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Code String

Minimum number of append character needed to make a string palindrome

Here given code implementation process.

/*
  Java program for
  Minimum number of append character needed to make a string palindrome
*/
public class Palindrome
{
	// Check that suffix of string is part of palindrome or not
	public boolean isSuffixPalindrome(String text, int s, int e)
	{
		int i = s;
		int j = e;
		while (i < j)
		{
			if (text.charAt(i) != text.charAt(j))
			{
				// When not a palindrome
				return false;
			}
			i++;
			j--;
		}
		// When yes
		return true;
	}
	public void makePalindromeByAppend(String text)
	{
		if (text.length() == 0)
		{
			return;
		}
		int count = -1;
		// Get the length of text
		int n = text.length();
		// Executing this loop through by size of text length
		for (int i = 0; i < n && count == -1; ++i)
		{
			if (text.charAt(i) == text.charAt(n - 1) && 
                isSuffixPalindrome(text, i, n - 1))
			{
				// When suffix i..n is palindrome
				count = i;
			}
		}
		// Display given text
		System.out.println(" Given Text : " + text);
		System.out.println(" Need to append " + count + " characters");
	}
	public static void main(String[] args)
	{
		Palindrome task = new Palindrome();
		// Test Inputs
		// Case A
		// Text : 123443
		//  12  3443 21  [Add 21 at end] 
		// 12344321 => palindrome
		// Result : 2
		task.makePalindromeByAppend("123443");
		// Case B
		// Text : faafcdc
		// faaf cdc faaf [Add faaf at end]
		// faafcdcfaaf => palindrome
		// Result : 4
		task.makePalindromeByAppend("faafcdc");
		// Case C
		// Text : 121
		// 121 it's already palindrome
		// Result : 0
		task.makePalindromeByAppend("121");
		// Case D
		// Text : 1236
		// 123 6 321 
		// Result : 3
		task.makePalindromeByAppend("1236");
	}
}

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters
// Include header file
#include <iostream>
#include <string>

using namespace std;
/*
  C++ program for
  Minimum number of append character needed to make a string palindrome
*/
class Palindrome
{
	public:
		// Check that suffix of string is part of palindrome or not
		bool isSuffixPalindrome(string text, int s, int e)
		{
			int i = s;
			int j = e;
			while (i < j)
			{
				if (text[i] != text[j])
				{
					// When not a palindrome
					return false;
				}
				i++;
				j--;
			}
			// When yes
			return true;
		}
	void makePalindromeByAppend(string text)
	{
		if (text.length() == 0)
		{
			return;
		}
		int count = -1;
		// Get the length of text
		int n = text.length();
		// Executing this loop through by size of text length
		for (int i = 0; i < n && count == -1; ++i)
		{
			if (text[i] == text[n - 1] && 
                this->isSuffixPalindrome(text, i, n - 1))
			{
				// When suffix i..n is palindrome
				count = i;
			}
		}
		// Display given text
		cout << " Given Text : " << text << endl;
		cout << " Need to append " << count << " characters" << endl;
	}
};
int main()
{
	Palindrome *task = new Palindrome();
	// Test Inputs
	// Case A
	// Text : 123443
	//  12  3443 21  [Add 21 at end] 
	// 12344321 => palindrome
	// Result : 2
	task->makePalindromeByAppend("123443");
	// Case B
	// Text : faafcdc
	// faaf cdc faaf [Add faaf at end]
	// faafcdcfaaf => palindrome
	// Result : 4
	task->makePalindromeByAppend("faafcdc");
	// Case C
	// Text : 121
	// 121 it's already palindrome
	// Result : 0
	task->makePalindromeByAppend("121");
	// Case D
	// Text : 1236
	// 123 6 321 
	// Result : 3
	task->makePalindromeByAppend("1236");
	return 0;
}

