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Find unique character in a string

Here given code implementation process.

/*
    C program for
    Find unique character in a string
*/
#include <stdio.h>
#include <string.h>

void findUniqueChar(char *text)
{
	int n = strlen(text);
	if (n == 0)
	{
		return;
	}
	printf("\n Given Text : %s \n", text);
	int result = 0;
	int record[256];
	// Set initial count of character record
	for (int i = 0; i < 256; ++i)
	{
		record[i] = 0;
	}
	// Count frequency of character element
	for (int i = 0; i < n; ++i)
	{
		record[text[i]] = record[text[i]] + 1;
	}
	for (int i = 0; i < n; ++i)
	{
		if (record[text[i]] == 1)
		{
			// When [i] location character appears  once
			printf("  %c", text[i]);
			result = 1;
		}
	}
	if (result == 0)
	{
		printf(" No result");
	}
}
int main(int argc, char const *argv[])
{
	// Given Sting text
	char *text1 = "office";
	char *text2 = "error";
	char *text3 = "xxxx";
	// Test
	findUniqueChar(text1);
	findUniqueChar(text2);
	findUniqueChar(text3);
	return 0;
}

Output

 Given Text : office
  o  i  c  e
 Given Text : error
  e  o
 Given Text : xxxx
 No result
/*
    Java program for
    Find unique character in a string
*/
public class NonRepetitive
{
	public void findUniqueChar(String text)
	{
		int n = text.length();
		if (n == 0)
		{
			return;
		}
		System.out.println("\n Given Text : " + text);
		boolean result = false;
		int[] record = new int[256];
		// Set initial count of character record
		for (int i = 0; i < 256; ++i)
		{
			record[i] = 0;
		}
		// Count frequency of character element
		for (int i = 0; i < n; ++i)
		{
			record[text.charAt(i)] = record[text.charAt(i)] + 1;
		}
		for (int i = 0; i < n; ++i)
		{
			if (record[text.charAt(i)] == 1)
			{
				// When [i] location character appears  once
				System.out.print(" " + text.charAt(i));
				result = true;
			}
		}
		if (result == false)
		{
			System.out.print(" No result");
		}
	}
	public static void main(String[] args)
	{
		NonRepetitive task = new NonRepetitive();
		// Given Sting text
		String text1 = "office";
		String text2 = "error";
		String text3 = "xxxx";
		// Test
		task.findUniqueChar(text1);
		task.findUniqueChar(text2);
		task.findUniqueChar(text3);
	}
}

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
// Include header file
#include <iostream>
#include <string>

using namespace std;
/*
    C++ program for
    Find unique character in a string
*/
class NonRepetitive
{
	public: void findUniqueChar(string text)
	{
		int n = text.length();
		if (n == 0)
		{
			return;
		}
		cout << "\n Given Text : " << text << endl;
		bool result = false;
		int record[256];
		// Set initial count of character record
		for (int i = 0; i < 256; ++i)
		{
			record[i] = 0;
		}
		// Count frequency of character element
		for (int i = 0; i < n; ++i)
		{
			record[text[i]] = record[text[i]] + 1;
		}
		for (int i = 0; i < n; ++i)
		{
			if (record[text[i]] == 1)
			{
				// When [i] location character appears  once
				cout << " " << text[i];
				result = true;
			}
		}
		if (result == false)
		{
			cout << " No result";
		}
	}
};
int main()
{
	NonRepetitive *task = new NonRepetitive();
	// Given Sting text
	string text1 = "office";
	string text2 = "error";
	string text3 = "xxxx";
	// Test
	task->findUniqueChar(text1);
	task->findUniqueChar(text2);
	task->findUniqueChar(text3);
	return 0;
}

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
// Include namespace system
using System;
/*
    Csharp program for
    Find unique character in a string
*/
public class NonRepetitive
{
	public void findUniqueChar(String text)
	{
		int n = text.Length;
		if (n == 0)
		{
			return;
		}
		Console.WriteLine("\n Given Text : " + text);
		Boolean result = false;
		int[] record = new int[256];
		// Set initial count of character record
		for (int i = 0; i < 256; ++i)
		{
			record[i] = 0;
		}
		// Count frequency of character element
		for (int i = 0; i < n; ++i)
		{
			record[text[i]] = record[text[i]] + 1;
		}
		for (int i = 0; i < n; ++i)
		{
			if (record[text[i]] == 1)
			{
				// When [i] location character appears  once
				Console.Write(" " + text[i]);
				result = true;
			}
		}
		if (result == false)
		{
			Console.Write(" No result");
		}
	}
	public static void Main(String[] args)
	{
		NonRepetitive task = new NonRepetitive();
		// Given Sting text
		String text1 = "office";
		String text2 = "error";
		String text3 = "xxxx";
		// Test
		task.findUniqueChar(text1);
		task.findUniqueChar(text2);
		task.findUniqueChar(text3);
	}
}

