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Rewrite the snippet below in Rust so it works the same as the original C++ code.
double NthRoot(double m_nValue, double index, double guess, double pc) { double result = guess; double result_next; do { result_next = (1.0/index)*((index-1.0)*result+(m_nValue)/(pow(result,(index-1.0)))); result = result_next; pc--; }while(pc>1); return result; };
fn nthRoot(n: f64, A: f64) -> f64 { let p = 1e-9_f64 ; let mut x0 = A / n ; loop { let mut x1 = ( (n-1.0) * x0 + A / f64::powf(x0, n-1.0) ) / n; if (x1-x0).abs() < (x0*p).abs() { return x1 }; x0 = x1 } } fn main() { println!("{}", nthRoot(3. , 8. )); }
Generate an equivalent Rust version of this C# code.
static void Main(string[] args) { Console.WriteLine(NthRoot(81,2,.001)); Console.WriteLine(NthRoot(1000,3,.001)); Console.ReadLine(); } public static double NthRoot(double A,int n, double p) { double _n= (double) n; double[] x = new double[2]; x[0] = A; x[1] = A/_n; while(Math.Abs(x[0] -x[1] ) > p) { x[1] = x[0]; x[0] = (1/_n)*(((_n-1)*x[1]) + (A/Math.Pow(x[1],_n-1))); } return x[0]; }
fn nthRoot(n: f64, A: f64) -> f64 { let p = 1e-9_f64 ; let mut x0 = A / n ; loop { let mut x1 = ( (n-1.0) * x0 + A / f64::powf(x0, n-1.0) ) / n; if (x1-x0).abs() < (x0*p).abs() { return x1 }; x0 = x1 } } fn main() { println!("{}", nthRoot(3. , 8. )); }
Translate this program into Python but keep the logic exactly as in Rust.
fn nthRoot(n: f64, A: f64) -> f64 { let p = 1e-9_f64 ; let mut x0 = A / n ; loop { let mut x1 = ( (n-1.0) * x0 + A / f64::powf(x0, n-1.0) ) / n; if (x1-x0).abs() < (x0*p).abs() { return x1 }; x0 = x1 } } fn main() { println!("{}", nthRoot(3. , 8. )); }
from decimal import Decimal, getcontext def nthroot (n, A, precision): getcontext().prec = precision n = Decimal(n) x_0 = A / n x_1 = 1 while True: x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1)))) if x_0 == x_1: return x_1
Write the same code in Rust as shown below in Java.
public static double nthroot(int n, double A) { return nthroot(n, A, .001); } public static double nthroot(int n, double A, double p) { if(A < 0) { System.err.println("A < 0"); return -1; } else if(A == 0) { return 0; } double x_prev = A; double x = A / n; while(Math.abs(x - x_prev) > p) { x_prev = x; x = ((n - 1.0) * x + A / Math.pow(x, n - 1.0)) / n; } return x; }
fn nthRoot(n: f64, A: f64) -> f64 { let p = 1e-9_f64 ; let mut x0 = A / n ; loop { let mut x1 = ( (n-1.0) * x0 + A / f64::powf(x0, n-1.0) ) / n; if (x1-x0).abs() < (x0*p).abs() { return x1 }; x0 = x1 } } fn main() { println!("{}", nthRoot(3. , 8. )); }
Write the same algorithm in Rust as shown in this Go implementation.
func root(a float64, n int) float64 { n1 := n - 1 n1f, rn := float64(n1), 1/float64(n) x, x0 := 1., 0. for { potx, t2 := 1/x, a for b := n1; b > 0; b >>= 1 { if b&1 == 1 { t2 *= potx } potx *= potx } x0, x = x, rn*(n1f*x+t2) if math.Abs(x-x0)*1e15 < x { break } } return x }
fn nthRoot(n: f64, A: f64) -> f64 { let p = 1e-9_f64 ; let mut x0 = A / n ; loop { let mut x1 = ( (n-1.0) * x0 + A / f64::powf(x0, n-1.0) ) / n; if (x1-x0).abs() < (x0*p).abs() { return x1 }; x0 = x1 } } fn main() { println!("{}", nthRoot(3. , 8. )); }
Generate an equivalent VB version of this Rust code.