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters
// Include namespace system
using System;
/*
  Csharp program for
  Minimum number of append character needed to make a string palindrome
*/
public class Palindrome
{
	// Check that suffix of string is part of palindrome or not
	public Boolean isSuffixPalindrome(String text, int s, int e)
	{
		int i = s;
		int j = e;
		while (i < j)
		{
			if (text[i] != text[j])
			{
				// When not a palindrome
				return false;
			}
			i++;
			j--;
		}
		// When yes
		return true;
	}
	public void makePalindromeByAppend(String text)
	{
		if (text.Length == 0)
		{
			return;
		}
		int count = -1;
		// Get the length of text
		int n = text.Length;
		// Executing this loop through by size of text length
		for (int i = 0; i < n && count == -1; ++i)
		{
			if (text[i] == text[n - 1] && 
                this.isSuffixPalindrome(text, i, n - 1))
			{
				// When suffix i..n is palindrome
				count = i;
			}
		}
		// Display given text
		Console.WriteLine(" Given Text : " + text);
		Console.WriteLine(" Need to append " + count + " characters");
	}
	public static void Main(String[] args)
	{
		Palindrome task = new Palindrome();
		// Test Inputs
		// Case A
		// Text : 123443
		//  12  3443 21  [Add 21 at end] 
		// 12344321 => palindrome
		// Result : 2
		task.makePalindromeByAppend("123443");
		// Case B
		// Text : faafcdc
		// faaf cdc faaf [Add faaf at end]
		// faafcdcfaaf => palindrome
		// Result : 4
		task.makePalindromeByAppend("faafcdc");
		// Case C
		// Text : 121
		// 121 it's already palindrome
		// Result : 0
		task.makePalindromeByAppend("121");
		// Case D
		// Text : 1236
		// 123 6 321 
		// Result : 3
		task.makePalindromeByAppend("1236");
	}
}

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters
package main
import "fmt"
/*
  Go program for
  Minimum number of append character needed to make a string palindrome
*/
// Check that suffix of string is part of palindrome or not
func isSuffixPalindrome(text string, s int, e int) bool {
	var i int = s
	var j int = e
	for (i < j) {
		if text[i] != text[j] {
			// When not a palindrome
			return false
		}
		i++
		j--
	}
	// When yes
	return true
}
func makePalindromeByAppend(text string) {
	if len(text) == 0 {
		return
	}
	var count int = -1
	// Get the length of text
	var n int = len(text)
	// Executing this loop through by size of text length
	for i := 0 ; i < n && count == -1 ; i++ {
		if text[i] == text[n - 1] && isSuffixPalindrome(text, i, n - 1) {
			// When suffix i..n is palindrome
			count = i
		}
	}
	// Display given text
	fmt.Println(" Given Text : ", text)
	fmt.Println(" Need to append ", count, " characters")
}
func main() {
	
	// Test Inputs
	// Case A
	// Text : 123443
	//  12  3443 21  [Add 21 at end] 
	// 12344321 => palindrome
	// Result : 2
	makePalindromeByAppend("123443")
	// Case B
	// Text : faafcdc
	// faaf cdc faaf [Add faaf at end]
	// faafcdcfaaf => palindrome
	// Result : 4
	makePalindromeByAppend("faafcdc")
	// Case C
	// Text : 121
	// 121 it's already palindrome
	// Result : 0
	makePalindromeByAppend("121")
	// Case D
	// Text : 1236
	// 123 6 321 
	// Result : 3
	makePalindromeByAppend("1236")
}

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters
<?php
/*
  Php program for
  Minimum number of append character needed to make a string palindrome
*/
class Palindrome
{
	// Check that suffix of string is part of palindrome or not
	public	function isSuffixPalindrome($text, $s, $e)
	{
		$i = $s;
		$j = $e;
		while ($i < $j)
		{
			if ($text[$i] != $text[$j])
			{
				// When not a palindrome
				return false;
			}
			$i++;
			$j--;
		}
		// When yes
		return true;
	}
	public	function makePalindromeByAppend($text)
	{
		if (strlen($text) == 0)
		{
			return;
		}
		$count = -1;
		// Get the length of text
		$n = strlen($text);
		// Executing this loop through by size of text length
		for ($i = 0; $i < $n && $count == -1; ++$i)
		{
			if ($text[$i] == $text[$n - 1] && 
                $this->isSuffixPalindrome($text, $i, $n - 1))
			{
				// When suffix i..n is palindrome
				$count = $i;
			}
		}
		// Display given text
		echo(" Given Text : ".$text."\n");
		echo(" Need to append ".$count." characters\n");
	}
}