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
package main
import "fmt"
/*
    Go program for
    Find unique character in a string
*/

func  findUniqueChar(text string) {
	var n int = len(text)
	if n == 0 {
		return
	}
	fmt.Println("\n Given Text : ", text)
	var result bool = false
	var record = make([] int,256)
	// Count frequency of character element
	for i := 0 ; i < n ; i++ {
		record[text[i]] = record[text[i]] + 1
	}
	for i := 0 ; i < n ; i++ {
		if record[text[i]] == 1 {
			// When [i] location character appears  once
			fmt.Printf(" %c", text[i])
			result = true
		}
	}
	if result == false {
		fmt.Print(" No result")
	}
}
func main() {

	// Given Sting text
	var text1 string = "office"
	var text2 string = "error"
	var text3 string = "xxxx"
	// Test
	findUniqueChar(text1)
	findUniqueChar(text2)
	findUniqueChar(text3)
}

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
<?php
/*
    Php program for
    Find unique character in a string
*/
class NonRepetitive
{
	public	function findUniqueChar($text)
	{
		$n = strlen($text);
		if ($n == 0)
		{
			return;
		}
		echo("\n Given Text : ".$text."\n");
		$result = false;
		$record = array_fill(0, 256, 0);
		// Count frequency of character element
		for ($i = 0; $i < $n; ++$i)
		{
			$record[ord($text[$i])] = $record[ord($text[$i])] + 1;
		}
		for ($i = 0; $i < $n; ++$i)
		{
			if ($record[ord($text[$i])] == 1)
			{
				// When [i] location character appears  once
				echo(" ".$text[$i]);
				$result = true;
			}
		}
		if ($result == false)
		{
			echo(" No result");
		}
	}
}

function main()
{
	$task = new NonRepetitive();
	// Given Sting text
	$text1 = "office";
	$text2 = "error";
	$text3 = "xxxx";
	// Test
	$task->findUniqueChar($text1);
	$task->findUniqueChar($text2);
	$task->findUniqueChar($text3);
}
main();

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
/*
    Node JS program for
    Find unique character in a string
*/
class NonRepetitive
{
	findUniqueChar(text)
	{
		var n = text.length;
		if (n == 0)
		{
			return;
		}
		console.log("\n Given Text : " + text);
		var result = false;
		var record = Array(256).fill(0);
		// Count frequency of character element
		for (var i = 0; i < n; ++i)
		{
			record[text.charCodeAt(i)] = record[text.charCodeAt(i)] + 1;
		}
		for (var i = 0; i < n; ++i)
		{
			if (record[text.charCodeAt(i)] == 1)
			{
				// When [i] location character appears  once
				process.stdout.write(" " + text.charAt(i));
				result = true;
			}
		}
		if (result == false)
		{
			process.stdout.write(" No result");
		}
	}
}

function main()
{
	var task = new NonRepetitive();
	// Given Sting text
	var text1 = "office";
	var text2 = "error";
	var text3 = "xxxx";
	// Test
	task.findUniqueChar(text1);
	task.findUniqueChar(text2);
	task.findUniqueChar(text3);
}
main();

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
#    Python 3 program for
#    Find unique character in a string
class NonRepetitive :
	def findUniqueChar(self, text) :
		n = len(text)
		if (n == 0) :
			return
		
		print("\n Given Text : ", text)
		result = False
		record = [0] * (256)
		i = 0
		#  Count frequency of character element
		while (i < n) :
			record[ord(text[i])] = record[ord(text[i])] + 1
			i += 1
		
		i = 0
		while (i < n) :
			if (record[ord(text[i])] == 1) :
				#  When [i] location character appears  once
				print(" ", text[i], end = "")
				result = True
			
			i += 1
		
		if (result == False) :
			print(" No result", end = "")
		
	

def main() :
	task = NonRepetitive()
	#  Given Sting text
	text1 = "office"
	text2 = "error"
	text3 = "xxxx"
	#  Test
	task.findUniqueChar(text1)
	task.findUniqueChar(text2)
	task.findUniqueChar(text3)

if __name__ == "__main__": main()

