# Find fixed point in array

Here given code implementation process.

``````// C Program
// Find fixed point in 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 the fixed point in array
void find_fixed_point(int arr[], int size)
{
int location = -1;
for (int i = 0; i < size && location == -1; ++i)
{
if (i == arr[i])
{
//When get fixed point
location = i;
}
}
printf("\n Array element : ");
display(arr, size);
if (location == -1)
{
//When no fixed point exists
printf(" Fixed point not exists\n");
}
else
{
printf(" Fixed point is %d\n", location);
}
}
int main()
{
int arr1[] = {
8 , 3 , 1 , 6 , 4
};
//Get the size of array
int size = sizeof(arr1) / sizeof(arr1[0]);
find_fixed_point(arr1, size);
int arr2[] = {
4 , 2 , 7 , 9 , 2 , 9 , 1
};
//Get the size of array
size = sizeof(arr2) / sizeof(arr2[0]);
find_fixed_point(arr2, size);
//When more than 2 fixed point exist
int arr3[] = {
4 , 1 , 7 , 9 , 2 , 5 , 1
};
//Get the size of array
size = sizeof(arr3) / sizeof(arr3[0]);
find_fixed_point(arr3, size);
return 0;
}``````

#### Output

`````` Array element : 8 3 1 6 4
Fixed point is 4

Array element : 4 2 7 9 2 9 1
Fixed point not exists

Array element : 4 1 7 9 2 5 1
Fixed point is 1``````
``````// Java Program
// Find fixed point in 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 the fixed point in array
public void find_fixed_point(int[] arr, int size)
{
int location = -1;
for (int i = 0; i < size && location == -1; ++i)
{
if (i == arr[i])
{
//When get fixed point
location = i;
}
}
System.out.print("\n Array element : ");
display(arr, size);
if (location == -1)
{
System.out.print(" Fixed point not exists\n");
}
else
{
System.out.print(" Fixed point is " + location + "\n");
}
}
public static void main(String[] args)
{
MyArray obj = new MyArray();
int[] arr1 = {
8 , 3 , 1 , 6 , 4
};
//Get the size of array
int size = arr1.length;
obj.find_fixed_point(arr1, size);
int[] arr2 = {
4 , 2 , 7 , 9 , 2 , 9 , 1
};
//Get the size of array
size = arr2.length;
obj.find_fixed_point(arr2, size);
//When more than 2 fixed point exist
int[] arr3 = {
4 , 1 , 7 , 9 , 2 , 5 , 1
};
//Get the size of array
size = arr3.length;
obj.find_fixed_point(arr3, size);
}
}``````

#### Output

`````` Array element :  8 3 1 6 4
Fixed point is 4

Array element :  4 2 7 9 2 9 1
Fixed point not exists

Array element :  4 1 7 9 2 5 1
Fixed point is 1``````
``````//Include header file
#include <iostream>

using namespace std;
// C++ Program
// Find fixed point in 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 the fixed point in array
void find_fixed_point(int arr[], int size)
{
int location = -1;
for (int i = 0; i < size && location == -1; ++i)
{
if (i == arr[i])
{
//When get fixed point
location = i;
}
}
cout << "\n Array element : ";
this->display(arr, size);
if (location == -1)
{
cout << " Fixed point not exists\n";
}
else
{
cout << " Fixed point is " << location << "\n";
}
}
};
int main()
{
MyArray obj = MyArray();
int arr1[] = {
8 , 3 , 1 , 6 , 4
};
//Get the size of array
int size = sizeof(arr1) / sizeof(arr1[0]);
obj.find_fixed_point(arr1, size);
int arr2[] = {
4 , 2 , 7 , 9 , 2 , 9 , 1
};
//Get the size of array
size = sizeof(arr2) / sizeof(arr2[0]);
obj.find_fixed_point(arr2, size);
int arr3[] = {
4 , 1 , 7 , 9 , 2 , 5 , 1
};
//Get the size of array
size = sizeof(arr3) / sizeof(arr3[0]);
obj.find_fixed_point(arr3, size);
return 0;
}``````

#### Output