fn nthRoot(n: f64, A: f64) -> f64 { let p = 1e-9_f64 ; let mut x0 = A / n ; loop { let mut x1 = ( (n-1.0) * x0 + A / f64::powf(x0, n-1.0) ) / n; if (x1-x0).abs() < (x0*p).abs() { return x1 }; x0 = x1 } } fn main() { println!("{}", nthRoot(3. , 8. )); }
Private Function nth_root(y As Double, n As Double) Dim eps As Double: eps = 0.00000000000001 Dim x As Variant: x = 1 Do While True d = (y / x ^ (n - 1) - x) / n x = x + d e = eps * x If d > -e And d < e Then Exit Do End If Loop Debug.Print y; n; x; y ^ (1 / n) End Function Public Sub main() nth_root 1024, 10 nth_root 27, 3 nth_root 2, 2 nth_root 5642, 125 nth_root 7, 0.5 nth_root 4913, 3 nth_root 8, 3 nth_root 16, 2 nth_root 16, 4 nth_root 125, 3 nth_root 1000000000, 3 nth_root 1000000000, 9 End Sub
Change the programming language of this snippet from Ada to C# without modifying what it does.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Translate this program into C# but keep the logic exactly as in Ada.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Convert this Ada block to C, preserving its control flow and logic.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Write the same code in C as shown below in Ada.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Convert the following code from Ada to C++, ensuring the logic remains intact.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Write a version of this Ada function in C++ with identical behavior.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Can you help me rewrite this code in Go instead of Ada, keeping it the same logically?
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; with Ada.Text_IO; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Change the following Ada code into Go without altering its purpose.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; with Ada.Text_IO; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Can you help me rewrite this code in Java instead of Ada, keeping it the same logically?
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Convert this Ada block to Java, preserving its control flow and logic.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Write the same code in Python as shown below in Ada.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Transform the following Ada implementation into Python, maintaining the same output and logic.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Please provide an equivalent version of this Ada code in VB.
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; with Ada.Text_IO; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Can you help me rewrite this code in VB instead of Ada, keeping it the same logically?
with Ada.Containers.Synchronized_Queue_Interfaces; with Ada.Containers.Unbounded_Priority_Queues; with Ada.Strings.Unbounded; with Ada.Text_IO; procedure Priority_Queues is use Ada.Containers; use Ada.Strings.Unbounded; type Queue_Element is record Priority : Natural; Content : Unbounded_String; end record; function Get_Priority (Element : Queue_Element) return Natural is begin return Element.Priority; end Get_Priority; function Before (Left, Right : Natural) return Boolean is begin return Left > Right; end Before; package String_Queues is new Synchronized_Queue_Interfaces (Element_Type => Queue_Element); package String_Priority_Queues is new Unbounded_Priority_Queues (Queue_Interfaces => String_Queues, Queue_Priority => Natural); My_Queue : String_Priority_Queues.Queue; begin My_Queue.Enqueue (New_Item => (Priority => 3, Content => To_Unbounded_String ("Clear drains"))); My_Queue.Enqueue (New_Item => (Priority => 4, Content => To_Unbounded_String ("Feed cat"))); My_Queue.Enqueue (New_Item => (Priority => 5, Content => To_Unbounded_String ("Make tea"))); My_Queue.Enqueue (New_Item => (Priority => 1, Content => To_Unbounded_String ("Solve RC tasks"))); My_Queue.Enqueue (New_Item => (Priority => 2, Content => To_Unbounded_String ("Tax return"))); declare Element : Queue_Element; begin while My_Queue.Current_Use > 0 loop My_Queue.Dequeue (Element => Element); Ada.Text_IO.Put_Line (Natural'Image (Element.Priority) & " => " & To_String (Element.Content)); end loop; end; end Priority_Queues;
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Write a version of this AutoHotKey function in C with identical behavior.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Write the same code in C as shown below in AutoHotKey.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Can you help me rewrite this code in C# instead of AutoHotKey, keeping it the same logically?