Output

 Given Text :  office
  o  i  c  e
 Given Text :  error
  e  o
 Given Text :  xxxx
 No result
#    Ruby program for
#    Find unique character in a string
class NonRepetitive 
	def findUniqueChar(text) 
		n = text.length
		if (n == 0) 
			return
		end

		print("\n Given Text : ", text, "\n")
		result = false
		record = Array.new(256) {0}
		i = 0
		#  Count frequency of character element
		while (i < n) 
			record[text[i].ord] = record[text[i].ord] + 1
			i += 1
		end

		i = 0
		while (i < n) 
			if (record[text[i].ord] == 1) 
				#  When [i] location character appears  once
				print(" ", text[i])
				result = true
			end

			i += 1
		end

		if (result == false) 
			print(" No result")
		end

	end

end

def main() 
	task = NonRepetitive.new()
	#  Given Sting text
	text1 = "office"
	text2 = "error"
	text3 = "xxxx"
	#  Test
	task.findUniqueChar(text1)
	task.findUniqueChar(text2)
	task.findUniqueChar(text3)
end

main()

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
import scala.collection.mutable._;
/*
    Scala program for
    Find unique character in a string
*/
class NonRepetitive()
{
	def findUniqueChar(text: String): Unit = {
		var n: Int = text.length();
		if (n == 0)
		{
			return;
		}
		println("\n Given Text : " + text);
		var result: Boolean = false;
		var record: Array[Int] = Array.fill[Int](256)(0);
		var i: Int = 0;
		// Count frequency of character element
		while (i < n)
		{
			record(text.charAt(i)) = record(text.charAt(i)) + 1;
			i += 1;
		}
		i = 0;
		while (i < n)
		{
			if (record(text.charAt(i)) == 1)
			{
				// When [i] location character appears  once
				print(" " + text.charAt(i));
				result = true;
			}
			i += 1;
		}
		if (result == false)
		{
			print(" No result");
		}
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var task: NonRepetitive = new NonRepetitive();
		// Given Sting text
		var text1: String = "office";
		var text2: String = "error";
		var text3: String = "xxxx";
		// Test
		task.findUniqueChar(text1);
		task.findUniqueChar(text2);
		task.findUniqueChar(text3);
	}
}

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
import Foundation;
/*
    Swift 4 program for
    Find unique character in a string
*/
class NonRepetitive
{
	func findUniqueChar(_ data: String)
	{   
		let n: Int = data.count;
		if (n == 0)
		{
			return;
		}
		print("\n Given Text : ", data);
      	let text = Array(data);
		var result: Bool = false;
		var record: [Int] = Array(repeating: 0, count: 256);
		var i: Int = 0;
      	var index = 0;
		// Count frequency of character element
		while (i < n)
		{
			index = Int(UnicodeScalar(String(text[i]))!.value);
          	record[index] = record[index] + 1;
			i += 1;
		}
		i = 0;
		while (i < n)
		{
          	index = Int(UnicodeScalar(String(text[i]))!.value);
			if (record[index] == 1)
			{
				// When [i] location character appears  once
				print(" ", text[i], terminator: "");
				result = true;
			}
			i += 1;
		}
		if (result == false)
		{
			print(" No result", terminator: "");
		}
	}
}
func main()
{
	let task: NonRepetitive = NonRepetitive();
	// Given Sting text
	let text1: String = "office";
	let text2: String = "error";
	let text3: String = "xxxx";
	// Test
	task.findUniqueChar(text1);
	task.findUniqueChar(text2);
	task.findUniqueChar(text3);
}
main();

Output

 Given Text :  office
  o  i  c  e
 Given Text :  error
  e  o
 Given Text :  xxxx
 No result
/*
    Kotlin program for
    Find unique character in a string
*/
class NonRepetitive
{
	fun findUniqueChar(text: String): Unit
	{
		val n: Int = text.length;
		if (n == 0)
		{
			return;
		}
		println("\n Given Text : " + text);
		var result: Boolean = false;
		val record: Array < Int > = Array(256)
		{
			0
		};
		var i: Int = 0;
		// Count frequency of character element
		while (i < n)
		{
			record[text.get(i).toInt()] = record[text.get(i).toInt()] + 1;
			i += 1;
		}
		i = 0;
		while (i < n)
		{
			if (record[text.get(i).toInt()] == 1)
			{
				// When [i] location character appears  once
				print(" " + text.get(i));
				result = true;
			}
			i += 1;
		}
		if (result == false)
		{
			print(" No result");
		}
	}
}
fun main(args: Array < String > ): Unit
{
	val task: NonRepetitive = NonRepetitive();
	// Given Sting text
	val text1: String = "office";
	val text2: String = "error";
	val text3: String = "xxxx";
	// Test
	task.findUniqueChar(text1);
	task.findUniqueChar(text2);
	task.findUniqueChar(text3);
}

Output

 Given Text : office
 o i c e
 Given Text : error
 e o
 Given Text : xxxx
 No result
Last updated on by Kalkicode




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