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Find common elements in three sorted array

Here given code implementation process.

// C Program 
// Find common elements in three sorted array
#include <stdio.h>

//Function which is display array elements
void display(int arr[], int size)
{
	for (int i = 0; i < size; ++i)
	{
		printf("  %d", arr[i]);
	}
	printf("\n");
}
//Find common elements in given three arrays
void common_elements(int arr1[], int arr2[], int arr3[], int s1, int s2, int s3)
{
	//Display array elements
	printf("\n Array 1 :");
	display(arr1, s1);
	printf(" Array 2 :");
	display(arr2, s2);
	printf(" Array 3 :");
	display(arr3, s3);
	int status = 0;
	//Loop controlling variables
	int i = 0;
	int j = 0;
	int k = 0;
	printf(" Common element  : ");
	while (i < s1 && j < s2 && k < s3)
	{
		if (arr1[i] == arr2[j] && arr2[j] == arr3[k])
		{
			//When exists common element in given array
			printf(" %d ", arr1[i]);
			i++;
			j++;
			k++;
			status = 1;
		}
		else
		{
			//modify the array index when need
			if (arr1[i] > arr2[j])
			{
				j++;
			}
			else if (arr3[k] > arr2[j])
			{
				j++;
			}
			else if (arr1[i] > arr3[k])
			{
				k++;
			}
			else if (arr2[j] > arr3[k])
			{
				k++;
			}
			else if (arr2[j] > arr1[i])
			{
				i++;
			}
			else if (arr3[k] > arr1[i])
			{
				i++;
			}
		}
	}
	if (status == 0)
	{
		printf(" Not Exist \n");
	}
}
int main()
{
	//Define array of integer elements
	int arr1[] = {
		1 , 9 , 13 , 14
	};
	int arr2[] = {
		-5 , 0 , 1 , 8 , 9 , 13 , 14 , 21
	};
	int arr3[] = {
		0 , 1 , 8 , 9 , 12 , 14 , 21
	};
	//Get the size of array
	int s1 = sizeof(arr1) / sizeof(arr1[0]);
	int s2 = sizeof(arr2) / sizeof(arr2[0]);
	int s3 = sizeof(arr3) / sizeof(arr3[0]);
	common_elements(arr1, arr2, arr3, s1, s2, s3);
	return 0;
}

Output

 Array 1 :  1  9  13  14
 Array 2 :  -5  0  1  8  9  13  14  21
 Array 3 :  0  1  8  9  12  14  21
 Common element  :  1  9  14
// Java Program
// Find common elements in three sorted array
class MyArray
{
	//Function which is display array elements
	public void display(int[] arr, int size)
	{
		for (int i = 0; i < size; ++i)
		{
			System.out.print(" " + arr[i] );
		}
		System.out.print("\n");
	}
	//Find all common elements in given three arrays
	public void common_elements(int[] arr1, int[] arr2, int[] arr3, int s1, int s2, int s3)
	{
		System.out.print("\n Array 1 :");
		display(arr1, s1);
		System.out.print(" Array 2 :");
		display(arr2, s2);
		System.out.print(" Array 3 :");
		display(arr3, s3);
		int status = 0;
		//Loop controlling variables
		int i = 0;
		int j = 0;
		int k = 0;
		System.out.print(" Common element : ");
		while (i < s1 && j < s2 && k < s3)
		{
			if (arr1[i] == arr2[j] && arr2[j] == arr3[k])
			{
				System.out.print(" " + arr1[i] + " ");
				i++;
				j++;
				k++;
				status = 1;
			}
			else
			{
				//Modify the array index [i,j,k] when need
				if (arr1[i] > arr2[j])
				{
					j++;
				}
				else if (arr3[k] > arr2[j])
				{
					j++;
				}
				else if (arr1[i] > arr3[k])
				{
					k++;
				}
				else if (arr2[j] > arr3[k])
				{
					k++;
				}
				else if (arr2[j] > arr1[i])
				{
					i++;
				}
				else if (arr3[k] > arr1[i])
				{
					i++;
				}
			}
		}
		if (status == 0)
		{
			System.out.print(" Not Exist \n");
		}
	}
	public static void main(String[] args)
	{
		MyArray obj = new MyArray();
		//Define array of integer elements
		int[] arr1 = {
			1,
			9,
			13,
			14
		};
		int[] arr2 = {
			-5,
			0,
			1,
			8,
			9,
			13,
			14,
			21
		};
		int[] arr3 = {
			0,
			1,
			8,
			9,
			12,
			14,
			21
		};
		//Get the size of array
		int s1 = arr1.length;
		int s2 = arr2.length;
		int s3 = arr3.length;
		obj.common_elements(arr1, arr2, arr3, s1, s2, s3);
	}
}

