Instruction
stringlengths
45
106
input_code
stringlengths
1
13.7k
output_code
stringlengths
1
13.7k
Change the following Java code into C++ without altering its purpose.
package astar; import java.util.List; import java.util.ArrayList; import java.util.Collections; import java.util.PriorityQueue; import java.util.Comparator; import java.util.LinkedList; import java.util.Queue; class AStar { private final List<Node> open; private final List<Node> closed; private final Lis...
#include <list> #include <algorithm> #include <iostream> class point { public: point( int a = 0, int b = 0 ) { x = a; y = b; } bool operator ==( const point& o ) { return o.x == x && o.y == y; } point operator +( const point& o ) { return point( o.x + x, o.y + y ); } int x, y; }; class map { public: ...
Change the programming language of this snippet from Java to C++ without modifying what it does.
package astar; import java.util.List; import java.util.ArrayList; import java.util.Collections; import java.util.PriorityQueue; import java.util.Comparator; import java.util.LinkedList; import java.util.Queue; class AStar { private final List<Node> open; private final List<Node> closed; private final Lis...
#include <list> #include <algorithm> #include <iostream> class point { public: point( int a = 0, int b = 0 ) { x = a; y = b; } bool operator ==( const point& o ) { return o.x == x && o.y == y; } point operator +( const point& o ) { return point( o.x + x, o.y + y ); } int x, y; }; class map { public: ...
Preserve the algorithm and functionality while converting the code from Java to C++.
import java.io.*; import java.util.*; public class Teacup { public static void main(String[] args) { if (args.length != 1) { System.err.println("usage: java Teacup dictionary"); System.exit(1); } try { findTeacupWords(loadDictionary(args[0])); } c...
#include <algorithm> #include <fstream> #include <iostream> #include <set> #include <string> #include <vector> std::set<std::string> load_dictionary(const std::string& filename) { std::ifstream in(filename); if (!in) throw std::runtime_error("Cannot open file " + filename); std::set<std::string> w...
Rewrite the snippet below in C++ so it works the same as the original Java code.
public class NivenNumberGaps { public static void main(String[] args) { long prevGap = 0; long prevN = 1; long index = 0; System.out.println("Gap Gap Index Starting Niven"); for ( long n = 2 ; n < 20_000_000_000l ; n++ ) { if ( isNiven(n) ) { ...
#include <cstdint> #include <iomanip> #include <iostream> uint64_t digit_sum(uint64_t n, uint64_t sum) { ++sum; while (n > 0 && n % 10 == 0) { sum -= 9; n /= 10; } return sum; } inline bool divisible(uint64_t n, uint64_t d) { if ((d & 1) == 0 && (n & 1) == 1) return false...
Please provide an equivalent version of this Java code in C++.
import java.util.Objects; public class PrintDebugStatement { private static void printDebug(String message) { Objects.requireNonNull(message); RuntimeException exception = new RuntimeException(); StackTraceElement[] stackTrace = exception.getStackTrace(); Sta...
#include <iostream> #define DEBUG(msg,...) fprintf(stderr, "[DEBUG %s@%d] " msg "\n", __FILE__, __LINE__, __VA_ARGS__) int main() { DEBUG("Hello world"); DEBUG("Some %d Things", 42); return 0; }
Write the same algorithm in C++ as shown in this Java implementation.
public class RangeExtraction { public static void main(String[] args) { int[] arr = {0, 1, 2, 4, 6, 7, 8, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39}; int len = arr.length; int idx = 0, idx2 = 0...
#include <iostream> #include <iterator> #include <cstddef> template<typename InIter> void extract_ranges(InIter begin, InIter end, std::ostream& os) { if (begin == end) return; int current = *begin++; os << current; int count = 1; while (begin != end) { int next = *begin++; if (next == curre...
Rewrite this program in C++ while keeping its functionality equivalent to the Java version.
public class RangeExtraction { public static void main(String[] args) { int[] arr = {0, 1, 2, 4, 6, 7, 8, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39}; int len = arr.length; int idx = 0, idx2 = 0...
#include <iostream> #include <iterator> #include <cstddef> template<typename InIter> void extract_ranges(InIter begin, InIter end, std::ostream& os) { if (begin == end) return; int current = *begin++; os << current; int count = 1; while (begin != end) { int next = *begin++; if (next == curre...
Keep all operations the same but rewrite the snippet in C++.
public class TypeDetection { private static void showType(Object a) { if (a instanceof Integer) { System.out.printf("'%s' is an integer\n", a); } else if (a instanceof Double) { System.out.printf("'%s' is a double\n", a); } else if (a instanceof Character) { ...
#include <iostream> template <typename T> auto typeString(const T&) { return typeid(T).name(); } class C {}; struct S {}; int main() { std::cout << typeString(1) << '\n'; std::cout << typeString(1L) << '\n'; std::cout << typeString(1.0f) << '\n'; std::cout << typeString(1.0) << '\n'; std::cou...
Transform the following Java implementation into C++, maintaining the same output and logic.
import java.nio.file.*; import static java.util.Arrays.stream; public class MaxPathSum { public static void main(String[] args) throws Exception { int[][] data = Files.lines(Paths.get("triangle.txt")) .map(s -> stream(s.trim().split("\\s+")) .mapToInt(Integer::parse...
#include <iostream> int main( int argc, char* argv[] ) { int triangle[] = { 55, 94, 48, 95, 30, 96, 77, 71, 26, 67, 97, 13, 76, 38, 45, 7, 36, 79, 16, 37, 68, 48, 7, 9, 18, 70, 26, 6, 18, 72, 79, 46, 59, 79, 29, 90, 20, 76, 87, 11, 32, 7, 7, 49, 18, 27, 83, 58, 35, 71, 11, 25, 57, 29, 85, 14, 64, ...
Produce a language-to-language conversion: from Java to C++, same semantics.
import java.awt.Point; import java.util.*; public class ZhangSuen { final static String[] image = { " ", " ################# ############# ", " ################## ################ ", ...
#include <iostream> #include <string> #include <sstream> #include <valarray> const std::string input { "................................" ".#########.......########......." ".###...####.....####..####......" ".###....###.....###....###......" ".###...####.....###............." ".#########......###............." ".###.#...
Change the programming language of this snippet from Java to C++ without modifying what it does.
public class VariableDeclarationReset { public static void main(String[] args) { int[] s = {1, 2, 2, 3, 4, 4, 5}; for (int i = 0; i < s.length; ++i) { int curr = s[i]; int prev = 0; if (i > 0 && curr == prev) System.out.println(i); ...
#include <array> #include <iostream> int main() { constexpr std::array s {1,2,2,3,4,4,5}; if(!s.empty()) { int previousValue = s[0]; for(size_t i = 1; i < s.size(); ++i) { const int currentValue = s[i]; if(i > 0 && previousValue == currentValue) { std::cout << i <<...
Port the following code from Java to C++ with equivalent syntax and logic.
public class EqualRisesFalls { public static void main(String[] args) { final int limit1 = 200; final int limit2 = 10000000; System.out.printf("The first %d numbers in the sequence are:\n", limit1); int n = 0; for (int count = 0; count < limit2; ) { if (equalRises...
#include <iomanip> #include <iostream> bool equal_rises_and_falls(int n) { int total = 0; for (int previous_digit = -1; n > 0; n /= 10) { int digit = n % 10; if (previous_digit > digit) ++total; else if (previous_digit >= 0 && previous_digit < digit) --total; ...
Port the provided Java code into C++ while preserving the original functionality.
int l = 300; void setup() { size(400, 400); background(0, 0, 255); stroke(255); translate(width/2.0, height/2.0); translate(-l/2.0, l*sqrt(3)/6.0); for (int i = 1; i <= 3; i++) { kcurve(0, l); rotate(radians(120)); translate(-l, 0); } } void kcurve(float x1, float x2) { float s = (x2...
