# Smallest power of 2 greater than or equal to n

Here given code implementation process.

``````// C program for
// Smallest power of 2 greater than or equal to n
#include <stdio.h>

void findPower2(int n)
{
// Start to 1
int x = 1;
while (x < n)
{
// Shift the value of x value by one to left side
x = x << 1;
}
// Display calculated result
printf("\n Given n : %d", n);
printf("\n Result  : %d\n", x);
}
int main()
{
// Test A
int num = 17;
findPower2(num);
// Test B
num = 64;
findPower2(num);
// Test C
num = 15;
findPower2(num);
return 0;
}``````

#### Output

`````` Given n : 17
Result  : 32

Given n : 64
Result  : 64

Given n : 15
Result  : 16``````
``````// Java program for
// Smallest power of 2 greater than or equal to n
public class Power
{
public void findPower2(int n)
{
// Start to 1
int x = 1;
while (x < n)
{
// Shift the value of x value by one to left side
x = x << 1;
}
// Display calculated result
System.out.print("\n Given n : " + n);
System.out.print("\n Result : " + x + "\n");
}
public static void main(String[] args)
{
// Test A
int num = 17;
// Test B
num = 64;
// Test C
num = 15;
}
}``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16``````
``````// Include header file
#include <iostream>
using namespace std;
// C++ program for
// Smallest power of 2 greater than or equal to n
class Power
{
public: void findPower2(int n)
{
// Start to 1
int x = 1;
while (x < n)
{
// Shift the value of x value by one to left side
x = x << 1;
}
// Display calculated result
cout << "\n Given n : " << n;
cout << "\n Result : " << x << "\n";
}
};
int main()
{
// Test A
int num = 17;
// Test B
num = 64;
// Test C
num = 15;
return 0;
}``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16``````
``````// Include namespace system
using System;
// Csharp program for
// Smallest power of 2 greater than or equal to n
public class Power
{
public void findPower2(int n)
{
// Start to 1
int x = 1;
while (x < n)
{
// Shift the value of x value by one to left side
x = x << 1;
}
// Display calculated result
Console.Write("\n Given n : " + n);
Console.Write("\n Result : " + x + "\n");
}
public static void Main(String[] args)
{
// Test A
int num = 17;
// Test B
num = 64;
// Test C
num = 15;
}
}``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16``````
``````package main
import "fmt"
// Go program for
// Smallest power of 2 greater than or equal to n
type Power struct {}
func getPower() * Power {
var me *Power = &Power {}
return me
}
func(this Power) findPower2(n int) {
// Start to 1
var x int = 1
for (x < n) {
// Shift the value of x value by one to left side
x = x << 1
}
// Display calculated result
fmt.Print("\n Given n : ", n)
fmt.Print("\n Result : ", x, "\n")
}
func main() {
var task * Power = getPower()
// Test A
var num int = 17
// Test B
num = 64
// Test C
num = 15
}``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16``````
``````<?php
// Php program for
// Smallest power of 2 greater than or equal to n
class Power
{
public	function findPower2(\$n)
{
// Start to 1
\$x = 1;
while (\$x < \$n)
{
// Shift the value of x value by one to left side
\$x = \$x << 1;
}
// Display calculated result
echo("\n Given n : ".\$n);
echo("\n Result : ".\$x."\n");
}
}

function main()
{
// Test A
\$num = 17;
// Test B
\$num = 64;
// Test C
\$num = 15;
}
main();``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16``````
``````// Node JS program for
// Smallest power of 2 greater than or equal to n
class Power
{
findPower2(n)
{
// Start to 1
var x = 1;
while (x < n)
{
// Shift the value of x value by one to left side
x = x << 1;
}
// Display calculated result
process.stdout.write("\n Given n : " + n);
process.stdout.write("\n Result : " + x + "\n");
}
}

function main()
{
// Test A
var num = 17;
// Test B
num = 64;
// Test C
num = 15;
}
main();``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16``````
``````#  Python 3 program for
#  Smallest power of 2 greater than or equal to n
class Power :
def findPower2(self, n) :
#  Start to 1
x = 1
while (x < n) :
#  Shift the value of x value by one to left side
x = x << 1

#  Display calculated result
print("\n Given n : ", n, end = "")
print("\n Result : ", x )

def main() :
#  Test A
num = 17
#  Test B
num = 64
#  Test C
num = 15

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

#### Output

`````` Given n :  17
Result :  32

Given n :  64
Result :  64

Given n :  15
Result :  16``````
``````#  Ruby program for
#  Smallest power of 2 greater than or equal to n
class Power
def findPower2(n)
#  Start to 1
x = 1
while (x < n)
#  Shift the value of x value by one to left side
x = x << 1
end

#  Display calculated result
print("\n Given n : ", n)
print("\n Result : ", x ,"\n")
end

end

def main()
#  Test A
num = 17
#  Test B
num = 64
#  Test C
num = 15
end

main()``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16
``````
``````// Scala program for
// Smallest power of 2 greater than or equal to n
class Power()
{
def findPower2(n: Int): Unit = {
// Start to 1
var x: Int = 1;
while (x < n)
{
// Shift the value of x value by one to left side
x = x << 1;
}
// Display calculated result
print("\n Given n : " + n);
print("\n Result : " + x + "\n");
}
}
object Main
{
def main(args: Array[String]): Unit = {
var task: Power = new Power();
// Test A
var num: Int = 17;
// Test B
num = 64;
// Test C
num = 15;
}
}``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16``````
``````// Swift 4 program for
// Smallest power of 2 greater than or equal to n
class Power
{
func findPower2(_ n: Int)
{
// Start to 1
var x: Int = 1;
while (x < n)
{
// Shift the value of x value by one to left side
x = x << 1;
}
// Display calculated result
print("\n Given n : ", n, terminator: "");
print("\n Result : ", x );
}
}
func main()
{
// Test A
var num: Int = 17;
// Test B
num = 64;
// Test C
num = 15;
}
main();``````

#### Output

`````` Given n :  17
Result :  32

Given n :  64
Result :  64

Given n :  15
Result :  16``````
``````// Kotlin program for
// Smallest power of 2 greater than or equal to n
class Power
{
fun findPower2(n: Int): Unit
{
// Start to 1
var x: Int = 1;
while (x < n)
{
// Shift the value of x value by one to left side
x = x shl 1;
}
// Display calculated result
print("\n Given n : " + n);
print("\n Result : " + x + "\n");
}
}
fun main(args: Array < String > ): Unit
{
// Test A
var num: Int = 17;
// Test B
num = 64;
// Test C
num = 15;
}``````

#### Output

`````` Given n : 17
Result : 32

Given n : 64
Result : 64

Given n : 15
Result : 16``````

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