Output

 Array 1 : 1 9 13 14
 Array 2 : -5 0 1 8 9 13 14 21
 Array 3 : 0 1 8 9 12 14 21
 Common element :  1  9  14
//Include header file
#include <iostream>

using namespace std;
// C++ Program
// Find common elements in three sorted array
class MyArray
{
	public:
		//Function which is display array elements
		void display(int arr[], int size)
		{
			for (int i = 0; i < size; ++i)
			{
				cout << " " << arr[i];
			}
			cout << "\n";
		}
	//Find all common elements in given three arrays
	void common_elements(int arr1[], int arr2[], int arr3[], int s1, int s2, int s3)
	{
		cout << "\n Array 1 :";
		this->display(arr1, s1);
		cout << " Array 2 :";
		this->display(arr2, s2);
		cout << " Array 3 :";
		this->display(arr3, s3);
		int status = 0;
		//Loop controlling variables
		int i = 0;
		int j = 0;
		int k = 0;
		cout << " Common element : ";
		while (i < s1 && j < s2 && k < s3)
		{
			if (arr1[i] == arr2[j] && arr2[j] == arr3[k])
			{
				cout << " " << arr1[i] << " ";
				i++;
				j++;
				k++;
				status = 1;
			}
			else
			{
				//Modify the array index [i,j,k] when need
				if (arr1[i] > arr2[j])
				{
					j++;
				}
				else if (arr3[k] > arr2[j])
				{
					j++;
				}
				else if (arr1[i] > arr3[k])
				{
					k++;
				}
				else if (arr2[j] > arr3[k])
				{
					k++;
				}
				else if (arr2[j] > arr1[i])
				{
					i++;
				}
				else if (arr3[k] > arr1[i])
				{
					i++;
				}
			}
		}
		if (status == 0)
		{
			cout << " Not Exist \n";
		}
	}
};
int main()
{
	MyArray obj = MyArray();
	int arr1[] = {
		1 , 9 , 13 , 14
	};
	int arr2[] = {
		-5 , 0 , 1 , 8 , 9 , 13 , 14 , 21
	};
	int arr3[] = {
		0 , 1 , 8 , 9 , 12 , 14 , 21
	};
	//Get the size of array
	int s1 = sizeof(arr1) / sizeof(arr1[0]);
	int s2 = sizeof(arr2) / sizeof(arr2[0]);
	int s3 = sizeof(arr3) / sizeof(arr3[0]);
	obj.common_elements(arr1, arr2, arr3, s1, s2, s3);
	return 0;
}