#include <fstream> #include <iostream> #include <vector> constexpr double sqrt3_2 = 0.86602540378444; struct point { double x; double y; }; std::vector<point> koch_next(const std::vector<point>& points) { size_t size = points.size(); std::vector<point> output(4*(size - 1) + 1); double x0, y0, x...
Change the following Java code into C++ without altering its purpose.
import java.io.*; import java.util.*; public class NeighbourWords { public static void main(String[] args) { try { int minLength = 9; List<String> words = new ArrayList<>(); try (BufferedReader reader = new BufferedReader(new FileReader("unixdict.txt"))) { ...
#include <algorithm> #include <cstdlib> #include <fstream> #include <iomanip> #include <iostream> #include <string> #include <vector> int main(int argc, char** argv) { const int min_length = 9; const char* filename(argc < 2 ? "unixdict.txt" : argv[1]); std::ifstream in(filename); if (!in) { std...
Translate this program into C++ but keep the logic exactly as in Java.
public class MagicSquareSinglyEven { public static void main(String[] args) { int n = 6; for (int[] row : magicSquareSinglyEven(n)) { for (int x : row) System.out.printf("%2s ", x); System.out.println(); } System.out.printf("\nMagic constant: ...
#include <iostream> #include <sstream> #include <iomanip> using namespace std; class magicSqr { public: magicSqr() { sqr = 0; } ~magicSqr() { if( sqr ) delete [] sqr; } void create( int d ) { if( sqr ) delete [] sqr; if( d & 1 ) d++; while( d % 4 == 0 ) { d += 2; } sz = ...
Generate an equivalent C++ version of this Java code.
import java.util.Arrays; import java.util.Collections; import java.util.List; public class Chess960{ private static List<Character> pieces = Arrays.asList('R','B','N','Q','K','N','B','R'); public static List<Character> generateFirstRank(){ do{ Collections.shuffle(pieces); }while(!check(pieces.toString().repl...
#include <iostream> #include <string> #include <time.h> using namespace std; namespace { void placeRandomly(char* p, char c) { int loc = rand() % 8; if (!p[loc]) p[loc] = c; else placeRandomly(p, c); } int placeFirst(char* p, char c, int loc = 0) { while (p[loc]) ++loc; p[loc] = ...
Write the same code in C++ as shown below in Java.
public class ScriptedMain { public static int meaningOfLife() { return 42; } public static void main(String[] args) { System.out.println("Main: The meaning of life is " + meaningOfLife()); } }
int meaning_of_life();
Please provide an equivalent version of this Java code in C++.
public class ScriptedMain { public static int meaningOfLife() { return 42; } public static void main(String[] args) { System.out.println("Main: The meaning of life is " + meaningOfLife()); } }
int meaning_of_life();
Translate this program into C++ but keep the logic exactly as in Java.
package rosetta; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; public class UnixLS { public static void main(String[] args) throws IOException { Files.list(Path.of("")).sorted().forEach(System.out::println); } }
#include <iostream> #include <set> #include <boost/filesystem.hpp> namespace fs = boost::filesystem; int main(void) { fs::path p(fs::current_path()); std::set<std::string> tree; for (auto it = fs::directory_iterator(p); it != fs::directory_iterator(); ++it) tree.insert(it->path().filename().nativ...
Please provide an equivalent version of this Java code in C++.
public class MagicSquareDoublyEven { public static void main(String[] args) { int n = 8; for (int[] row : magicSquareDoublyEven(n)) { for (int x : row) System.out.printf("%2s ", x); System.out.println(); } System.out.printf("\nMagic constant: ...
#include <iostream> #include <sstream> #include <iomanip> using namespace std; class magicSqr { public: magicSqr( int d ) { while( d % 4 > 0 ) { d++; } sz = d; sqr = new int[sz * sz]; fillSqr(); } ~magicSqr() { delete [] sqr; } void display() const { cout << "D...
Generate an equivalent C++ version of this Java code.
public class XorShiftStar { private static final long MAGIC = Long.parseUnsignedLong("2545F4914F6CDD1D", 16); private long state; public void seed(long num) { state = num; } public int nextInt() { long x; int answer; x = state; x = x ^ (x >>> 12); x...
#include <array> #include <cstdint> #include <iostream> class XorShiftStar { private: const uint64_t MAGIC = 0x2545F4914F6CDD1D; uint64_t state; public: void seed(uint64_t num) { state = num; } uint32_t next_int() { uint64_t x; uint32_t answer; x = state; x...
Port the provided Java code into C++ while preserving the original functionality.
import java.util.HashMap; import java.util.Map; public class FourIsTheNumberOfLetters { public static void main(String[] args) { String [] words = neverEndingSentence(201); System.out.printf("Display the first 201 numbers in the sequence:%n%3d: ", 1); for ( int i = 0 ; i < words.length ; i...
#include <cctype> #include <cstdint> #include <iomanip> #include <iostream> #include <string> #include <vector> struct number_names { const char* cardinal; const char* ordinal; }; const number_names small[] = { { "zero", "zeroth" }, { "one", "first" }, { "two", "second" }, { "three", "third" }, { "fou...
Generate an equivalent C++ version of this Java code.
import java.math.BigInteger; import java.util.ArrayList; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; public class AsciiArtDiagramConverter { private static final String TEST = "+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+\r\n" + "| ID ...
#include <array> #include <bitset> #include <iostream> using namespace std; struct FieldDetails {string_view Name; int NumBits;}; template <const char *T> consteval auto ParseDiagram() { constexpr string_view rawArt(T); constexpr auto firstBar = rawArt.find("|"); constexpr auto lastBar = rawArt....
Rewrite the snippet below in C++ so it works the same as the original Java code.
import java.util.*; class SameFringe { public interface Node<T extends Comparable<? super T>> { Node<T> getLeft(); Node<T> getRight(); boolean isLeaf(); T getData(); } public static class SimpleNode<T extends Comparable<? super T>> implements Node<T> { private final T data; public ...
#include <algorithm> #include <coroutine> #include <iostream> #include <memory> #include <tuple> #include <variant> using namespace std; class BinaryTree { using Node = tuple<BinaryTree, int, BinaryTree>; unique_ptr<Node> m_tree; public: BinaryTree() = default; BinaryTree(BinaryTree&& leftChi...
Preserve the algorithm and functionality while converting the code from Java to C++.
import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class Peaceful { enum Piece { Empty, Black, White, } public static class Position { public int x, y; public Position(int x, int y) { this.x = x; this.y = y; ...
#include <iostream> #include <vector> enum class Piece { empty, black, white }; typedef std::pair<int, int> position; bool isAttacking(const position &queen, const position &pos) { return queen.first == pos.first || queen.second == pos.second || abs(queen.first - pos.first) == abs(que...
Translate the given Java code snippet into C++ without altering its behavior.
import java.util.LinkedList; import java.util.List; public class MTF{ public static List<Integer> encode(String msg, String symTable){ List<Integer> output = new LinkedList<Integer>(); StringBuilder s = new StringBuilder(symTable); for(char c : msg.toCharArray()){ int idx = s.indexOf("" + c); output.add(i...
#include <iostream> #include <iterator> #include <sstream> #include <vector> using namespace std; class MTF { public: string encode( string str ) { fillSymbolTable(); vector<int> output; for( string::iterator it = str.begin(); it != str.end(); it++ ) { for( int i = 0; i < 26; i++ ) { if( *it =...
Can you help me rewrite this code in C++ instead of Java, keeping it the same logically?
import java.math.BigDecimal; import java.util.List; public class TestIntegerness { private static boolean isLong(double d) { return isLong(d, 0.0); } private static boolean isLong(double d, double tolerance) { return (d - Math.floor(d)) <= tolerance || (Math.ceil(d) - d) <= tolerance; ...