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Preserve the algorithm and functionality while converting the code from AutoHotKey to C#.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Transform the following AutoHotKey implementation into C++, maintaining the same output and logic.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Generate an equivalent C++ version of this AutoHotKey code.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Can you help me rewrite this code in Java instead of AutoHotKey, keeping it the same logically?
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Change the programming language of this snippet from AutoHotKey to Java without modifying what it does.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Write the same code in Python as shown below in AutoHotKey.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Write a version of this AutoHotKey function in Python with identical behavior.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Convert this AutoHotKey snippet to VB and keep its semantics consistent.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Change the programming language of this snippet from AutoHotKey to VB without modifying what it does.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Produce a language-to-language conversion: from AutoHotKey to Go, same semantics.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Port the following code from AutoHotKey to Go with equivalent syntax and logic.
PQ_TopItem(Queue,Task:=""){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) && ((T=Task)||!Task) return T , Queue.Remove(T) return 0 } PQ_AddTask(Queue,Task,Priority){ for T, P in Queue if (T=Task) || !(Priority && Task) return 0 return Task, Queue[Task] := Priority } PQ_DelTask(Queue, Task){ for T, P in Queue if (T = Task) return Task, Queue.Remove(Task) } PQ_Peek(Queue){ TopPriority := PQ_TopPriority(Queue) for T, P in Queue if (P = TopPriority) PeekList .= (PeekList?"`n":"") "`t" T return PeekList } PQ_Check(Queue,Task){ for T, P in Queue if (T = Task) return P return 0 } PQ_Edit(Queue,Task,Priority){ for T, P in Queue if (T = Task) return Priority, Queue[T]:=Priority return 0 } PQ_View(Queue){ for T, P in Queue Res .= P " : " T "`n" Sort, Res, FMySort return "Priority Queue=`n" Res } MySort(a,b){ RegExMatch(a,"(\d+) : (.*)", x), RegExMatch(b,"(\d+) : (.*)", y) return x1>y1?1:x1<y1?-1: x2>y2?1:x2<y2?-1: 0 } PQ_TopPriority(Queue){ for T, P in Queue TopPriority := TopPriority?TopPriority:P , TopPriority := TopPriority<P?TopPriority:P return, TopPriority }
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Produce a functionally identical C code for the snippet given in Clojure.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Port the provided Clojure code into C while preserving the original functionality.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Translate the given Clojure code snippet into C# without altering its behavior.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Rewrite the snippet below in C# so it works the same as the original Clojure code.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Write the same code in C++ as shown below in Clojure.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Translate this program into C++ but keep the logic exactly as in Clojure.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Write a version of this Clojure function in Java with identical behavior.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Can you help me rewrite this code in Java instead of Clojure, keeping it the same logically?
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Produce a language-to-language conversion: from Clojure to Python, same semantics.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Keep all operations the same but rewrite the snippet in Python.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Change the programming language of this snippet from Clojure to VB without modifying what it does.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Generate a VB translation of this Clojure snippet without changing its computational steps.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Can you help me rewrite this code in Go instead of Clojure, keeping it the same logically?
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Generate an equivalent Go version of this Clojure code.
user=> (use 'clojure.data.priority-map) user=> (def p (priority-map "Clear drains" 3, "Feed cat" 4, "Make tea" 5, "Solve RC tasks" 1)) #'user/p user=> p {"Solve RC tasks" 1, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (assoc p "Tax return" 2) {"Solve RC tasks" 1, "Tax return" 2, "Clear drains" 3, "Feed cat" 4, "Make tea" 5} user=> (peek p) ["Solve RC tasks" 1] user=> (into p [["Wax Car" 4]["Paint Fence" 1]["Sand Floor" 3]]) {"Solve RC tasks" 1, "Paint Fence" 1, "Clear drains" 3, "Sand Floor" 3, "Wax Car" 4, "Feed cat" 4, "Make tea" 5}
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Write the same algorithm in C as shown in this Common_Lisp implementation.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Rewrite this program in C while keeping its functionality equivalent to the Common_Lisp version.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Maintain the same structure and functionality when rewriting this code in C#.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Convert this Common_Lisp block to C#, preserving its control flow and logic.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Please provide an equivalent version of this Common_Lisp code in C++.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Please provide an equivalent version of this Common_Lisp code in C++.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Change the following Common_Lisp code into Java without altering its purpose.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Change the following Common_Lisp code into Java without altering its purpose.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Can you help me rewrite this code in Python instead of Common_Lisp, keeping it the same logically?