function main()
{
	$task = new Palindrome();
	// Test Inputs
	// Case A
	// Text : 123443
	//  12  3443 21  [Add 21 at end] 
	// 12344321 => palindrome
	// Result : 2
	$task->makePalindromeByAppend("123443");
	// Case B
	// Text : faafcdc
	// faaf cdc faaf [Add faaf at end]
	// faafcdcfaaf => palindrome
	// Result : 4
	$task->makePalindromeByAppend("faafcdc");
	// Case C
	// Text : 121
	// 121 it's already palindrome
	// Result : 0
	$task->makePalindromeByAppend("121");
	// Case D
	// Text : 1236
	// 123 6 321 
	// Result : 3
	$task->makePalindromeByAppend("1236");
}
main();

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters
/*
  Node JS program for
  Minimum number of append character needed to make a string palindrome
*/
class Palindrome
{
	// Check that suffix of string is part of palindrome or not
	isSuffixPalindrome(text, s, e)
	{
		var i = s;
		var j = e;
		while (i < j)
		{
			if (text.charAt(i) != text.charAt(j))
			{
				// When not a palindrome
				return false;
			}
			i++;
			j--;
		}
		// When yes
		return true;
	}
	makePalindromeByAppend(text)
	{
		if (text.length == 0)
		{
			return;
		}
		var count = -1;
		// Get the length of text
		var n = text.length;
		// Executing this loop through by size of text length
		for (var i = 0; i < n && count == -1; ++i)
		{
			if (text.charAt(i) == text.charAt(n - 1) && 
                this.isSuffixPalindrome(text, i, n - 1))
			{
				// When suffix i..n is palindrome
				count = i;
			}
		}
		// Display given text
		console.log(" Given Text : " + text);
		console.log(" Need to append " + count + " characters");
	}
}

function main()
{
	var task = new Palindrome();
	// Test Inputs
	// Case A
	// Text : 123443
	//  12  3443 21  [Add 21 at end] 
	// 12344321 => palindrome
	// Result : 2
	task.makePalindromeByAppend("123443");
	// Case B
	// Text : faafcdc
	// faaf cdc faaf [Add faaf at end]
	// faafcdcfaaf => palindrome
	// Result : 4
	task.makePalindromeByAppend("faafcdc");
	// Case C
	// Text : 121
	// 121 it's already palindrome
	// Result : 0
	task.makePalindromeByAppend("121");
	// Case D
	// Text : 1236
	// 123 6 321 
	// Result : 3
	task.makePalindromeByAppend("1236");
}
main();

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters
#  Python 3 program for
#  Minimum number of append character needed to make a string palindrome
class Palindrome :
	#  Check that suffix of string is part of palindrome or not
	def isSuffixPalindrome(self, text, s, e) :
		i = s
		j = e
		while (i < j) :
			if (text[i] != text[j]) :
				#  When not a palindrome
				return False
			
			i += 1
			j -= 1
		
		#  When yes
		return True
	
	def makePalindromeByAppend(self, text) :
		if (len(text) == 0) :
			return
		
		count = -1
		#  Get the length of text
		n = len(text)
		i = 0
		#  Executing this loop through by size of text length
		while (i < n and count == -1) :
			if (text[i] == text[n - 1] and 
                self.isSuffixPalindrome(text, i, n - 1)) :
				#  When suffix i..n is palindrome
				count = i
			
			i += 1
		
		#  Display given text
		print(" Given Text : ", text)
		print(" Need to append ", count ," characters")
	

def main() :
	task = Palindrome()
	#  Test Inputs
	#  Case A
	#  Text : 123443
	#   12  3443 21  [Add 21 at end] 
	#  12344321 => palindrome
	#  Result : 2
	task.makePalindromeByAppend("123443")
	#  Case B
	#  Text : faafcdc
	#  faaf cdc faaf [Add faaf at end]
	#  faafcdcfaaf => palindrome
	#  Result : 4
	task.makePalindromeByAppend("faafcdc")
	#  Case C
	#  Text : 121
	#  121 it's already palindrome
	#  Result : 0
	task.makePalindromeByAppend("121")
	#  Case D
	#  Text : 1236
	#  123 6 321 
	#  Result : 3
	task.makePalindromeByAppend("1236")

if __name__ == "__main__": main()