#include <complex> #include <math.h> #include <iostream> template<class Type> struct Precision { public: static Type GetEps() { return eps; } static void SetEps(Type e) { eps = e; } private: static Type eps; }; template<class Type> Type Precision<Type>::eps = static_cast<Type>(1E-7); template<class DigT...
Please provide an equivalent version of this Java code in C++.
import java.util.Scanner; import java.io.*; public class Program { public static void main(String[] args) { try { Process p = Runtime.getRuntime().exec("cmd /C dir"); Scanner sc = new Scanner(p.getInputStream()); while (sc.hasNext()) System.out.println(sc.nextLine()); } ...
system("pause");
Generate an equivalent C++ version of this Java code.
import java.util.*; public class LIS { public static <E extends Comparable<? super E>> List<E> lis(List<E> n) { List<Node<E>> pileTops = new ArrayList<Node<E>>(); for (E x : n) { Node<E> node = new Node<E>(); node.value = x; int i = Collections.binarySearch(pileTops, ...
#include <vector> #include <list> #include <algorithm> #include <iostream> template <typename T> struct Node { T value; Node* prev_node; }; template <typename Container> Container lis(const Container& values) { using E = typename Container::value_type; using NodePtr = Node<E>*; using ConstNodePtr ...
Preserve the algorithm and functionality while converting the code from Java to C++.
import java.util.ArrayList; import java.util.Collections; import java.util.List; public class LuckyNumbers { private static int MAX = 200000; private static List<Integer> luckyEven = luckyNumbers(MAX, true); private static List<Integer> luckyOdd = luckyNumbers(MAX, false); public static void main...
#include <algorithm> #include <iostream> #include <iterator> #include <vector> const int luckySize = 60000; std::vector<int> luckyEven(luckySize); std::vector<int> luckyOdd(luckySize); void init() { for (int i = 0; i < luckySize; ++i) { luckyEven[i] = i * 2 + 2; luckyOdd[i] = i * 2 + 1; } } v...
Rewrite the snippet below in C++ so it works the same as the original Java code.
public class BraceExpansion { public static void main(String[] args) { for (String s : new String[]{"It{{em,alic}iz,erat}e{d,}, please.", "~/{Downloads,Pictures}/*.{jpg,gif,png}", "{,{,gotta have{ ,\\, again\\, }}more }cowbell!", "{}} some }{,{\\\\{ edge, edge} \\,}{ cas...
#include <iostream> #include <iterator> #include <string> #include <utility> #include <vector> namespace detail { template <typename ForwardIterator> class tokenizer { ForwardIterator _tbegin, _tend, _end; public: tokenizer(ForwardIterator begin, ForwardIterator end) : _tbegin(begin), _tend(begin), _end(end...
Convert this Java block to C++, preserving its control flow and logic.
import static java.util.stream.IntStream.rangeClosed; public class Test { final static int nMax = 12; static char[] superperm; static int pos; static int[] count = new int[nMax]; static int factSum(int n) { return rangeClosed(1, n) .map(m -> rangeClosed(1, m).reduce(1, (a,...
#include <array> #include <iostream> #include <vector> constexpr int MAX = 12; static std::vector<char> sp; static std::array<int, MAX> count; static int pos = 0; int factSum(int n) { int s = 0; int x = 0; int f = 1; while (x < n) { f *= ++x; s += f; } return s; } bool r(int ...
Ensure the translated C++ code behaves exactly like the original Java snippet.
import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; publi...
#ifndef INTERACTION_H #define INTERACTION_H #include <QWidget> class QPushButton ; class QLineEdit ; class QVBoxLayout ; class MyWidget : public QWidget { Q_OBJECT public : MyWidget( QWidget *parent = 0 ) ; private : QLineEdit *entryField ; QPushButton *increaseButton ; QPushButton *randomButton ; ...
Change the programming language of this snippet from Java to C++ without modifying what it does.
import java.util.Arrays; import java.util.Random; public class OneOfNLines { static Random rand; public static int oneOfN(int n) { int choice = 0; for(int i = 1; i < n; i++) { if(rand.nextInt(i+1) == 0) choice = i; } return choice; } public static void main(String[] args) { int n = 10; ...
#include <random> #include <iostream> #include <iterator> #include <algorithm> using namespace std; mt19937 engine; unsigned int one_of_n(unsigned int n) { unsigned int choice; for(unsigned int i = 0; i < n; ++i) { uniform_int_distribution<unsigned int> distribution(0, i); if(!distribution(engine)) choice =...
Write the same algorithm in C++ as shown in this Java implementation.
import java.util.*; import java.util.concurrent.ConcurrentHashMap; import java.util.stream.IntStream; public class SelfReferentialSequence { static Map<String, Integer> cache = new ConcurrentHashMap<>(10_000); public static void main(String[] args) { Seeds res = IntStream.range(0, 1000_000) ...
#include <iostream> #include <string> #include <map> #include <vector> #include <algorithm> std::map<char, int> _map; std::vector<std::string> _result; size_t longest = 0; void make_sequence( std::string n ) { _map.clear(); for( std::string::iterator i = n.begin(); i != n.end(); i++ ) _map.insert( std...
Rewrite the snippet below in C++ so it works the same as the original Java code.
import java.util.HashMap; import java.util.Map; public class SpellingOfOrdinalNumbers { public static void main(String[] args) { for ( long test : new long[] {1, 2, 3, 4, 5, 11, 65, 100, 101, 272, 23456, 8007006005004003L} ) { System.out.printf("%d = %s%n", test, toOrdinal(test)); ...
#include <iostream> #include <string> #include <cstdint> typedef std::uint64_t integer; struct number_names { const char* cardinal; const char* ordinal; }; const number_names small[] = { { "zero", "zeroth" }, { "one", "first" }, { "two", "second" }, { "three", "third" }, { "four", "fourth" }, { "five...
Convert the following code from Java to C++, ensuring the logic remains intact.
public class SelfDescribingNumbers{ public static boolean isSelfDescribing(int a){ String s = Integer.toString(a); for(int i = 0; i < s.length(); i++){ String s0 = s.charAt(i) + ""; int b = Integer.parseInt(s0); int count = 0; for(int j = 0; j < s.len...
#include <iostream> typedef unsigned long long bigint; using namespace std; class sdn { public: bool check( bigint n ) { int cc = digitsCount( n ); return compare( n, cc ); } void displayAll( bigint s ) { for( bigint y = 1; y < s; y++ ) if( check( y ) ) cout << y << " is a Self-...
Produce a language-to-language conversion: from Java to C++, same semantics.
public class AdditionChains { private static class Pair { int f, s; Pair(int f, int s) { this.f = f; this.s = s; } } private static int[] prepend(int n, int[] seq) { int[] result = new int[seq.length + 1]; result[0] = n; System.arrayc...
#include <iostream> #include <tuple> #include <vector> std::pair<int, int> tryPerm(int, int, const std::vector<int>&, int, int); std::pair<int, int> checkSeq(int pos, const std::vector<int>& seq, int n, int minLen) { if (pos > minLen || seq[0] > n) return { minLen, 0 }; else if (seq[0] == n) return ...
Write the same code in C++ as shown below in Java.
public class NumericSeparatorSyntax { public static void main(String[] args) { runTask("Underscore allowed as seperator", 1_000); runTask("Multiple consecutive underscores allowed:", 1__0_0_0); runTask("Many multiple consecutive underscores allowed:", 1________________________00); r...