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Convert the following code from Common_Lisp to Python, ensuring the logic remains intact.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Generate an equivalent VB version of this Common_Lisp code.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Translate this program into VB but keep the logic exactly as in Common_Lisp.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Ensure the translated Go code behaves exactly like the original Common_Lisp snippet.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Keep all operations the same but rewrite the snippet in Go.
(defun make-pq (alist) (sort (copy-alist alist) (lambda (a b) (< (car a) (car b))))) (define-modify-macro insert-pq (pair) (lambda (pq pair) (sort-alist (cons pair pq)))) (define-modify-macro remove-pq-aux () cdr) (defmacro remove-pq (pq) `(let ((aux (copy-alist ,pq))) (REMOVE-PQ-AUX ,pq) (car aux))) (defun insert-pq-non-destructive (pair pq) (sort-alist (cons pair pq))) (defun remove-pq-non-destructive (pq) (cdr pq)) (defparameter a (make-pq '((1 . "Solve RC tasks") (3 . "Clear drains") (2 . "Tax return") (5 . "Make tea")))) (format t "~a~&" a) (insert-pq a '(4 . "Feed cat")) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a) (format t "~a~&" (remove-pq a)) (format t "~a~&" a)
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Generate an equivalent C version of this D code.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Produce a functionally identical C code for the snippet given in D.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Produce a language-to-language conversion: from D to C#, same semantics.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Ensure the translated C# code behaves exactly like the original D snippet.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Port the following code from D to C++ with equivalent syntax and logic.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Produce a functionally identical C++ code for the snippet given in D.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Translate this program into Java but keep the logic exactly as in D.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Keep all operations the same but rewrite the snippet in Java.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Port the provided D code into Python while preserving the original functionality.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Rewrite this program in Python while keeping its functionality equivalent to the D version.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Produce a functionally identical VB code for the snippet given in D.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Convert this D block to VB, preserving its control flow and logic.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Transform the following D implementation into Go, maintaining the same output and logic.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Transform the following D implementation into Go, maintaining the same output and logic.
import std.stdio, std.container, std.array, std.typecons; void main() { alias tuple T; auto heap = heapify([T(3, "Clear drains"), T(4, "Feed cat"), T(5, "Make tea"), T(1, "Solve RC tasks"), T(2, "Tax return")]); while (!heap.empty) { writeln(heap.front); heap.removeFront(); } }
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Write a version of this Delphi function in C with identical behavior.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Generate an equivalent C version of this Delphi code.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Port the provided Delphi code into C# while preserving the original functionality.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Generate a C# translation of this Delphi snippet without changing its computational steps.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Change the programming language of this snippet from Delphi to C++ without modifying what it does.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Translate the given Delphi code snippet into C++ without altering its behavior.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Generate a Java translation of this Delphi snippet without changing its computational steps.