Output

 Array 1 : 1 9 13 14
 Array 2 : -5 0 1 8 9 13 14 21
 Array 3 : 0 1 8 9 12 14 21
 Common element :  1  9  14
//Include namespace system
using System;
// C# Program
// Find common elements in three sorted array
class MyArray
{
	//Function which is display array elements
	public void display(int[] arr, int size)
	{
		for (int i = 0; i < size; ++i)
		{
			Console.Write(" " + arr[i]);
		}
		Console.Write("\n");
	}
	//Find all common elements in given three arrays
	public void common_elements(int[] arr1, int[] arr2, int[] arr3, int s1, int s2, int s3)
	{
		Console.Write("\n Array 1 :");
		display(arr1, s1);
		Console.Write(" Array 2 :");
		display(arr2, s2);
		Console.Write(" Array 3 :");
		display(arr3, s3);
		int status = 0;
		//Loop controlling variables
		int i = 0;
		int j = 0;
		int k = 0;
		Console.Write(" Common element : ");
		while (i < s1 && j < s2 && k < s3)
		{
			if (arr1[i] == arr2[j] && arr2[j] == arr3[k])
			{
				Console.Write(" " + arr1[i] + " ");
				i++;
				j++;
				k++;
				status = 1;
			}
			else
			{
				//Modify the array index [i,j,k] when need
				if (arr1[i] > arr2[j])
				{
					j++;
				}
				else if (arr3[k] > arr2[j])
				{
					j++;
				}
				else if (arr1[i] > arr3[k])
				{
					k++;
				}
				else if (arr2[j] > arr3[k])
				{
					k++;
				}
				else if (arr2[j] > arr1[i])
				{
					i++;
				}
				else if (arr3[k] > arr1[i])
				{
					i++;
				}
			}
		}
		if (status == 0)
		{
			Console.Write(" Not Exist \n");
		}
	}
	public static void Main(String[] args)
	{
		MyArray obj = new MyArray();
		int[] arr1 = {
			1 , 9 , 13 , 14
		};
		int[] arr2 = {
			-5 , 0 , 1 , 8 , 9 , 13 , 14 , 21
		};
		int[] arr3 = {
			0 , 1 , 8 , 9 , 12 , 14 , 21
		};
		//Get the size of array
		int s1 = arr1.Length;
		int s2 = arr2.Length;
		int s3 = arr3.Length;
		obj.common_elements(arr1, arr2, arr3, s1, s2, s3);
	}
}

Output

 Array 1 : 1 9 13 14
 Array 2 : -5 0 1 8 9 13 14 21
 Array 3 : 0 1 8 9 12 14 21
 Common element :  1  9  14
<?php
// Php Program
// Find common elements in three sorted array
class MyArray
{
	//Function which is display array elements
	public	function display( $arr, $size)
	{
		for ($i = 0; $i < $size; ++$i)
		{
			echo " ". $arr[$i];
		}
		echo "\n";
	}
	//Find all common elements in given three arrays
	public	function common_elements( $arr1, $arr2, $arr3, $s1, $s2, $s3)
	{
		echo "\n Array 1 :";
		$this->display($arr1, $s1);
		echo " Array 2 :";
		$this->display($arr2, $s2);
		echo " Array 3 :";
		$this->display($arr3, $s3);
		$status = 0;
		//Loop controlling variables
		$i = 0;
		$j = 0;
		$k = 0;
		echo " Common element : ";
		while ($i < $s1 && $j < $s2 && $k < $s3)
		{
			if ($arr1[$i] == $arr2[$j] && $arr2[$j] == $arr3[$k])
			{
				echo " ". $arr1[$i] ." ";
				$i++;
				$j++;
				$k++;
				$status = 1;
			}
			else
			{
				//Modify the array index [i,j,k] when need
				if ($arr1[$i] > $arr2[$j])
				{
					$j++;
				}
				else if ($arr3[$k] > $arr2[$j])
				{
					$j++;
				}
				else if ($arr1[$i] > $arr3[$k])
				{
					$k++;
				}
				else if ($arr2[$j] > $arr3[$k])
				{
					$k++;
				}
				else if ($arr2[$j] > $arr1[$i])
				{
					$i++;
				}
				else if ($arr3[$k] > $arr1[$i])
				{
					$i++;
				}
			}
		}
		if ($status == 0)
		{
			echo " Not Exist \n";
		}
	}
}

function main()
{
	$obj = new MyArray();
	//Define array of integer elements
	$arr1 = array(1, 9, 13, 14);
	$arr2 = array(-5, 0, 1, 8, 9, 13, 14, 21);
	$arr3 = array(0, 1, 8, 9, 12, 14, 21);
	//Get the size of array
	$s1 = count($arr1);
	$s2 = count($arr2);
	$s3 = count($arr3);
	$obj->common_elements($arr1, $arr2, $arr3, $s1, $s2, $s3);
}
main();

