, k - 1}]; runningkprimes ] Table[Flatten[{"k = " <> ToString[i] <> ": ", kprimes[i, 10]}], {i,1,5}] // TableForm
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Ensure the translated Python code behaves exactly like the original Mathematica snippet.
kprimes[k_,n_] := Module[{firstnprimes, runningkprimes = {}}, firstnprimes = Prime[Range[n]]; runningkprimes = firstnprimes; Do[ runningkprimes = Outer[Times, firstnprimes , runningkprimes ] // Flatten // Union // Take[#, n] & ; , {i, 1, k - 1}]; runningkprimes ] Table[Flatten[{"k = " <> ToString[i] <> ": ", kprimes[i, 10]}], {i,1,5}] // TableForm
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Transform the following Mathematica implementation into VB, maintaining the same output and logic.
kprimes[k_,n_] := Module[{firstnprimes, runningkprimes = {}}, firstnprimes = Prime[Range[n]]; runningkprimes = firstnprimes; Do[ runningkprimes = Outer[Times, firstnprimes , runningkprimes ] // Flatten // Union // Take[#, n] & ; , {i, 1, k - 1}]; runningkprimes ] Table[Flatten[{"k = " <> ToString[i] <> ": ", kprimes[i, 10]}], {i,1,5}] // TableForm
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Port the following code from Mathematica to Go with equivalent syntax and logic.
kprimes[k_,n_] := Module[{firstnprimes, runningkprimes = {}}, firstnprimes = Prime[Range[n]]; runningkprimes = firstnprimes; Do[ runningkprimes = Outer[Times, firstnprimes , runningkprimes ] // Flatten // Union // Take[#, n] & ; , {i, 1, k - 1}]; runningkprimes ] Table[Flatten[{"k = " <> ToString[i] <> ": ", kprimes[i, 10]}], {i,1,5}] // TableForm
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Write the same code in C as shown below in Nim.
proc prime(k: int, listLen: int): seq[int] = result = @[] var test: int = 2 curseur: int = 0 while curseur < listLen: var i: int = 2 compte = 0 n = test while i <= n: if (n mod i)==0: n = n div i compte += 1 else: i += 1 if compte == k: result.add(test) curseur += 1 test += 1 for k in 1..5: echo "k = ",k," : ",prime(k,10)
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Convert this Nim block to C#, preserving its control flow and logic.
proc prime(k: int, listLen: int): seq[int] = result = @[] var test: int = 2 curseur: int = 0 while curseur < listLen: var i: int = 2 compte = 0 n = test while i <= n: if (n mod i)==0: n = n div i compte += 1 else: i += 1 if compte == k: result.add(test) curseur += 1 test += 1 for k in 1..5: echo "k = ",k," : ",prime(k,10)
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Preserve the algorithm and functionality while converting the code from Nim to C++.
proc prime(k: int, listLen: int): seq[int] = result = @[] var test: int = 2 curseur: int = 0 while curseur < listLen: var i: int = 2 compte = 0 n = test while i <= n: if (n mod i)==0: n = n div i compte += 1 else: i += 1 if compte == k: result.add(test) curseur += 1 test += 1 for k in 1..5: echo "k = ",k," : ",prime(k,10)
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Generate a Java translation of this Nim snippet without changing its computational steps.
proc prime(k: int, listLen: int): seq[int] = result = @[] var test: int = 2 curseur: int = 0 while curseur < listLen: var i: int = 2 compte = 0 n = test while i <= n: if (n mod i)==0: n = n div i compte += 1 else: i += 1 if compte == k: result.add(test) curseur += 1 test += 1 for k in 1..5: echo "k = ",k," : ",prime(k,10)
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Please provide an equivalent version of this Nim code in Python.