#include <iostream> using namespace std; int main() { long long int a = 30'00'000; std::cout <<"And with the ' in C++ 14 : "<< a << endl; return 0; }
Write the same algorithm in C++ as shown in this Java implementation.
import java.util.function.Consumer; import java.util.stream.IntStream; public class Repeat { public static void main(String[] args) { repeat(3, (x) -> System.out.println("Example " + x)); } static void repeat (int n, Consumer<Integer> fun) { IntStream.range(0, n).forEach(i -> fun.accept(i...
template <typename Function> void repeat(Function f, unsigned int n) { for(unsigned int i=n; 0<i; i--) f(); }
Write the same code in C++ as shown below in Java.
public class Sparkline { String bars="▁▂▃▄▅▆▇█"; public static void main(String[] args) { Sparkline now=new Sparkline(); float[] arr={1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 1}; now.display1D(arr); System.out.println(now.getSparkline(arr)); float[] arr1={1.5f, 0.5f, 3.5f, 2.5f, 5.5f, 4.5f, 7.5f, 6.5f}; ...
#include <iostream> #include <sstream> #include <vector> #include <cmath> #include <algorithm> #include <locale> class Sparkline { public: Sparkline(std::wstring &cs) : charset( cs ){ } virtual ~Sparkline(){ } void print(std::string spark){ const char *delim = "...
Port the following code from Java to C++ with equivalent syntax and logic.
System.out.println(BigInteger.valueOf(42).modInverse(BigInteger.valueOf(2017)));
#include <iostream> int mul_inv(int a, int b) { int b0 = b, t, q; int x0 = 0, x1 = 1; if (b == 1) return 1; while (a > 1) { q = a / b; t = b, b = a % b, a = t; t = x0, x0 = x1 - q * x0, x1 = t; } if (x1 < 0) x1 += b0; return x1; } int main(void) { std::cout << mul_inv(42, 2017) << std::endl; return 0...
Write the same code in C++ as shown below in Java.
size(1000,1000); surface.setTitle("Sunflower..."); int iter = 3000; float factor = .5 + sqrt(1.25),r,theta,diskRatio=0.5; float x = width/2.0, y = height/2.0; double maxRad = pow(iter,factor)/iter; int i; background(#add8e6); for(i=0;i<=iter;i++){ r = pow(i,factor)/iter; if(r/maxRad < diskRatio){ strok...
#include <cmath> #include <fstream> #include <iostream> bool sunflower(const char* filename) { std::ofstream out(filename); if (!out) return false; constexpr int size = 600; constexpr int seeds = 5 * size; constexpr double pi = 3.14159265359; constexpr double phi = 1.61803398875; ...
Transform the following Java implementation into C++, maintaining the same output and logic.
import java.util.Arrays; import static java.util.Arrays.stream; import java.util.concurrent.*; public class VogelsApproximationMethod { final static int[] demand = {30, 20, 70, 30, 60}; final static int[] supply = {50, 60, 50, 50}; final static int[][] costs = {{16, 16, 13, 22, 17}, {14, 14, 13, 19, 15}, ...
#include <iostream> #include <numeric> #include <vector> template <typename T> std::ostream &operator<<(std::ostream &os, const std::vector<T> &v) { auto it = v.cbegin(); auto end = v.cend(); os << '['; if (it != end) { os << *it; it = std::next(it); } while (it != end) { ...
Translate this program into C++ but keep the logic exactly as in Java.
package org.rosettacode.java; import java.util.Arrays; import java.util.stream.IntStream; public class HeapsAlgorithm { public static void main(String[] args) { Object[] array = IntStream.range(0, 4) .boxed() .toArray(); HeapsAlgorithm algorithm = new HeapsAlgorithm(); algorithm.recursive(array); Sy...
#include <iostream> #include <vector> using namespace std; vector<int> UpTo(int n, int offset = 0) { vector<int> retval(n); for (int ii = 0; ii < n; ++ii) retval[ii] = ii + offset; return retval; } struct JohnsonTrotterState_ { vector<int> values_; vector<int> positions_; vector<bool> directions_; int sign...
Preserve the algorithm and functionality while converting the code from Java to C++.
import java.util.ArrayList; import java.util.List; public class PythagoreanQuadruples { public static void main(String[] args) { long d = 2200; System.out.printf("Values of d < %d where a, b, and c are non-zero and a^2 + b^2 + c^2 = d^2 has no solutions:%n%s%n", d, getPythagoreanQuadruples(d)); ...
#include <iostream> #include <vector> constexpr int N = 2200; constexpr int N2 = 2 * N * N; int main() { using namespace std; vector<bool> found(N + 1); vector<bool> aabb(N2 + 1); int s = 3; for (int a = 1; a < N; ++a) { int aa = a * a; for (int b = 1; b < N; ++b) { ...
Maintain the same structure and functionality when rewriting this code in C++.
import java.util.Random; public class Dice{ private static int roll(int nDice, int nSides){ int sum = 0; Random rand = new Random(); for(int i = 0; i < nDice; i++){ sum += rand.nextInt(nSides) + 1; } return sum; } private static int diceGame(int p1Dice, int p1Sides, int p2Dice, int p2Sides, int rolls...
#include <cmath> #include <cstdint> #include <iomanip> #include <iostream> #include <map> std::map<uint32_t, uint32_t> get_totals(uint32_t dice, uint32_t faces) { std::map<uint32_t, uint32_t> result; for (uint32_t i = 1; i <= faces; ++i) result.emplace(i, 1); for (uint32_t d = 2; d <= dice; ++d) {...
Can you help me rewrite this code in C++ instead of Java, keeping it the same logically?
import java.util.*; public class Sokoban { String destBoard, currBoard; int playerX, playerY, nCols; Sokoban(String[] board) { nCols = board[0].length(); StringBuilder destBuf = new StringBuilder(); StringBuilder currBuf = new StringBuilder(); for (int r = 0; r < board.len...
#include <iostream> #include <string> #include <vector> #include <queue> #include <regex> #include <tuple> #include <set> #include <array> using namespace std; class Board { public: vector<vector<char>> sData, dData; int px, py; Board(string b) { regex pattern("([^\\n]+)\\n?"); sregex_iterator end, it...
Write the same code in C++ as shown below in Java.
import java.util.*; public class PracticalNumbers { public static void main(String[] args) { final int from = 1; final int to = 333; List<Integer> practical = new ArrayList<>(); for (int i = from; i <= to; ++i) { if (isPractical(i)) practical.add(i); ...
#include <algorithm> #include <iostream> #include <numeric> #include <sstream> #include <vector> template <typename iterator> bool sum_of_any_subset(int n, iterator begin, iterator end) { if (begin == end) return false; if (std::find(begin, end, n) != end) return true; int total = std::acc...
Write the same algorithm in C++ as shown in this Java implementation.
1. 1.0 2432311.7567374 1.234E-10 1.234e-10 758832d 728832f 1.0f 758832D 728832F 1.0F 1 / 2. 1 / 2
#include <iostream> int main() { auto double1 = 2.5; auto float1 = 2.5f; auto longdouble1 = 2.5l; auto double2 = 2.5e-3; auto float2 = 2.5e3f; auto double3 = 0x1p4; auto float3 = 0xbeefp-8f; std::cout << "\ndouble1: " << double1; std::cout << "\nfloat1: " << float1; std::cout <<...
Generate a C++ translation of this Java snippet without changing its computational steps.
import java.util.*; public class ErdosPrimes { public static void main(String[] args) { boolean[] sieve = primeSieve(1000000); int maxPrint = 2500; int maxCount = 7875; System.out.printf("Erd\u0151s primes less than %d:\n", maxPrint); for (int count = 0, prime = 1; count < m...
#include <cstdint> #include <iomanip> #include <iostream> #include <set> #include <primesieve.hpp> class erdos_prime_generator { public: erdos_prime_generator() {} uint64_t next(); private: bool erdos(uint64_t p) const; primesieve::iterator iter_; std::set<uint64_t> primes_; }; uint64_t erdos_prim...