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Port the provided Delphi code into Java while preserving the original functionality.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Translate the given Delphi code snippet into Python without altering its behavior.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Write a version of this Delphi function in Python with identical behavior.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Produce a functionally identical VB code for the snippet given in Delphi.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Write the same algorithm in VB as shown in this Delphi implementation.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
Type Tuple Priority As Integer Data As String End Type Dim a() As Tuple Dim n As Integer Private Function Left(i As Integer) As Integer Left = 2 * i + 1 End Function Private Function Right(i As Integer) As Integer Right = 2 * i + 2 End Function Private Function Parent(i As Integer) As Integer Parent = (i - 1) \ 2 End Function Private Sub Add(fPriority As Integer, fData As String) n = n + 1 If n > UBound(a) Then ReDim Preserve a(2 * n) a(n - 1).Priority = fPriority a(n - 1).Data = fData bubbleUp (n - 1) End Sub Private Sub Swap(i As Integer, j As Integer) Dim t As Tuple t = a(i) a(i) = a(j) a(j) = t End Sub Private Sub bubbleUp(i As Integer) Dim p As Integer p = Parent(i) Do While i > 0 And a(i).Priority < a(p).Priority Swap i, p i = p p = Parent(i) Loop End Sub Private Function Remove() As Tuple Dim x As Tuple x = a(0) a(0) = a(n - 1) n = n - 1 trickleDown 0 If 3 * n < UBound(a) Then ReDim Preserve a(UBound(a) \ 2) Remove = x End Function Private Sub trickleDown(i As Integer) Dim j As Integer, l As Integer, r As Integer Do j = -1 r = Right(i) If r < n And a(r).Priority < a(i).Priority Then l = Left(i) If a(l).Priority < a(r).Priority Then j = l Else j = r End If Else l = Left(i) If l < n And a(l).Priority < a(i).Priority Then j = l End If If j >= 0 Then Swap i, j i = j Loop While i >= 0 End Sub Public Sub PQ() ReDim a(4) Add 3, "Clear drains" Add 4, "Feed cat" Add 5, "Make tea" Add 1, "Solve RC tasks" Add 2, "Tax return" Dim t As Tuple Do While n > 0 t = Remove Debug.Print t.Priority, t.Data Loop End Sub
Convert this Delphi snippet to Go and keep its semantics consistent.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Write the same code in Go as shown below in Delphi.
program Priority_queue; uses System.SysUtils, Boost.Generics.Collection; var Queue: TPriorityQueue<String>; begin Queue := TPriorityQueue<String>.Create(['Clear drains', 'Feed cat', 'Make tea', 'Solve RC tasks', 'Tax return'], [3, 4, 5, 1, 2]); while not Queue.IsEmpty do with Queue.DequeueEx do Writeln(Priority, ', ', value); end.
package main import ( "fmt" "container/heap" ) type Task struct { priority int name string } type TaskPQ []Task func (self TaskPQ) Len() int { return len(self) } func (self TaskPQ) Less(i, j int) bool { return self[i].priority < self[j].priority } func (self TaskPQ) Swap(i, j int) { self[i], self[j] = self[j], self[i] } func (self *TaskPQ) Push(x interface{}) { *self = append(*self, x.(Task)) } func (self *TaskPQ) Pop() (popped interface{}) { popped = (*self)[len(*self)-1] *self = (*self)[:len(*self)-1] return } func main() { pq := &TaskPQ{{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}} heap.Init(pq) heap.Push(pq, Task{2, "Tax return"}) for pq.Len() != 0 { fmt.Println(heap.Pop(pq)) } }
Port the provided Elixir code into C while preserving the original functionality.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Please provide an equivalent version of this Elixir code in C.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
#include <stdio.h> #include <stdlib.h> typedef struct { int priority; char *data; } node_t; typedef struct { node_t *nodes; int len; int size; } heap_t; void push (heap_t *h, int priority, char *data) { if (h->len + 1 >= h->size) { h->size = h->size ? h->size * 2 : 4; h->nodes = (node_t *)realloc(h->nodes, h->size * sizeof (node_t)); } int i = h->len + 1; int j = i / 2; while (i > 1 && h->nodes[j].priority > priority) { h->nodes[i] = h->nodes[j]; i = j; j = j / 2; } h->nodes[i].priority = priority; h->nodes[i].data = data; h->len++; } char *pop (heap_t *h) { int i, j, k; if (!h->len) { return NULL; } char *data = h->nodes[1].data; h->nodes[1] = h->nodes[h->len]; h->len--; i = 1; while (i!=h->len+1) { k = h->len+1; j = 2 * i; if (j <= h->len && h->nodes[j].priority < h->nodes[k].priority) { k = j; } if (j + 1 <= h->len && h->nodes[j + 1].priority < h->nodes[k].priority) { k = j + 1; } h->nodes[i] = h->nodes[k]; i = k; } return data; } int main () { heap_t *h = (heap_t *)calloc(1, sizeof (heap_t)); push(h, 3, "Clear drains"); push(h, 4, "Feed cat"); push(h, 5, "Make tea"); push(h, 1, "Solve RC tasks"); push(h, 2, "Tax return"); int i; for (i = 0; i < 5; i++) { printf("%s\n", pop(h)); } return 0; }