Output

 Array 1 : 1 9 13 14
 Array 2 : -5 0 1 8 9 13 14 21
 Array 3 : 0 1 8 9 12 14 21
 Common element :  1  9  14
// Node Js Program
// Find common elements in three sorted array
class MyArray
{
	//Function which is display array elements
	display(arr, size)
	{
		for (var i = 0; i < size; ++i)
		{
			process.stdout.write(" " + arr[i]);
		}
		process.stdout.write("\n");
	}
	//Find all common elements in given three arrays
	common_elements(arr1, arr2, arr3, s1, s2, s3)
	{
		process.stdout.write("\n Array 1 :");
		this.display(arr1, s1);
		process.stdout.write(" Array 2 :");
		this.display(arr2, s2);
		process.stdout.write(" Array 3 :");
		this.display(arr3, s3);
		var status = 0;
		//Loop controlling variables
		var i = 0;
		var j = 0;
		var k = 0;
		process.stdout.write(" Common element : ");
		while (i < s1 && j < s2 && k < s3)
		{
			if (arr1[i] == arr2[j] && arr2[j] == arr3[k])
			{
				process.stdout.write(" " + arr1[i] + " ");
				i++;
				j++;
				k++;
				status = 1;
			}
			else
			{
				//Modify the array index [i,j,k] when need
				if (arr1[i] > arr2[j])
				{
					j++;
				}
				else if (arr3[k] > arr2[j])
				{
					j++;
				}
				else if (arr1[i] > arr3[k])
				{
					k++;
				}
				else if (arr2[j] > arr3[k])
				{
					k++;
				}
				else if (arr2[j] > arr1[i])
				{
					i++;
				}
				else if (arr3[k] > arr1[i])
				{
					i++;
				}
			}
		}
		if (status == 0)
		{
			process.stdout.write(" Not Exist \n");
		}
	}
}

function main()
{
	var obj = new MyArray();
	//Define array of integer elements
	var arr1 = [1, 9, 13, 14];
	var arr2 = [-5, 0, 1, 8, 9, 13, 14, 21];
	var arr3 = [0, 1, 8, 9, 12, 14, 21];
	//Get the size of array
	var s1 = arr1.length;
	var s2 = arr2.length;
	var s3 = arr3.length;
	obj.common_elements(arr1, arr2, arr3, s1, s2, s3);
}
main();

Output

 Array 1 : 1 9 13 14
 Array 2 : -5 0 1 8 9 13 14 21
 Array 3 : 0 1 8 9 12 14 21
 Common element :  1  9  14
#  Python 3 Program
#  Find common elements in three sorted array
class MyArray :
	# Function which is display array elements
	def display(self, arr, size) :
		i = 0
		while (i < size) :
			print(" ", arr[i], end = "")
			i += 1
		
		print("\n", end = "")
	
	# Find all common elements in given three arrays
	def common_elements(self, arr1, arr2, arr3, s1, s2, s3) :
		print("\n Array 1 :", end = "")
		self.display(arr1, s1)
		print(" Array 2 :", end = "")
		self.display(arr2, s2)
		print(" Array 3 :", end = "")
		self.display(arr3, s3)
		status = 0
		# Loop controlling variables
		i = 0
		j = 0
		k = 0
		print(" Common element : ", end = "")
		while (i < s1 and j < s2 and k < s3) :
			if (arr1[i] == arr2[j] and arr2[j] == arr3[k]) :
				print(" ", arr1[i] ," ", end = "")
				i += 1
				j += 1
				k += 1
				status = 1
			else :
				# Modify the array index [i,j,k] when need
				if (arr1[i] > arr2[j]) :
					j += 1
				
				elif(arr3[k] > arr2[j]) :
					j += 1
				
				elif(arr1[i] > arr3[k]) :
					k += 1
				
				elif(arr2[j] > arr3[k]) :
					k += 1
				
				elif(arr2[j] > arr1[i]) :
					i += 1
				
				elif(arr3[k] > arr1[i]) :
					i += 1
				
			
		
		if (status == 0) :
			print(" Not Exist \n", end = "")
		