proc prime(k: int, listLen: int): seq[int] = result = @[] var test: int = 2 curseur: int = 0 while curseur < listLen: var i: int = 2 compte = 0 n = test while i <= n: if (n mod i)==0: n = n div i compte += 1 else: i += 1 if compte == k: result.add(test) curseur += 1 test += 1 for k in 1..5: echo "k = ",k," : ",prime(k,10)
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Keep all operations the same but rewrite the snippet in VB.
proc prime(k: int, listLen: int): seq[int] = result = @[] var test: int = 2 curseur: int = 0 while curseur < listLen: var i: int = 2 compte = 0 n = test while i <= n: if (n mod i)==0: n = n div i compte += 1 else: i += 1 if compte == k: result.add(test) curseur += 1 test += 1 for k in 1..5: echo "k = ",k," : ",prime(k,10)
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Write a version of this Nim function in Go with identical behavior.
proc prime(k: int, listLen: int): seq[int] = result = @[] var test: int = 2 curseur: int = 0 while curseur < listLen: var i: int = 2 compte = 0 n = test while i <= n: if (n mod i)==0: n = n div i compte += 1 else: i += 1 if compte == k: result.add(test) curseur += 1 test += 1 for k in 1..5: echo "k = ",k," : ",prime(k,10)
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Preserve the algorithm and functionality while converting the code from Pascal to C.
program AlmostPrime; uses primtrial; var i,K,cnt : longWord; BEGIN K := 1; repeat cnt := 0; i := 2; write('K=',K:2,':'); repeat if isAlmostPrime(i,K) then Begin write(i:6,' '); inc(cnt); end; inc(i); until cnt = 9; writeln; inc(k); until k > 10; END.
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Rewrite the snippet below in C# so it works the same as the original Pascal code.
program AlmostPrime; uses primtrial; var i,K,cnt : longWord; BEGIN K := 1; repeat cnt := 0; i := 2; write('K=',K:2,':'); repeat if isAlmostPrime(i,K) then Begin write(i:6,' '); inc(cnt); end; inc(i); until cnt = 9; writeln; inc(k); until k > 10; END.
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Please provide an equivalent version of this Pascal code in C++.
program AlmostPrime; uses primtrial; var i,K,cnt : longWord; BEGIN K := 1; repeat cnt := 0; i := 2; write('K=',K:2,':'); repeat if isAlmostPrime(i,K) then Begin write(i:6,' '); inc(cnt); end; inc(i); until cnt = 9; writeln; inc(k); until k > 10; END.
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Convert this Pascal snippet to Java and keep its semantics consistent.
program AlmostPrime; uses primtrial; var i,K,cnt : longWord; BEGIN K := 1; repeat cnt := 0; i := 2; write('K=',K:2,':'); repeat if isAlmostPrime(i,K) then Begin write(i:6,' '); inc(cnt); end; inc(i); until cnt = 9; writeln; inc(k); until k > 10; END.
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Can you help me rewrite this code in Python instead of Pascal, keeping it the same logically?
program AlmostPrime; uses primtrial; var i,K,cnt : longWord; BEGIN K := 1; repeat cnt := 0; i := 2; write('K=',K:2,':'); repeat if isAlmostPrime(i,K) then Begin write(i:6,' '); inc(cnt); end; inc(i); until cnt = 9; writeln; inc(k); until k > 10; END.
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Rewrite this program in VB while keeping its functionality equivalent to the Pascal version.
program AlmostPrime; uses primtrial; var i,K,cnt : longWord; BEGIN K := 1; repeat cnt := 0; i := 2; write('K=',K:2,':'); repeat if isAlmostPrime(i,K) then Begin write(i:6,' '); inc(cnt); end; inc(i); until cnt = 9; writeln; inc(k); until k > 10; END.
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Write the same code in Go as shown below in Pascal.
program AlmostPrime; uses primtrial; var i,K,cnt : longWord; BEGIN K := 1; repeat cnt := 0; i := 2; write('K=',K:2,':'); repeat if isAlmostPrime(i,K) then Begin write(i:6,' '); inc(cnt); end; inc(i); until cnt = 9; writeln; inc(k); until k > 10; END.
