برعکس کردن یک رشته در زبان های مختلف (پایتون، C++ و …)

#include <iostream>
#include <string>
using namespace std;

int main() {
  string str = "hello world";
  string reversed;
  for(int i = str.length()-1; i>=0; i--) {
    reversed += str[i];
  }
  cout << reversed << endl;
  return 0;
}اجرای کد

#include <stdio.h>
#include <string.h>

int main() {
  char str[] = "hello world";
  int len = strlen(str);
  for (int i = 0; i < len / 2; i++) {
    char temp = str[i];
    str[i] = str[len - i - 1];
    str[len - i - 1] = temp;
  }
  printf("%s\n", str);
  return 0;
}
#include <stdio.h>
#include <string.h>

int main() {
  char str[] = "hello world";
  int len = strlen(str);
  for (int i = 0; i < len / 2; i++) {
    char temp = str[i];
    str[i] = str[len - i - 1];
    str[len - i - 1] = temp;
  }
  printf("%s\n", str);
  return 0;
}
اجرای کد

using System;

class Program {
  static void Main(string[] args) {
    string str = "hello world";
    char[] chars = str.ToCharArray();
    Array.Reverse(chars);
    string reversed = new string(chars);
    Console.WriteLine(reversed);
  }
}
using System;

class Program {
  static void Main(string[] args) {
    string str = "hello world";
    char[] chars = str.ToCharArray();
    Array.Reverse(chars);
    string reversed = new string(chars);
    Console.WriteLine(reversed);
  }
}
اجرای کد

$str = "hello world";
$reversed = strrev($str);
echo $reversed . "\n";
اجرای کد

str = "hello world"
reversed = str[::-1]
print(reversed)اجرای کد

class Main {
  public static void main(String[] args) {
    String str = "hello world";
    StringBuilder sb = new StringBuilder(str);
    String reversed = sb.reverse().toString();
    System.out.println(reversed);
  }
}
class Main {
  public static void main(String[] args) {
    String str = "hello world";
    StringBuilder sb = new StringBuilder(str);
    String reversed = sb.reverse().toString();
    System.out.println(reversed);
  }
}
اجرای کد

let str = "hello world";
let reversed = str.split("").reverse().join("");
console.log(reversed);

package main

import "fmt"

func main() {
  str := "hello world"
  reversed := ""
  for i := len(str) - 1; i >= 0; i-- {
    reversed += string(str[i])
  }
  fmt.Println(reversed)
}
package main

import "fmt"

func main() {
  str := "hello world"
  reversed := ""
  for i := len(str) - 1; i >= 0; i-- {
    reversed += string(str[i])
  }
  fmt.Println(reversed)
}
اجرای کد

fun main() {
  val str = "hello world"
  val reversed = str.reversed()
  println(reversed)
}

let str = "hello world"
let reversed = String(str.reversed())
print(reversed)
let str = "hello world"
let reversed = String(str.reversed())
print(reversed)اجرای کد

fn main() {
    let s = "hello world";
    let reversed = s.chars().rev().collect();
    println!("{}", reversed);
}