Write the same code in C++ as shown below in Java.
import java.util.*; public class ErdosPrimes { public static void main(String[] args) { boolean[] sieve = primeSieve(1000000); int maxPrint = 2500; int maxCount = 7875; System.out.printf("Erd\u0151s primes less than %d:\n", maxPrint); for (int count = 0, prime = 1; count < m...
#include <cstdint> #include <iomanip> #include <iostream> #include <set> #include <primesieve.hpp> class erdos_prime_generator { public: erdos_prime_generator() {} uint64_t next(); private: bool erdos(uint64_t p) const; primesieve::iterator iter_; std::set<uint64_t> primes_; }; uint64_t erdos_prim...
Convert this Java snippet to C++ and keep its semantics consistent.
import java.util.*; public class ErdosPrimes { public static void main(String[] args) { boolean[] sieve = primeSieve(1000000); int maxPrint = 2500; int maxCount = 7875; System.out.printf("Erd\u0151s primes less than %d:\n", maxPrint); for (int count = 0, prime = 1; count < m...
#include <cstdint> #include <iomanip> #include <iostream> #include <set> #include <primesieve.hpp> class erdos_prime_generator { public: erdos_prime_generator() {} uint64_t next(); private: bool erdos(uint64_t p) const; primesieve::iterator iter_; std::set<uint64_t> primes_; }; uint64_t erdos_prim...
Transform the following Java implementation into C++, maintaining the same output and logic.
import java.util.*; public class Numbrix { final static String[] board = { "00,00,00,00,00,00,00,00,00", "00,00,46,45,00,55,74,00,00", "00,38,00,00,43,00,00,78,00", "00,35,00,00,00,00,00,71,00", "00,00,33,00,00,00,59,00,00", "00,17,00,00,00,00,00,67,00", "00...
#include <vector> #include <sstream> #include <iostream> #include <iterator> #include <cstdlib> #include <string> #include <bitset> using namespace std; typedef bitset<4> hood_t; struct node { int val; hood_t neighbors; }; class nSolver { public: void solve(vector<string>& puzz, int max_wid) { if (puzz.size()...
Convert the following code from Java to C++, ensuring the logic remains intact.
import java.util.*; public class Numbrix { final static String[] board = { "00,00,00,00,00,00,00,00,00", "00,00,46,45,00,55,74,00,00", "00,38,00,00,43,00,00,78,00", "00,35,00,00,00,00,00,71,00", "00,00,33,00,00,00,59,00,00", "00,17,00,00,00,00,00,67,00", "00...
#include <vector> #include <sstream> #include <iostream> #include <iterator> #include <cstdlib> #include <string> #include <bitset> using namespace std; typedef bitset<4> hood_t; struct node { int val; hood_t neighbors; }; class nSolver { public: void solve(vector<string>& puzz, int max_wid) { if (puzz.size()...
Convert this Java snippet to C++ and keep its semantics consistent.
package lvijay; import java.util.concurrent.atomic.AtomicInteger; import java.util.function.Function; public class Church { public static interface ChurchNum extends Function<ChurchNum, ChurchNum> { } public static ChurchNum zero() { return f -> x -> x; } public static ChurchNum next(Chu...
#include <iostream> auto Zero = [](auto){ return [](auto x){ return x; }; }; auto True = [](auto a){ return [=](auto){ return a; }; }; auto False = [](auto){ return [](auto b){ return b; }; }; auto Successor(auto a) { return [=](auto f) { return [=](auto x) { return a(f)(f(x)); }; ...
Please provide an equivalent version of this Java code in C++.
package lvijay; import java.util.concurrent.atomic.AtomicInteger; import java.util.function.Function; public class Church { public static interface ChurchNum extends Function<ChurchNum, ChurchNum> { } public static ChurchNum zero() { return f -> x -> x; } public static ChurchNum next(Chu...
#include <iostream> auto Zero = [](auto){ return [](auto x){ return x; }; }; auto True = [](auto a){ return [=](auto){ return a; }; }; auto False = [](auto){ return [](auto b){ return b; }; }; auto Successor(auto a) { return [=](auto f) { return [=](auto x) { return a(f)(f(x)); }; ...
Rewrite this program in C++ while keeping its functionality equivalent to the Java version.
import java.util.*; public class Hopido { final static String[] board = { ".00.00.", "0000000", "0000000", ".00000.", "..000..", "...0..."}; final static int[][] moves = {{-3, 0}, {0, 3}, {3, 0}, {0, -3}, {2, 2}, {2, -2}, {-2, 2}, {-2, -2}}; static int[...
#include <vector> #include <sstream> #include <iostream> #include <iterator> #include <stdlib.h> #include <string.h> using namespace std; struct node { int val; unsigned char neighbors; }; class nSolver { public: nSolver() { dx[0] = -2; dy[0] = -2; dx[1] = -2; dy[1] = 2; dx[2] = 2; dy[2] = -2; dx...
Port the provided Java code into C++ while preserving the original functionality.
import java.util.*; public class Hopido { final static String[] board = { ".00.00.", "0000000", "0000000", ".00000.", "..000..", "...0..."}; final static int[][] moves = {{-3, 0}, {0, 3}, {3, 0}, {0, -3}, {2, 2}, {2, -2}, {-2, 2}, {-2, -2}}; static int[...
#include <vector> #include <sstream> #include <iostream> #include <iterator> #include <stdlib.h> #include <string.h> using namespace std; struct node { int val; unsigned char neighbors; }; class nSolver { public: nSolver() { dx[0] = -2; dy[0] = -2; dx[1] = -2; dy[1] = 2; dx[2] = 2; dy[2] = -2; dx...
Translate this program into C++ but keep the logic exactly as in Java.
import java.util.*; import static java.util.Arrays.*; import static java.util.stream.Collectors.toList; public class NonogramSolver { static String[] p1 = {"C BA CB BB F AE F A B", "AB CA AE GA E C D C"}; static String[] p2 = {"F CAC ACAC CN AAA AABB EBB EAA ECCC HCCC", "D D AE " + "CD AE A DA BBB CC...
template<uint _N, uint _G> class Nonogram { enum class ng_val : char {X='#',B='.',V='?'}; template<uint _NG> struct N { N() {} N(std::vector<int> ni,const int l) : X{},B{},Tx{},Tb{},ng(ni),En{},gNG(l){} std::bitset<_NG> X, B, T, Tx, Tb; std::vector<int> ng; int En, gNG; void fn (con...
Produce a language-to-language conversion: from Java to C++, same semantics.
import java.util.*; import static java.util.Arrays.*; import static java.util.stream.Collectors.toList; public class NonogramSolver { static String[] p1 = {"C BA CB BB F AE F A B", "AB CA AE GA E C D C"}; static String[] p2 = {"F CAC ACAC CN AAA AABB EBB EAA ECCC HCCC", "D D AE " + "CD AE A DA BBB CC...
template<uint _N, uint _G> class Nonogram { enum class ng_val : char {X='#',B='.',V='?'}; template<uint _NG> struct N { N() {} N(std::vector<int> ni,const int l) : X{},B{},Tx{},Tb{},ng(ni),En{},gNG(l){} std::bitset<_NG> X, B, T, Tx, Tb; std::vector<int> ng; int En, gNG; void fn (con...
Produce a language-to-language conversion: from Java to C++, same semantics.
import java.io.*; import static java.lang.String.format; import java.util.*; public class WordSearch { static class Grid { int numAttempts; char[][] cells = new char[nRows][nCols]; List<String> solutions = new ArrayList<>(); } final static int[][] dirs = {{1, 0}, {0, 1}, {1, 1}, {1...
#include <iomanip> #include <ctime> #include <iostream> #include <vector> #include <string> #include <algorithm> #include <fstream> const int WID = 10, HEI = 10, MIN_WORD_LEN = 3, MIN_WORD_CNT = 25; class Cell { public: Cell() : val( 0 ), cntOverlap( 0 ) {} char val; int cntOverlap; }; class Word { public: ...