Change the programming language of this snippet from Elixir to C# without modifying what it does.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Please provide an equivalent version of this Elixir code in C#.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
using System; using System.Collections.Generic; namespace PriorityQueueExample { class Program { static void Main(string[] args) { var p = new PriorityQueue<string, int>(); p.Enqueue("Clear drains", 3); p.Enqueue("Feed cat", 4); p.Enqueue("Make tea", 5); p.Enqueue("Solve RC tasks", 1); p.Enqueue("Tax return", 2); while (p.TryDequeue(out string task, out int priority)) { Console.WriteLine($"{priority}\t{task}"); } } } }
Change the programming language of this snippet from Elixir to C++ without modifying what it does.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Change the following Elixir code into C++ without altering its purpose.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
#include <iostream> #include <string> #include <queue> #include <utility> int main() { std::priority_queue<std::pair<int, std::string> > pq; pq.push(std::make_pair(3, "Clear drains")); pq.push(std::make_pair(4, "Feed cat")); pq.push(std::make_pair(5, "Make tea")); pq.push(std::make_pair(1, "Solve RC tasks")); pq.push(std::make_pair(2, "Tax return")); while (!pq.empty()) { std::cout << pq.top().first << ", " << pq.top().second << std::endl; pq.pop(); } return 0; }
Change the following Elixir code into Java without altering its purpose.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Port the provided Elixir code into Java while preserving the original functionality.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
import java.util.PriorityQueue; class Task implements Comparable<Task> { final int priority; final String name; public Task(int p, String n) { priority = p; name = n; } public String toString() { return priority + ", " + name; } public int compareTo(Task other) { return priority < other.priority ? -1 : priority > other.priority ? 1 : 0; } public static void main(String[] args) { PriorityQueue<Task> pq = new PriorityQueue<Task>(); pq.add(new Task(3, "Clear drains")); pq.add(new Task(4, "Feed cat")); pq.add(new Task(5, "Make tea")); pq.add(new Task(1, "Solve RC tasks")); pq.add(new Task(2, "Tax return")); while (!pq.isEmpty()) System.out.println(pq.remove()); } }
Convert the following code from Elixir to Python, ensuring the logic remains intact.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>
Transform the following Elixir implementation into Python, maintaining the same output and logic.
defmodule Priority do def create, do: :gb_trees.empty def insert( element, priority, queue ), do: :gb_trees.enter( priority, element, queue ) def peek( queue ) do {_priority, element, _new_queue} = :gb_trees.take_smallest( queue ) element end def task do items = [{3, "Clear drains"}, {4, "Feed cat"}, {5, "Make tea"}, {1, "Solve RC tasks"}, {2, "Tax return"}] queue = Enum.reduce(items, create, fn({priority, element}, acc) -> insert( element, priority, acc ) end) IO.puts "peek priority: Enum.reduce(1..length(items), queue, fn(_n, q) -> write_top( q ) end) end def top( queue ) do {_priority, element, new_queue} = :gb_trees.take_smallest( queue ) {element, new_queue} end defp write_top( q ) do {element, new_queue} = top( q ) IO.puts "top priority: new_queue end end Priority.task
>>> import queue >>> pq = queue.PriorityQueue() >>> for item in ((3, "Clear drains"), (4, "Feed cat"), (5, "Make tea"), (1, "Solve RC tasks"), (2, "Tax return")): pq.put(item) >>> while not pq.empty(): print(pq.get_nowait()) (1, 'Solve RC tasks') (2, 'Tax return') (3, 'Clear drains') (4, 'Feed cat') (5, 'Make tea') >>>