`````` Array element :  8 3 1 6 4
Fixed point is 4

Array element :  4 2 7 9 2 9 1
Fixed point not exists

Array element :  4 1 7 9 2 5 1
Fixed point is 1``````
``````//Include namespace system
using System;
// C# Program
// Find fixed point in 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 the fixed point in array
public void find_fixed_point(int[] arr, int size)
{
int location = -1;
for (int i = 0; i < size && location == -1; ++i)
{
if (i == arr[i])
{
//When get fixed point
location = i;
}
}
Console.Write("\n Array element : ");
display(arr, size);
if (location == -1)
{
Console.Write(" Fixed point not exists\n");
}
else
{
Console.Write(" Fixed point is " + location + "\n");
}
}
public static void Main(String[] args)
{
MyArray obj = new MyArray();
int[] arr1 = {
8 , 3 , 1 , 6 , 4
};
//Get the size of array
int size = arr1.Length;
obj.find_fixed_point(arr1, size);
int[] arr2 = {
4 , 2 , 7 , 9 , 2 , 9 , 1
};
//Get the size of array
size = arr2.Length;
obj.find_fixed_point(arr2, size);
int[] arr3 = {
4 , 1 , 7 , 9 , 2 , 5 , 1
};
//Get the size of array
size = arr3.Length;
obj.find_fixed_point(arr3, size);
}
}``````

#### Output

`````` Array element :  8 3 1 6 4
Fixed point is 4

Array element :  4 2 7 9 2 9 1
Fixed point not exists

Array element :  4 1 7 9 2 5 1
Fixed point is 1``````
``````<?php
// Php Program
// Find fixed point in 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 the fixed point in array
public	function find_fixed_point( \$arr, \$size)
{
\$location = -1;
for (\$i = 0; \$i < \$size && \$location == -1; ++\$i)
{
if (\$i == \$arr[\$i])
{
//When get fixed point
\$location = \$i;
}
}
echo "\n Array element : ";
\$this->display(\$arr, \$size);
if (\$location == -1)
{
echo " Fixed point not exists\n";
}
else
{
echo " Fixed point is ". \$location ."\n";
}
}
}

function main()
{
\$obj = new MyArray();
\$arr1 = array(8, 3, 1, 6, 4);
//Get the size of array
\$size = count(\$arr1);
\$obj->find_fixed_point(\$arr1, \$size);
\$arr2 = array(4, 2, 7, 9, 2, 9, 1);
//Get the size of array
\$size = count(\$arr2);
\$obj->find_fixed_point(\$arr2, \$size);
//When more than 2 fixed point exist
\$arr3 = array(4, 1, 7, 9, 2, 5, 1);
//Get the size of array
\$size = count(\$arr3);
\$obj->find_fixed_point(\$arr3, \$size);
}
main();``````

#### Output

`````` Array element :  8 3 1 6 4
Fixed point is 4

Array element :  4 2 7 9 2 9 1
Fixed point not exists

Array element :  4 1 7 9 2 5 1
Fixed point is 1``````
``````// Node Js Program
// Find fixed point in 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 the fixed point in array
find_fixed_point(arr, size)
{
var location = -1;
for (var i = 0; i < size && location == -1; ++i)
{
if (i == arr[i])
{
//When get fixed point
location = i;
}
}
process.stdout.write("\n Array element : ");
this.display(arr, size);
if (location == -1)
{
process.stdout.write(" Fixed point not exists\n");
}
else
{
process.stdout.write(" Fixed point is " + location + "\n");
}
}
}

function main()
{
var obj = new MyArray();
var arr1 = [8, 3, 1, 6, 4];
//Get the size of array
var size = arr1.length;
obj.find_fixed_point(arr1, size);
var arr2 = [4, 2, 7, 9, 2, 9, 1];
//Get the size of array
size = arr2.length;
obj.find_fixed_point(arr2, size);
//When more than 2 fixed point exist
var arr3 = [4, 1, 7, 9, 2, 5, 1];
//Get the size of array
size = arr3.length;
obj.find_fixed_point(arr3, size);
}
main();``````

#### Output

`````` Array element :  8 3 1 6 4
Fixed point is 4

Array element :  4 2 7 9 2 9 1
Fixed point not exists

Array element :  4 1 7 9 2 5 1
Fixed point is 1``````
``````#  Python 3 Program
#  Find fixed point in 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 the fixed point in array
def find_fixed_point(self, arr, size) :
location = -1
i = 0
while (i < size and location == -1) :
if (i == arr[i]) :
# When get fixed point
location = i

i += 1

print("\n Array element : ", end = "")
self.display(arr, size)
if (location == -1) :
print(" Fixed point not exists\n", end = "")
else :
print(" Fixed point is ", location ,"\n", end = "")

def main() :
obj = MyArray()
arr1 = [8, 3, 1, 6, 4]
# Get the size of array
size = len(arr1)
obj.find_fixed_point(arr1, size)
arr2 = [4, 2, 7, 9, 2, 9, 1]
# Get the size of array
size = len(arr2)
obj.find_fixed_point(arr2, size)
# When more than 2 fixed point exist
arr3 = [4, 1, 7, 9, 2, 5, 1]
# Get the size of array
size = len(arr3)
obj.find_fixed_point(arr3, size)

if __name__ == "__main__": main()``````

#### Output