Produce a functionally identical C++ code for the snippet given in Java.
module BreakOO { class Exposed { public String pub = "public"; protected String pro = "protected"; private String pri = "private"; @Override String toString() { return $"pub={pub.quoted()}, pro={pro.quoted()}, pri={pri.quoted()}"...
#include <iostream> class CWidget; class CFactory { friend class CWidget; private: unsigned int m_uiCount; public: CFactory(); ~CFactory(); CWidget* GetWidget(); }; class CWidget { private: CFactory& m_parent; private: CWidget(); CWidget(const CWidget&); CWidget& operator=(const CWidget&); pub...
Produce a functionally identical C++ code for the snippet given in Java.
module BreakOO { class Exposed { public String pub = "public"; protected String pro = "protected"; private String pri = "private"; @Override String toString() { return $"pub={pub.quoted()}, pro={pro.quoted()}, pri={pri.quoted()}"...
#include <iostream> class CWidget; class CFactory { friend class CWidget; private: unsigned int m_uiCount; public: CFactory(); ~CFactory(); CWidget* GetWidget(); }; class CWidget { private: CFactory& m_parent; private: CWidget(); CWidget(const CWidget&); CWidget& operator=(const CWidget&); pub...
Produce a language-to-language conversion: from Java to C++, same semantics.
import java.io.*; class Entity implements Serializable { static final long serialVersionUID = 3504465751164822571L; String name = "Entity"; public String toString() { return name; } } class Person extends Entity implements Serializable { static final long serialVersionUID = -917044571337395...
#include <string> #include <fstream> #include <boost/serialization/string.hpp> #include <boost/archive/text_oarchive.hpp> #include <boost/archive/text_iarchive.hpp> #include <boost/serialization/base_object.hpp> #include <iostream> class Employee { public : Employee( ) { } Employee ( const std::string &dep ,...
Can you help me rewrite this code in C++ instead of Java, keeping it the same logically?
import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class Eertree { public static void main(String[] args) { List<Node> tree = eertree("eertree"); List<String> result = subPalindromes(tree); System.out.println(result); } private...
#include <iostream> #include <functional> #include <map> #include <vector> struct Node { int length; std::map<char, int> edges; int suffix; Node(int l) : length(l), suffix(0) { } Node(int l, const std::map<char, int>& m, int s) : length(l), edges(m), suffix(s) { } }; co...
Rewrite this program in C++ while keeping its functionality equivalent to the Java version.
import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; public class Eertree { public static void main(String[] args) { List<Node> tree = eertree("eertree"); List<String> result = subPalindromes(tree); System.out.println(result); } private...
#include <iostream> #include <functional> #include <map> #include <vector> struct Node { int length; std::map<char, int> edges; int suffix; Node(int l) : length(l), suffix(0) { } Node(int l, const std::map<char, int>& m, int s) : length(l), edges(m), suffix(s) { } }; co...
Convert this Java snippet to C++ and keep its semantics consistent.
import java.time.LocalDate; import java.time.temporal.WeekFields; public class LongYear { public static void main(String[] args) { System.out.printf("Long years this century:%n"); for (int year = 2000 ; year < 2100 ; year++ ) { if ( longYear(year) ) { System.out.print(y...
#include <stdio.h> #include <math.h> int p(int year) { return (int)((double)year + floor(year/4) - floor(year/100) + floor(year/400)) % 7; } int is_long_year(int year) { return p(year) == 4 || p(year - 1) == 3; } void print_long_years(int from, int to) { for (int year = from; year <= to; ++year) { if (is_long...
Generate a C++ translation of this Java snippet without changing its computational steps.
import java.util.ArrayList; import java.util.Collections; import java.util.List; public class ZumkellerNumbers { public static void main(String[] args) { int n = 1; System.out.printf("First 220 Zumkeller numbers:%n"); for ( int count = 1 ; count <= 220 ; n += 1 ) { if ( isZumke...
#include <iostream"> #include <cmath> #include <vector> #include <algorithm> #include <iomanip> #include <numeric> using namespace std; const uint* binary(uint n, uint length); uint sum_subset_unrank_bin(const vector<uint>& d, uint r); vector<uint> factors(uint x); bool isPrime(uint number); bool isZum(uint n)...
Write the same algorithm in C++ as shown in this Java implementation.
import java.util.*; class MergeMaps { public static void main(String[] args) { Map<String, Object> base = new HashMap<>(); base.put("name", "Rocket Skates"); base.put("price", 12.75); base.put("color", "yellow"); Map<String, Object> update = new HashMap<>(); update.p...
#include <iostream> #include <string> #include <map> template<typename map_type> map_type merge(const map_type& original, const map_type& update) { map_type result(update); result.insert(original.begin(), original.end()); return result; } int main() { typedef std::map<std::string, std::string> map; ...
Write the same algorithm in C++ as shown in this Java implementation.
import java.util.*; class MergeMaps { public static void main(String[] args) { Map<String, Object> base = new HashMap<>(); base.put("name", "Rocket Skates"); base.put("price", 12.75); base.put("color", "yellow"); Map<String, Object> update = new HashMap<>(); update.p...
#include <iostream> #include <string> #include <map> template<typename map_type> map_type merge(const map_type& original, const map_type& update) { map_type result(update); result.insert(original.begin(), original.end()); return result; } int main() { typedef std::map<std::string, std::string> map; ...
Ensure the translated C++ code behaves exactly like the original Java snippet.
import java.math.BigDecimal; import java.math.BigInteger; import java.math.MathContext; import java.util.ArrayList; import java.util.List; public class MetallicRatios { private static String[] ratioDescription = new String[] {"Platinum", "Golden", "Silver", "Bronze", "Copper", "Nickel", "Aluminum", "Iron", "Tin",...
#include <boost/multiprecision/cpp_dec_float.hpp> #include <iostream> const char* names[] = { "Platinum", "Golden", "Silver", "Bronze", "Copper", "Nickel", "Aluminium", "Iron", "Tin", "Lead" }; template<const uint N> void lucas(ulong b) { std::cout << "Lucas sequence for " << names[b] << " ratio, where b = " << b...
Translate the given Java code snippet into C++ without altering its behavior.
import java.math.BigDecimal; import java.math.BigInteger; import java.math.MathContext; import java.util.ArrayList; import java.util.List; public class MetallicRatios { private static String[] ratioDescription = new String[] {"Platinum", "Golden", "Silver", "Bronze", "Copper", "Nickel", "Aluminum", "Iron", "Tin",...
#include <boost/multiprecision/cpp_dec_float.hpp> #include <iostream> const char* names[] = { "Platinum", "Golden", "Silver", "Bronze", "Copper", "Nickel", "Aluminium", "Iron", "Tin", "Lead" }; template<const uint N> void lucas(ulong b) { std::cout << "Lucas sequence for " << names[b] << " ratio, where b = " << b...
Ensure the translated C++ code behaves exactly like the original Java snippet.
interface Eatable { void eat(); }
template<typename T> struct can_eat { private: template<typename U, void (U::*)()> struct SFINAE {}; template<typename U> static char Test(SFINAE<U, &U::eat>*); template<typename U> static int Test(...); public: static constexpr bool value = sizeof(Test<T>(0)) == sizeof(char); }; struct pot...
Please provide an equivalent version of this Java code in C++.
import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Objects; import java.util.Random; public class MarkovChain { pr...
#include <ctime> #include <iostream> #include <algorithm> #include <fstream> #include <string> #include <vector> #include <map> class markov { public: void create( std::string& file, unsigned int keyLen, unsigned int words ) { std::ifstream f( file.c_str(), std::ios_base::in ); fileBuffer = std::str...