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Convert this Perl block to C, preserving its control flow and logic.
use ntheory qw/factor/; sub almost { my($k,$n) = @_; my $i = 1; map { $i++ while scalar factor($i) != $k; $i++ } 1..$n; } say "$_ : ", join(" ", almost($_,10)) for 1..5;
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Generate an equivalent C# version of this Perl code.
use ntheory qw/factor/; sub almost { my($k,$n) = @_; my $i = 1; map { $i++ while scalar factor($i) != $k; $i++ } 1..$n; } say "$_ : ", join(" ", almost($_,10)) for 1..5;
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Change the programming language of this snippet from Perl to C++ without modifying what it does.
use ntheory qw/factor/; sub almost { my($k,$n) = @_; my $i = 1; map { $i++ while scalar factor($i) != $k; $i++ } 1..$n; } say "$_ : ", join(" ", almost($_,10)) for 1..5;
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Port the provided Perl code into Java while preserving the original functionality.
use ntheory qw/factor/; sub almost { my($k,$n) = @_; my $i = 1; map { $i++ while scalar factor($i) != $k; $i++ } 1..$n; } say "$_ : ", join(" ", almost($_,10)) for 1..5;
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Maintain the same structure and functionality when rewriting this code in Python.
use ntheory qw/factor/; sub almost { my($k,$n) = @_; my $i = 1; map { $i++ while scalar factor($i) != $k; $i++ } 1..$n; } say "$_ : ", join(" ", almost($_,10)) for 1..5;
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Produce a language-to-language conversion: from Perl to VB, same semantics.
use ntheory qw/factor/; sub almost { my($k,$n) = @_; my $i = 1; map { $i++ while scalar factor($i) != $k; $i++ } 1..$n; } say "$_ : ", join(" ", almost($_,10)) for 1..5;
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function
Transform the following Perl implementation into Go, maintaining the same output and logic.
use ntheory qw/factor/; sub almost { my($k,$n) = @_; my $i = 1; map { $i++ while scalar factor($i) != $k; $i++ } 1..$n; } say "$_ : ", join(" ", almost($_,10)) for 1..5;
package main import "fmt" func kPrime(n, k int) bool { nf := 0 for i := 2; i <= n; i++ { for n%i == 0 { if nf == k { return false } nf++ n /= i } } return nf == k } func gen(k, n int) []int { r := make([]int, n) n = 2 for i := range r { for !kPrime(n, k) { n++ } r[i] = n n++ } return r } func main() { for k := 1; k <= 5; k++ { fmt.Println(k, gen(k, 10)) } }
Produce a language-to-language conversion: from Racket to C, same semantics.
#lang racket (require (only-in math/number-theory factorize)) (define ((k-almost-prime? k) n) (= k (for/sum ((f (factorize n))) (cadr f)))) (define KAP-table-values (for/list ((k (in-range 1 (add1 5)))) (define kap? (k-almost-prime? k)) (for/list ((j (in-range 10)) (i (sequence-filter kap? (in-naturals 1)))) i))) (define (format-table t) (define longest-number-length (add1 (order-of-magnitude (argmax order-of-magnitude (cons (length t) (apply append t)))))) (define (fmt-val v) (~a v #:width longest-number-length #:align 'right)) (string-join (for/list ((r t) (k (in-naturals 1))) (string-append (format "║ k = ~a║ " (fmt-val k)) (string-join (for/list ((c r)) (fmt-val c)) "| ") "║")) "\n")) (displayln (format-table KAP-table-values))
#include <stdio.h> int kprime(int n, int k) { int p, f = 0; for (p = 2; f < k && p*p <= n; p++) while (0 == n % p) n /= p, f++; return f + (n > 1) == k; } int main(void) { int i, c, k; for (k = 1; k <= 5; k++) { printf("k = %d:", k); for (i = 2, c = 0; c < 10; i++) if (kprime(i, k)) { printf(" %d", i); c++; } putchar('\n'); } return 0; }
Convert this Racket snippet to C# and keep its semantics consistent.