`````` Array element :   8  3  1  6  4
Fixed point is  4

Array element :   4  2  7  9  2  9  1
Fixed point not exists

Array element :   4  1  7  9  2  5  1
Fixed point is  1``````
``````#  Ruby Program
#  Find fixed point in 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 the fixed point in array
def find_fixed_point(arr, size)

location = -1
i = 0
while (i < size && location == -1)

if (i == arr[i])

# When get fixed point
location = i
end
i += 1
end
print("\n Array element : ")
self.display(arr, size)
if (location == -1)

print(" Fixed point not exists\n")
else

print(" Fixed point is ", location ,"\n")
end
end
end
def main()

obj = MyArray.new()
arr1 = [8, 3, 1, 6, 4]
# Get the size of array
size = arr1.length
obj.find_fixed_point(arr1, size)
arr2 = [4, 2, 7, 9, 2, 9, 1]
# Get the size of array
size = arr2.length
obj.find_fixed_point(arr2, size)
# When more than 2 fixed point exist
arr3 = [4, 1, 7, 9, 2, 5, 1]
# Get the size of array
size = arr3.length
obj.find_fixed_point(arr3, size)
end
main()``````

#### Output

`````` Array element :  8 3 1 6 4
Fixed point is 4

Array element :  4 2 7 9 2 9 1
Fixed point not exists

Array element :  4 1 7 9 2 5 1
Fixed point is 1
``````
``````// Scala Program
// Find fixed point in 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 the fixed point in array
def find_fixed_point(arr: Array[Int], size: Int): Unit = {
var location: Int = -1;
var i: Int = 0;
while (i < size && location == -1)
{
if (i == arr(i))
{
//When get fixed point
location = i;
}
i += 1;
}
print("\n Array element : ");
display(arr, size);
if (location == -1)
{
print(" Fixed point not exists\n");
}
else
{
print(" Fixed point is " + location + "\n");
}
}
}
object Main
{
def main(args: Array[String]): Unit = {
var obj: MyArray = new MyArray();
var arr1: Array[Int] = Array(8, 3, 1, 6, 4);
//Get the size of array
var size: Int = arr1.length;
obj.find_fixed_point(arr1, size);
var arr2: Array[Int] = Array(4, 2, 7, 9, 2, 9, 1);
//Get the size of array
size = arr2.length;
obj.find_fixed_point(arr2, size);
//When more than 2 fixed point exist
var arr3: Array[Int] = Array(4, 1, 7, 9, 2, 5, 1);
//Get the size of array
size = arr3.length;
obj.find_fixed_point(arr3, size);
}
}``````

#### Output

`````` Array element :  8 3 1 6 4
Fixed point is 4

Array element :  4 2 7 9 2 9 1
Fixed point not exists

Array element :  4 1 7 9 2 5 1
Fixed point is 1``````
``````// Swift Program
// Find fixed point in 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 the fixed point in array
func find_fixed_point(_ arr: [Int], _ size: Int)
{
var location: Int = -1;
var i: Int = 0;
while (i < size && location == -1)
{
if (i == arr[i])
{
//When get fixed point
location = i;
}
i += 1;
}
print("\n Array element : ", terminator: "");
self.display(arr, size);
if (location == -1)
{
print(" Fixed point not exists\n", terminator: "");
}
else
{
print(" Fixed point is ", location ,"\n", terminator: "");
}
}
}
func main()
{
let obj: MyArray = MyArray();
let arr1: [Int] = [8, 3, 1, 6, 4];
//Get the size of array
var size: Int = arr1.count;
obj.find_fixed_point(arr1, size);
let arr2: [Int] = [4, 2, 7, 9, 2, 9, 1];
//Get the size of array
size = arr2.count;
obj.find_fixed_point(arr2, size);
//When more than 2 fixed point exist
let arr3: [Int] = [4, 1, 7, 9, 2, 5, 1];
//Get the size of array
size = arr3.count;
obj.find_fixed_point(arr3, size);
}
main();``````

#### Output

`````` Array element :   8  3  1  6  4
Fixed point is  4

Array element :   4  2  7  9  2  9  1
Fixed point not exists

Array element :   4  1  7  9  2  5  1
Fixed point is  1``````

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