Can you help me rewrite this code in C++ instead of Java, keeping it the same logically?
import java.io.*; import java.util.*; public class Dijkstra { private static final Graph.Edge[] GRAPH = { new Graph.Edge("a", "b", 7), new Graph.Edge("a", "c", 9), new Graph.Edge("a", "f", 14), new Graph.Edge("b", "c", 10), new Graph.Edge("b", "d", 15), new Graph.Edge("c", "d", 1...
#include <iostream> #include <vector> #include <string> #include <list> #include <limits> #include <set> #include <utility> #include <algorithm> #include <iterator> typedef int vertex_t; typedef double weight_t; const weight_t max_weight = std::numeric_limits<double>::infinity(); struct neighbor { vertex_t ...
Port the provided Java code into C++ while preserving the original functionality.
import java.util.Arrays; import java.util.Random; public class GeometricAlgebra { private static int bitCount(int i) { i -= ((i >> 1) & 0x55555555); i = (i & 0x33333333) + ((i >> 2) & 0x33333333); i = (i + (i >> 4)) & 0x0F0F0F0F; i += (i >> 8); i += (i >> 16); return...
#include <algorithm> #include <iostream> #include <random> #include <vector> double uniform01() { static std::default_random_engine generator; static std::uniform_real_distribution<double> distribution(0.0, 1.0); return distribution(generator); } int bitCount(int i) { i -= ((i >> 1) & 0x55555555); ...
Can you help me rewrite this code in C++ instead of Java, keeping it the same logically?
import java.util.ArrayList; import java.util.List; public class SuffixTreeProblem { private static class Node { String sub = ""; List<Integer> ch = new ArrayList<>(); } private static class SuffixTree { private List<Node> nodes = new ArrayList<>(); ...
#include <functional> #include <iostream> #include <vector> struct Node { std::string sub = ""; std::vector<int> ch; Node() { } Node(const std::string& sub, std::initializer_list<int> children) : sub(sub) { ch.insert(ch.end(), children); } }; struct SuffixTree { s...
Transform the following Java implementation into C++, maintaining the same output and logic.
import java.util.ArrayList; import java.util.List; public class SuffixTreeProblem { private static class Node { String sub = ""; List<Integer> ch = new ArrayList<>(); } private static class SuffixTree { private List<Node> nodes = new ArrayList<>(); ...
#include <functional> #include <iostream> #include <vector> struct Node { std::string sub = ""; std::vector<int> ch; Node() { } Node(const std::string& sub, std::initializer_list<int> children) : sub(sub) { ch.insert(ch.end(), children); } }; struct SuffixTree { s...
Transform the following Java implementation into C++, maintaining the same output and logic.
Map<String, Integer> map = new HashMap<String, Integer>(); map.put("hello", 1); map.put("world", 2); map.put("!", 3); for (Map.Entry<String, Integer> e : map.entrySet()) { String key = e.getKey(); Integer value = e.getValue(); System.out.println("key = " + key + ", value = " + value); } for (String key ...
#include <iostream> #include <map> #include <string> int main() { std::map<std::string, int> dict { {"One", 1}, {"Two", 2}, {"Three", 7} }; dict["Three"] = 3; std::cout << "One: " << dict["One"] << std::endl; std::cout << "Key/Value pairs: " << std::endl; for(auto& kv: dict) { std::cout <...
Ensure the translated C++ code behaves exactly like the original Java snippet.
class BoundedIntOutOfBoundsException extends Exception { public BoundedIntOutOfBoundsException(int v, int l, int u) { super("value " + v + " is out of bounds [" + l + "," + u + "]"); } } class BoundedInt { private int value; private int lower; private int upper; public BoundedInt(int l, int u) { l...
#include <stdexcept> class tiny_int { public: tiny_int(int i): value(i) { if (value < 1) throw std::out_of_range("tiny_int: value smaller than 1"); if (value > 10) throw std::out_of_range("tiny_int: value larger than 10"); } operator int() const { return value; } tiny_int& ope...
Port the following code from Java to C++ with equivalent syntax and logic.
public class AVLtree { private Node root; private static class Node { private int key; private int balance; private int height; private Node left; private Node right; private Node parent; Node(int key, Node parent) { this.key = key; ...
#include <algorithm> #include <iostream> template <class T> class AVLnode { public: T key; int balance; AVLnode *left, *right, *parent; AVLnode(T k, AVLnode *p) : key(k), balance(0), parent(p), left(NULL), right(NULL) {} ~AVLnode() { delete left; delete ri...
Rewrite the snippet below in C++ so it works the same as the original Java code.
public class AVLtree { private Node root; private static class Node { private int key; private int balance; private int height; private Node left; private Node right; private Node parent; Node(int key, Node parent) { this.key = key; ...
#include <algorithm> #include <iostream> template <class T> class AVLnode { public: T key; int balance; AVLnode *left, *right, *parent; AVLnode(T k, AVLnode *p) : key(k), balance(0), parent(p), left(NULL), right(NULL) {} ~AVLnode() { delete left; delete ri...
Maintain the same structure and functionality when rewriting this code in C++.
import java.awt.*; import java.util.List; import java.awt.geom.Path2D; import java.util.*; import javax.swing.*; import static java.lang.Math.*; import static java.util.stream.Collectors.toList; public class PenroseTiling extends JPanel { class Tile { double x, y, angle, size; Type type; ...
#include <cmath> #include <cstdlib> #include <fstream> #include <iomanip> #include <iostream> #include <set> #include <sstream> #include <stack> #include <string> #include <tuple> int main() { std::ofstream out("penrose_tiling.svg"); if (!out) { std::cerr << "Cannot open output file.\n"; return...
Produce a language-to-language conversion: from Java to C++, same semantics.
import java.util.Arrays; import java.util.ArrayList; import java.util.List; public class SphenicNumbers { public static void main(String[] args) { final int limit = 1000000; final int imax = limit / 6; boolean[] sieve = primeSieve(imax + 1); boolean[] sphenic = new boolean[limit + 1...
#include <algorithm> #include <cassert> #include <iomanip> #include <iostream> #include <vector> std::vector<bool> prime_sieve(int limit) { std::vector<bool> sieve(limit, true); if (limit > 0) sieve[0] = false; if (limit > 1) sieve[1] = false; for (int i = 4; i < limit; i += 2) ...
Transform the following Java implementation into C++, maintaining the same output and logic.
import java.io.*; import java.nio.*; import java.nio.file.*; import java.nio.file.attribute.*; import java.security.*; import java.util.*; public class DuplicateFiles { public static void main(String[] args) { if (args.length != 2) { System.err.println("Directory name and minimum file size are ...
#include<iostream> #include<string> #include<boost/filesystem.hpp> #include<boost/format.hpp> #include<boost/iostreams/device/mapped_file.hpp> #include<optional> #include<algorithm> #include<iterator> #include<execution> #include"dependencies/xxhash.hpp" template<typename T, typename V, typename F> size_t for_each_...
Maintain the same structure and functionality when rewriting this code in C++.
import java.util.*; public class HolyKnightsTour { final static String[] board = { " xxx ", " x xx ", " xxxxxxx", "xxx x x", "x x xxx", "1xxxxxx ", " xx x ", " xxx "}; private final static int base = 12; private final static int[...
#include <vector> #include <sstream> #include <iostream> #include <iterator> #include <stdlib.h> #include <string.h> using namespace std; struct node { int val; unsigned char neighbors; }; class nSolver { public: nSolver() { dx[0] = -1; dy[0] = -2; dx[1] = -1; dy[1] = 2; dx[2] = 1; dy[2] = -2; dx...
Write a version of this Java function in C++ with identical behavior.
import java.util.*; public class HolyKnightsTour { final static String[] board = { " xxx ", " x xx ", " xxxxxxx", "xxx x x", "x x xxx", "1xxxxxx ", " xx x ", " xxx "}; private final static int base = 12; private final static int[...