#lang racket (require (only-in math/number-theory factorize)) (define ((k-almost-prime? k) n) (= k (for/sum ((f (factorize n))) (cadr f)))) (define KAP-table-values (for/list ((k (in-range 1 (add1 5)))) (define kap? (k-almost-prime? k)) (for/list ((j (in-range 10)) (i (sequence-filter kap? (in-naturals 1)))) i))) (define (format-table t) (define longest-number-length (add1 (order-of-magnitude (argmax order-of-magnitude (cons (length t) (apply append t)))))) (define (fmt-val v) (~a v #:width longest-number-length #:align 'right)) (string-join (for/list ((r t) (k (in-naturals 1))) (string-append (format "║ k = ~a║ " (fmt-val k)) (string-join (for/list ((c r)) (fmt-val c)) "| ") "║")) "\n")) (displayln (format-table KAP-table-values))
using System; using System.Collections.Generic; using System.Linq; namespace AlmostPrime { class Program { static void Main(string[] args) { foreach (int k in Enumerable.Range(1, 5)) { KPrime kprime = new KPrime() { K = k }; Console.WriteLine("k = {0}: {1}", k, string.Join<int>(" ", kprime.GetFirstN(10))); } } } class KPrime { public int K { get; set; } public bool IsKPrime(int number) { int primes = 0; for (int p = 2; p * p <= number && primes < K; ++p) { while (number % p == 0 && primes < K) { number /= p; ++primes; } } if (number > 1) { ++primes; } return primes == K; } public List<int> GetFirstN(int n) { List<int> result = new List<int>(); for (int number = 2; result.Count < n; ++number) { if (IsKPrime(number)) { result.Add(number); } } return result; } } }
Preserve the algorithm and functionality while converting the code from Racket to C++.
#lang racket (require (only-in math/number-theory factorize)) (define ((k-almost-prime? k) n) (= k (for/sum ((f (factorize n))) (cadr f)))) (define KAP-table-values (for/list ((k (in-range 1 (add1 5)))) (define kap? (k-almost-prime? k)) (for/list ((j (in-range 10)) (i (sequence-filter kap? (in-naturals 1)))) i))) (define (format-table t) (define longest-number-length (add1 (order-of-magnitude (argmax order-of-magnitude (cons (length t) (apply append t)))))) (define (fmt-val v) (~a v #:width longest-number-length #:align 'right)) (string-join (for/list ((r t) (k (in-naturals 1))) (string-append (format "║ k = ~a║ " (fmt-val k)) (string-join (for/list ((c r)) (fmt-val c)) "| ") "║")) "\n")) (displayln (format-table KAP-table-values))
#include <cstdlib> #include <iostream> #include <sstream> #include <iomanip> #include <list> bool k_prime(unsigned n, unsigned k) { unsigned f = 0; for (unsigned p = 2; f < k && p * p <= n; p++) while (0 == n % p) { n /= p; f++; } return f + (n > 1 ? 1 : 0) == k; } std::list<unsigned> primes(unsigned k, unsigned n) { std::list<unsigned> list; for (unsigned i = 2;list.size() < n;i++) if (k_prime(i, k)) list.push_back(i); return list; } int main(const int argc, const char* argv[]) { using namespace std; for (unsigned k = 1; k <= 5; k++) { ostringstream os(""); const list<unsigned> l = primes(k, 10); for (list<unsigned>::const_iterator i = l.begin(); i != l.end(); i++) os << setw(4) << *i; cout << "k = " << k << ':' << os.str() << endl; } return EXIT_SUCCESS; }
Write the same algorithm in Java as shown in this Racket implementation.