Output

 Given Text :  123443
 Need to append  2  characters
 Given Text :  faafcdc
 Need to append  4  characters
 Given Text :  121
 Need to append  0  characters
 Given Text :  1236
 Need to append  3  characters
#  Ruby program for
#  Minimum number of append character needed to make a string palindrome
class Palindrome 
	#  Check that suffix of string is part of palindrome or not
	def isSuffixPalindrome(text, s, e) 
		i = s
		j = e
		while (i < j) 
			if (text[i] != text[j]) 
				#  When not a palindrome
				return false
			end

			i += 1
			j -= 1
		end

		#  When yes
		return true
	end

	def makePalindromeByAppend(text) 
		if (text.length == 0) 
			return
		end

		count = -1
		#  Get the length of text
		n = text.length
		i = 0
		#  Executing this loop through by size of text length
		while (i < n && count == -1) 
			if (text[i] == text[n - 1] && 
                self.isSuffixPalindrome(text, i, n - 1)) 
				#  When suffix i..n is palindrome
				count = i
			end

			i += 1
		end

		#  Display given text
		print(" Given Text : ", text, "\n")
		print(" Need to append ", count ," characters", "\n")
	end

end

def main() 
	task = Palindrome.new()
	#  Test Inputs
	#  Case A
	#  Text : 123443
	#   12  3443 21  [Add 21 at end] 
	#  12344321 => palindrome
	#  Result : 2
	task.makePalindromeByAppend("123443")
	#  Case B
	#  Text : faafcdc
	#  faaf cdc faaf [Add faaf at end]
	#  faafcdcfaaf => palindrome
	#  Result : 4
	task.makePalindromeByAppend("faafcdc")
	#  Case C
	#  Text : 121
	#  121 it's already palindrome
	#  Result : 0
	task.makePalindromeByAppend("121")
	#  Case D
	#  Text : 1236
	#  123 6 321 
	#  Result : 3
	task.makePalindromeByAppend("1236")
end

main()

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters

import scala.collection.mutable._;
/*
  Scala program for
  Minimum number of append character needed to make a string palindrome
*/
class Palindrome()
{
	// Check that suffix of string is part of palindrome or not
	def isSuffixPalindrome(text: String, s: Int, e: Int): Boolean = {
		var i: Int = s;
		var j: Int = e;
		while (i < j)
		{
			if (text.charAt(i) != text.charAt(j))
			{
				// When not a palindrome
				return false;
			}
			i += 1;
			j -= 1;
		}
		// When yes
		return true;
	}
	def makePalindromeByAppend(text: String): Unit = {
		if (text.length() == 0)
		{
			return;
		}
		var count: Int = -1;
		// Get the length of text
		var n: Int = text.length();
		var i: Int = 0;
		// Executing this loop through by size of text length
		while (i < n && count == -1)
		{
			if (text.charAt(i) == text.charAt(n - 1) && 
                isSuffixPalindrome(text, i, n - 1))
			{
				// When suffix i..n is palindrome
				count = i;
			}
			i += 1;
		}
		// Display given text
		println(" Given Text : " + text);
		println(" Need to append " + count + " characters");
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var task: Palindrome = new Palindrome();
		// Test Inputs
		// Case A
		// Text : 123443
		//  12  3443 21  [Add 21 at end] 
		// 12344321 => palindrome
		// Result : 2
		task.makePalindromeByAppend("123443");
		// Case B
		// Text : faafcdc
		// faaf cdc faaf [Add faaf at end]
		// faafcdcfaaf => palindrome
		// Result : 4
		task.makePalindromeByAppend("faafcdc");
		// Case C
		// Text : 121
		// 121 it's already palindrome
		// Result : 0
		task.makePalindromeByAppend("121");
		// Case D
		// Text : 1236
		// 123 6 321 
		// Result : 3
		task.makePalindromeByAppend("1236");
	}
}