	

def main() :
	obj = MyArray()
	# Define array of integer elements
	arr1 = [1, 9, 13, 14]
	arr2 = [-5, 0, 1, 8, 9, 13, 14, 21]
	arr3 = [0, 1, 8, 9, 12, 14, 21]
	# Get the size of array
	s1 = len(arr1)
	s2 = len(arr2)
	s3 = len(arr3)
	obj.common_elements(arr1, arr2, arr3, s1, s2, s3)

if __name__ == "__main__": main()

Output

 Array 1 :  1  9  13  14
 Array 2 :  -5  0  1  8  9  13  14  21
 Array 3 :  0  1  8  9  12  14  21
 Common element :   1    9    14
#  Ruby Program
#  Find common elements in three sorted array
class MyArray

	# Function which is display array elements
	def display(arr, size)
	
		i = 0
		while (i < size)
		
			print(" ", arr[i])
			i += 1
		end
		print("\n")
	end
	# Find all common elements in given three arrays
	def common_elements(arr1, arr2, arr3, s1, s2, s3)
	
		print("\n Array 1 :")
		self.display(arr1, s1)
		print(" Array 2 :")
		self.display(arr2, s2)
		print(" Array 3 :")
		self.display(arr3, s3)
		status = 0
		# Loop controlling variables
		i = 0
		j = 0
		k = 0
		print(" Common element : ")
		while (i < s1 && j < s2 && k < s3)
		
			if (arr1[i] == arr2[j] && arr2[j] == arr3[k])
			
				print(" ", arr1[i] ," ")
				i += 1
				j += 1
				k += 1
				status = 1
			else
			
				# Modify the array index [i,j,k] when need
				if (arr1[i] > arr2[j])
				
					j += 1
				elsif(arr3[k] > arr2[j])
				
					j += 1
				elsif(arr1[i] > arr3[k])
				
					k += 1
				elsif(arr2[j] > arr3[k])
				
					k += 1
				elsif(arr2[j] > arr1[i])
				
					i += 1
				elsif(arr3[k] > arr1[i])
				
					i += 1
				end
			end
		end
		if (status == 0)
		
			print(" Not Exist \n")
		end
	end
end
def main()

	obj = MyArray.new()
	# Define array of integer elements
	arr1 = [1, 9, 13, 14]
	arr2 = [-5, 0, 1, 8, 9, 13, 14, 21]
	arr3 = [0, 1, 8, 9, 12, 14, 21]
	# Get the size of array
	s1 = arr1.length
	s2 = arr2.length
	s3 = arr3.length
	obj.common_elements(arr1, arr2, arr3, s1, s2, s3)
end
main()

Output

 Array 1 : 1 9 13 14
 Array 2 : -5 0 1 8 9 13 14 21
 Array 3 : 0 1 8 9 12 14 21
 Common element :  1  9  14 
// Scala Program
// Find common elements in three sorted array
class MyArray
{
	//Function which is display array elements
	def display(arr: Array[Int], size: Int): Unit = {
		var i: Int = 0;
		while (i < size)
		{
			print(" " + arr(i));
			i += 1;
		}
		print("\n");
	}
	//Find all common elements in given three arrays
	def common_elements(arr1: Array[Int], arr2: Array[Int], arr3: Array[Int], s1: Int, s2: Int, s3: Int): Unit = {
		print("\n Array 1 :");
		display(arr1, s1);
		print(" Array 2 :");
		display(arr2, s2);
		print(" Array 3 :");
		display(arr3, s3);
		var status: Int = 0;
		//Loop controlling variables
		var i: Int = 0;
		var j: Int = 0;
		var k: Int = 0;
		print(" Common element : ");
		while (i < s1 && j < s2 && k < s3)
		{
			if (arr1(i) == arr2(j) && arr2(j) == arr3(k))
			{
				print(" " + arr1(i) + " ");
				i += 1;
				j += 1;
				k += 1;
				status = 1;
			}
			else
			{
				//Modify the array index [i,j,k] when need
				if (arr1(i) > arr2(j))
				{
					j += 1;
				}
				else if (arr3(k) > arr2(j))
				{
					j += 1;
				}
				else if (arr1(i) > arr3(k))
				{
					k += 1;
				}
				else if (arr2(j) > arr3(k))
				{
					k += 1;
				}
				else if (arr2(j) > arr1(i))
				{
					i += 1;
				}
				else if (arr3(k) > arr1(i))
				{
					i += 1;
				}
			}
		}
		if (status == 0)
		{
			print(" Not Exist \n");
		}
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var obj: MyArray = new MyArray();
		//Define array of integer elements
		var arr1: Array[Int] = Array(1, 9, 13, 14);
		var arr2: Array[Int] = Array(-5, 0, 1, 8, 9, 13, 14, 21);
		var arr3: Array[Int] = Array(0, 1, 8, 9, 12, 14, 21);
		//Get the size of array
		var s1: Int = arr1.length;
		var s2: Int = arr2.length;
		var s3: Int = arr3.length;
		obj.common_elements(arr1, arr2, arr3, s1, s2, s3);
	}
}