#lang racket (require (only-in math/number-theory factorize)) (define ((k-almost-prime? k) n) (= k (for/sum ((f (factorize n))) (cadr f)))) (define KAP-table-values (for/list ((k (in-range 1 (add1 5)))) (define kap? (k-almost-prime? k)) (for/list ((j (in-range 10)) (i (sequence-filter kap? (in-naturals 1)))) i))) (define (format-table t) (define longest-number-length (add1 (order-of-magnitude (argmax order-of-magnitude (cons (length t) (apply append t)))))) (define (fmt-val v) (~a v #:width longest-number-length #:align 'right)) (string-join (for/list ((r t) (k (in-naturals 1))) (string-append (format "║ k = ~a║ " (fmt-val k)) (string-join (for/list ((c r)) (fmt-val c)) "| ") "║")) "\n")) (displayln (format-table KAP-table-values))
public class AlmostPrime { public static void main(String[] args) { for (int k = 1; k <= 5; k++) { System.out.print("k = " + k + ":"); for (int i = 2, c = 0; c < 10; i++) { if (kprime(i, k)) { System.out.print(" " + i); c++; } } System.out.println(""); } } public static boolean kprime(int n, int k) { int f = 0; for (int p = 2; f < k && p * p <= n; p++) { while (n % p == 0) { n /= p; f++; } } return f + ((n > 1) ? 1 : 0) == k; } }
Transform the following Racket implementation into Python, maintaining the same output and logic.
#lang racket (require (only-in math/number-theory factorize)) (define ((k-almost-prime? k) n) (= k (for/sum ((f (factorize n))) (cadr f)))) (define KAP-table-values (for/list ((k (in-range 1 (add1 5)))) (define kap? (k-almost-prime? k)) (for/list ((j (in-range 10)) (i (sequence-filter kap? (in-naturals 1)))) i))) (define (format-table t) (define longest-number-length (add1 (order-of-magnitude (argmax order-of-magnitude (cons (length t) (apply append t)))))) (define (fmt-val v) (~a v #:width longest-number-length #:align 'right)) (string-join (for/list ((r t) (k (in-naturals 1))) (string-append (format "║ k = ~a║ " (fmt-val k)) (string-join (for/list ((c r)) (fmt-val c)) "| ") "║")) "\n")) (displayln (format-table KAP-table-values))
from prime_decomposition import decompose from itertools import islice, count try: from functools import reduce except: pass def almostprime(n, k=2): d = decompose(n) try: terms = [next(d) for i in range(k)] return reduce(int.__mul__, terms, 1) == n except: return False if __name__ == '__main__': for k in range(1,6): print('%i: %r' % (k, list(islice((n for n in count() if almostprime(n, k)), 10))))
Change the following Racket code into VB without altering its purpose.
#lang racket (require (only-in math/number-theory factorize)) (define ((k-almost-prime? k) n) (= k (for/sum ((f (factorize n))) (cadr f)))) (define KAP-table-values (for/list ((k (in-range 1 (add1 5)))) (define kap? (k-almost-prime? k)) (for/list ((j (in-range 10)) (i (sequence-filter kap? (in-naturals 1)))) i))) (define (format-table t) (define longest-number-length (add1 (order-of-magnitude (argmax order-of-magnitude (cons (length t) (apply append t)))))) (define (fmt-val v) (~a v #:width longest-number-length #:align 'right)) (string-join (for/list ((r t) (k (in-naturals 1))) (string-append (format "║ k = ~a║ " (fmt-val k)) (string-join (for/list ((c r)) (fmt-val c)) "| ") "║")) "\n")) (displayln (format-table KAP-table-values))
for k = 1 to 5 print "k = "; k; " :"; i = 2 c = 0 while c < 10 if kPrime(i, k) then print " "; using("###", i); c = c +1 end if i = i +1 wend print next k end function kPrime(n, k) f = 0 for i = 2 to n while n mod i = 0 if f = k then kPrime = 0 f = f +1 n = int(n / i) wend next i kPrime = abs(f = k) end function