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters
import Foundation;
/*
  Swift 4 program for
  Minimum number of append character needed to make a string palindrome
*/
class Palindrome
{
	// Check that suffix of string is part of palindrome or not
	func isSuffixPalindrome(_ text: [Character], _ s: Int, _ e: Int) -> Bool
	{
		var i: Int = s;
		var j: Int = e;
		while (i < j)
		{
			if (text[i]  != text[j])
			{
				// When not a palindrome
				return false;
			}
			i += 1;
			j -= 1;
		}
		// When yes
		return true;
	}
	func makePalindromeByAppend(_ data: String)
	{
		if (data.count == 0)
		{
			return;
		}
		var count: Int = -1;
		// Get the length of text
		let n: Int = data.count;
		var i: Int = 0;
      	let text = Array(data);
		// Executing this loop through by size of text length
		while (i < n && count == -1)
		{
			if (text[i] == text[n - 1] && 
                self.isSuffixPalindrome(text, i, n - 1))
			{
				// When suffix i..n is palindrome
				count = i;
			}
			i += 1;
		}
		// Display given text
		print(" Given Text : ", data);
		print(" Need to append ", count ," characters");
	}
}
func main()
{
	let task: Palindrome = Palindrome();
	// Test Inputs
	// Case A
	// Text : 123443
	//  12  3443 21  [Add 21 at end] 
	// 12344321 => palindrome
	// Result : 2
	task.makePalindromeByAppend("123443");
	// Case B
	// Text : faafcdc
	// faaf cdc faaf [Add faaf at end]
	// faafcdcfaaf => palindrome
	// Result : 4
	task.makePalindromeByAppend("faafcdc");
	// Case C
	// Text : 121
	// 121 it's already palindrome
	// Result : 0
	task.makePalindromeByAppend("121");
	// Case D
	// Text : 1236
	// 123 6 321 
	// Result : 3
	task.makePalindromeByAppend("1236");
}
main();

Output

 Given Text :  123443
 Need to append  2  characters
 Given Text :  faafcdc
 Need to append  4  characters
 Given Text :  121
 Need to append  0  characters
 Given Text :  1236
 Need to append  3  characters
/*
  Kotlin program for
  Minimum number of append character needed to make a string palindrome
*/
class Palindrome
{
	// Check that suffix of string is part of palindrome or not
	fun isSuffixPalindrome(text: String, s: Int, e: Int): Boolean
	{
		var i: Int = s;
		var j: Int = e;
		while (i < j)
		{
			if (text.get(i) != text.get(j))
			{
				// When not a palindrome
				return false;
			}
			i += 1;
			j -= 1;
		}
		// When yes
		return true;
	}
	fun makePalindromeByAppend(text: String): Unit
	{
		if (text.length == 0)
		{
			return;
		}
		var count: Int = -1;
		// Get the length of text
		val n: Int = text.length;
		var i: Int = 0;
		// Executing this loop through by size of text length
		while (i < n && count == -1)
		{
			if (text.get(i) == text.get(n - 1) && 
                this.isSuffixPalindrome(text, i, n - 1))
			{
				// When suffix i..n is palindrome
				count = i;
			}
			i += 1;
		}
		// Display given text
		println(" Given Text : " + text);
		println(" Need to append " + count + " characters");
	}
}
fun main(args: Array < String > ): Unit
{
	val task: Palindrome = Palindrome();
	// Test Inputs
	// Case A
	// Text : 123443
	//  12  3443 21  [Add 21 at end] 
	// 12344321 => palindrome
	// Result : 2
	task.makePalindromeByAppend("123443");
	// Case B
	// Text : faafcdc
	// faaf cdc faaf [Add faaf at end]
	// faafcdcfaaf => palindrome
	// Result : 4
	task.makePalindromeByAppend("faafcdc");
	// Case C
	// Text : 121
	// 121 it's already palindrome
	// Result : 0
	task.makePalindromeByAppend("121");
	// Case D
	// Text : 1236
	// 123 6 321 
	// Result : 3
	task.makePalindromeByAppend("1236");
}

Output

 Given Text : 123443
 Need to append 2 characters
 Given Text : faafcdc
 Need to append 4 characters
 Given Text : 121
 Need to append 0 characters
 Given Text : 1236
 Need to append 3 characters

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