Output

 Array 1 : 1 9 13 14
 Array 2 : -5 0 1 8 9 13 14 21
 Array 3 : 0 1 8 9 12 14 21
 Common element :  1  9  14
// Swift Program
// Find common elements in three sorted array
class MyArray
{
	//Function which is display array elements
	func display(_ arr: [Int], _ size: Int)
	{
		var i: Int = 0;
		while (i < size)
		{
			print(" ", arr[i], terminator: "");
			i += 1;
		}
		print("\n", terminator: "");
	}
	//Find all common elements in given three arrays
	func common_elements(_ arr1: [Int], _ arr2: [Int], _ arr3: [Int], _ s1: Int, _ s2: Int, _ s3: Int)
	{
		print("\n Array 1 :", terminator: "");
		self.display(arr1, s1);
		print(" Array 2 :", terminator: "");
		self.display(arr2, s2);
		print(" Array 3 :", terminator: "");
		self.display(arr3, s3);
		var status: Int = 0;
		//Loop controlling variables
		var i: Int = 0;
		var j: Int = 0;
		var k: Int = 0;
		print(" Common element : ", terminator: "");
		while (i < s1 && j < s2 && k < s3)
		{
			if (arr1[i] == arr2[j] && arr2[j] == arr3[k])
			{
				print(" ", arr1[i] ," ", terminator: "");
				i += 1;
				j += 1;
				k += 1;
				status = 1;
			}
			else
			{
				//Modify the array index [i,j,k] when need
				if (arr1[i] > arr2[j])
				{
					j += 1;
				}
				else if (arr3[k] > arr2[j])
				{
					j += 1;
				}
				else if (arr1[i] > arr3[k])
				{
					k += 1;
				}
				else if (arr2[j] > arr3[k])
				{
					k += 1;
				}
				else if (arr2[j] > arr1[i])
				{
					i += 1;
				}
				else if (arr3[k] > arr1[i])
				{
					i += 1;
				}
			}
		}
		if (status == 0)
		{
			print(" Not Exist \n", terminator: "");
		}
	}
}
func main()
{
	let obj: MyArray = MyArray();
	//Define array of integer elements
	let arr1: [Int] = [1, 9, 13, 14];
	let arr2: [Int] = [-5, 0, 1, 8, 9, 13, 14, 21];
	let arr3: [Int] = [0, 1, 8, 9, 12, 14, 21];
	//Get the size of array
	let s1: Int = arr1.count;
	let s2: Int = arr2.count;
	let s3: Int = arr3.count;
	obj.common_elements(arr1, arr2, arr3, s1, s2, s3);
}
main();

Output

 Array 1 :  1  9  13  14
 Array 2 :  -5  0  1  8  9  13  14  21
 Array 3 :  0  1  8  9  12  14  21
 Common element :   1    9    14
Last updated on by Kalkicode




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