#include <vector> #include <sstream> #include <iostream> #include <iterator> #include <stdlib.h> #include <string.h> using namespace std; struct node { int val; unsigned char neighbors; }; class nSolver { public: nSolver() { dx[0] = -1; dy[0] = -2; dx[1] = -1; dy[1] = 2; dx[2] = 1; dy[2] = -2; dx...
Change the following Java code into C++ without altering its purpose.
import java.util.Arrays; import java.util.BitSet; import org.apache.commons.lang3.ArrayUtils; public class OrderDisjointItems { public static void main(String[] args) { final String[][] MNs = {{"the cat sat on the mat", "mat cat"}, {"the cat sat on the mat", "cat mat"}, {"A B C A B C A B C...
#include <iostream> #include <vector> #include <algorithm> #include <string> template <typename T> void print(const std::vector<T> v) { std::cout << "{ "; for (const auto& e : v) { std::cout << e << " "; } std::cout << "}"; } template <typename T> auto orderDisjointArrayItems(std::vector<T> M, std::vector...
Produce a functionally identical C++ code for the snippet given in Java.
package rosettacode.heredoc; public class MainApp { public static void main(String[] args) { String hereDoc = """ This is a multiline string. It includes all of this text, but on separate lines in the code. """; System.out.println(hereDoc); } }
#include <iostream> int main() { std::cout << R"EOF( A raw string begins with R, then a double-quote ("), then an optional identifier (here I've used "EOF"), then an opening parenthesis ('('). If you use an identifier, it cannot be longer than 16 characters, and it cannot contain a space, either op...
Maintain the same structure and functionality when rewriting this code in C++.
package rosettacode.heredoc; public class MainApp { public static void main(String[] args) { String hereDoc = """ This is a multiline string. It includes all of this text, but on separate lines in the code. """; System.out.println(hereDoc); } }
#include <iostream> int main() { std::cout << R"EOF( A raw string begins with R, then a double-quote ("), then an optional identifier (here I've used "EOF"), then an opening parenthesis ('('). If you use an identifier, it cannot be longer than 16 characters, and it cannot contain a space, either op...
Write the same algorithm in C++ as shown in this Java implementation.
import java.util.*; public class HashJoin { public static void main(String[] args) { String[][] table1 = {{"27", "Jonah"}, {"18", "Alan"}, {"28", "Glory"}, {"18", "Popeye"}, {"28", "Alan"}}; String[][] table2 = {{"Jonah", "Whales"}, {"Jonah", "Spiders"}, {"Alan", "Ghosts"}, {"Alan...
#include <iostream> #include <string> #include <vector> #include <unordered_map> using tab_t = std::vector<std::vector<std::string>>; tab_t tab1 { {"27", "Jonah"} , {"18", "Alan"} , {"28", "Glory"} , {"18", "Popeye"} , {"28", "Alan"} }; tab_t tab2 { {"Jonah", "Whales"} , {"Jonah", "Spiders"} , {"Alan", "Ghosts"...
Write the same code in C++ as shown below in Java.
import java.util.Arrays; public class RamanujanPrimes { public static void main(String[] args) { long start = System.nanoTime(); System.out.println("First 100 Ramanujan primes:"); PrimeCounter pc = new PrimeCounter(1 + ramanujanMax(100000)); for (int i = 1; i <= 100; ++i) { ...
#include <chrono> #include <cmath> #include <iomanip> #include <iostream> #include <numeric> #include <vector> class prime_counter { public: explicit prime_counter(int limit); int prime_count(int n) const { return n < 1 ? 0 : count_.at(n); } private: std::vector<int> count_; }; prime_counter::prime_count...
Produce a functionally identical C++ code for the snippet given in Java.
import java.util.Arrays; public class RamanujanPrimes { public static void main(String[] args) { long start = System.nanoTime(); System.out.println("First 100 Ramanujan primes:"); PrimeCounter pc = new PrimeCounter(1 + ramanujanMax(100000)); for (int i = 1; i <= 100; ++i) { ...
#include <chrono> #include <cmath> #include <iomanip> #include <iostream> #include <numeric> #include <vector> class prime_counter { public: explicit prime_counter(int limit); int prime_count(int n) const { return n < 1 ? 0 : count_.at(n); } private: std::vector<int> count_; }; prime_counter::prime_count...
Convert the following code from Java to C++, ensuring the logic remains intact.
import java.util.Arrays; public class RamanujanPrimes { public static void main(String[] args) { long start = System.nanoTime(); System.out.println("First 100 Ramanujan primes:"); PrimeCounter pc = new PrimeCounter(1 + ramanujanMax(100000)); for (int i = 1; i <= 100; ++i) { ...
#include <chrono> #include <cmath> #include <iomanip> #include <iostream> #include <numeric> #include <vector> class prime_counter { public: explicit prime_counter(int limit); int prime_count(int n) const { return n < 1 ? 0 : count_.at(n); } private: std::vector<int> count_; }; prime_counter::prime_count...
Transform the following Java implementation into C++, maintaining the same output and logic.
import java.io.*; public class SierpinskiCurve { public static void main(final String[] args) { try (Writer writer = new BufferedWriter(new FileWriter("sierpinski_curve.svg"))) { SierpinskiCurve s = new SierpinskiCurve(writer); s.currentAngle = 45; s.currentX = 5; ...
#include <cmath> #include <fstream> #include <iostream> #include <string> class sierpinski_curve { public: void write(std::ostream& out, int size, int length, int order); private: static std::string rewrite(const std::string& s); void line(std::ostream& out); void execute(std::ostream& out, const std:...
Produce a functionally identical C++ code for the snippet given in Java.
import java.io.*; public class SierpinskiCurve { public static void main(final String[] args) { try (Writer writer = new BufferedWriter(new FileWriter("sierpinski_curve.svg"))) { SierpinskiCurve s = new SierpinskiCurve(writer); s.currentAngle = 45; s.currentX = 5; ...
#include <cmath> #include <fstream> #include <iostream> #include <string> class sierpinski_curve { public: void write(std::ostream& out, int size, int length, int order); private: static std::string rewrite(const std::string& s); void line(std::ostream& out); void execute(std::ostream& out, const std:...
Port the following code from Java to C++ with equivalent syntax and logic.
import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.ArrayList; import java.util.List; import java.util.Map; public class SDF { public static HashMap<Character, Integer> countElementOcurrences(char[] array) { HashMap<C...
#include <string> #include <vector> #include <map> #include <iostream> #include <algorithm> #include <utility> #include <sstream> std::string mostFreqKHashing ( const std::string & input , int k ) { std::ostringstream oss ; std::map<char, int> frequencies ; for ( char c : input ) { frequencies[ c ] = st...
Convert this Java block to C++, preserving its control flow and logic.
import java.io.File; import java.io.IOException; import java.net.URISyntaxException; import java.util.ArrayList; import java.util.Scanner; public class textCompletionConcept { public static int correct = 0; public static ArrayList<String> listed = new ArrayList<>(); public static void main(String[]args) ...
#include <algorithm> #include <fstream> #include <iostream> #include <numeric> #include <string> #include <vector> int levenshtein_distance(const std::string& str1, const std::string& str2) { size_t m = str1.size(), n = str2.size(); std::vector<int> cost(n + 1); std::iota(cost.begin(), cost.end(), 0); ...
Write a version of this Java function in C++ with identical behavior.
import java.util.Scanner; public class Pigdice { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int players = 0; while(true) { System.out.println("Hello, welcome to Pig Dice the game! How many players? "); if(scan.hasNextInt()) { int nextInt = scan...
#include <windows.h> #include <iostream> #include <string> using namespace std; const int PLAYERS = 4, MAX_POINTS = 100; enum Moves { ROLL, HOLD }; class player { public: player() { current_score = round_score = 0; } void addCurrScore() { current_score += round_score; } ...