برنامه تشخیص عدد توان دو — از صفر تا صد

1// C++ Program to find whether a 
2// no is power of two 
3#include<bits/stdc++.h> 
4using namespace std; 
5  
6// Function to check if x is power of 2 
7bool isPowerOfTwo(int n) 
8{ 
9   if(n==0) 
10   return false; 
11  
12   return (ceil(log2(n)) == floor(log2(n))); 
13} 
14  
15// Driver program 
16int main() 
17{ 
18    isPowerOfTwo(31)? cout<<"Yes"<<endl: cout<<"No"<<endl; 
19    isPowerOfTwo(64)? cout<<"Yes"<<endl: cout<<"No"<<endl; 
20  
21    return 0; 
22} 
23  
24// This code is contributed by Surendra_Gangwar 

1// C Program to find whether a 
2// no is power of two 
3#include<stdio.h> 
4#include<stdbool.h> 
5#include<math.h> 
6  
7/* Function to check if x is power of 2*/
8bool isPowerOfTwo(int n) 
9{ 
10   if(n==0) 
11   return false; 
12  
13   return (ceil(log2(n)) == floor(log2(n))); 
14} 
15  
16// Driver program 
17int main() 
18{ 
19    isPowerOfTwo(31)? printf("Yes\n"): printf("No\n"); 
20    isPowerOfTwo(64)? printf("Yes\n"): printf("No\n"); 
21    return 0; 
22} 
23  
24// This code is contributed by bibhudhendra 

1// Java Program to find whether a 
2// no is power of two 
3class GFG 
4{ 
5/* Function to check if x is power of 2*/
6static boolean isPowerOfTwo(int n) 
7{ 
8    if(n==0) 
9    return false; 
10  
11return (int)(Math.ceil((Math.log(n) / Math.log(2)))) ==  
12       (int)(Math.floor(((Math.log(n) / Math.log(2))))); 
13} 
14  
15// Driver Code 
16public static void main(String[] args) 
17{ 
18    if(isPowerOfTwo(31)) 
19    System.out.println("Yes"); 
20    else
21    System.out.println("No"); 
22      
23    if(isPowerOfTwo(64)) 
24    System.out.println("Yes"); 
25    else
26    System.out.println("No"); 
27} 
28} 
29  
30// This code is contributed by mits 

1# Python3 Program to find  
2# whether a no is  
3# power of two 
4import math 
5  
6# Function to check 
7# Log base 2 
8def Log2(x): 
9    if x == 0: 
10        return false; 
11  
12    return (math.log10(x) / 
13            math.log10(2)); 
14  
15# Function to check 
16# if x is power of 2 
17def isPowerOfTwo(n): 
18    return (math.ceil(Log2(n)) == 
19            math.floor(Log2(n))); 
20  
21# Driver Code 
22if(isPowerOfTwo(31)): 
23    print("Yes"); 
24else: 
25    print("No"); 
26  
27if(isPowerOfTwo(64)): 
28    print("Yes"); 
29else: 
30    print("No"); 
31      
32# This code is contributed  
33# by mits 

1// C# Program to find whether  
2// a no is power of two 
3using System; 
4  
5class GFG 
6{ 
7      
8/* Function to check if  
9   x is power of 2*/
10static bool isPowerOfTwo(int n) 
11{ 
12  
13    if(n==0) 
14     return false; 
15  
16    return (int)(Math.Ceiling((Math.Log(n) /  
17                               Math.Log(2)))) == 
18           (int)(Math.Floor(((Math.Log(n) /  
19                              Math.Log(2))))); 
20} 
21  
22// Driver Code 
23public static void Main() 
24{ 
25    if(isPowerOfTwo(31)) 
26        Console.WriteLine("Yes"); 
27    else
28        Console.WriteLine("No"); 
29      
30    if(isPowerOfTwo(64)) 
31        Console.WriteLine("Yes"); 
32    else
33        Console.WriteLine("No"); 
34} 
35} 
36  
37// This code is contributed  
38// by Akanksha Rai(Abby_akku) 

1<?php 
2// PHP Program to find  
3// whether a no is  
4// power of two 
5  
6// Function to check 
7// Log base 2 
8function Log2($x) 
9{ 
10    return (log10($x) /  
11            log10(2)); 
12} 
13  
14  
15// Function to check 
16// if x is power of 2 
17function isPowerOfTwo($n) 
18{ 
19    return (ceil(Log2($n)) ==  
20            floor(Log2($n))); 
21} 
22  
23// Driver Code 
24if(isPowerOfTwo(31)) 
25echo "Yes\n"; 
26else
27echo "No\n"; 
28  
29if(isPowerOfTwo(64)) 
30echo "Yes\n"; 
31else
32echo "No\n"; 
33      
34// This code is contributed  
35// by Sam007 
36?> 

1#include <bits/stdc++.h> 
2using namespace std; 
3  
4/* Function to check if x is power of 2*/
5bool isPowerOfTwo(int n)  
6{  
7    if (n == 0)  
8        return 0;  
9    while (n != 1)  
10    {  
11        if (n%2 != 0)  
12            return 0;  
13        n = n/2;  
14    }  
15    return 1;  
16}  
17  
18/*Driver code*/
19int main()  
20{  
21    isPowerOfTwo(31)? cout<<"Yes\n": cout<<"No\n";  
22    isPowerOfTwo(64)? cout<<"Yes\n": cout<<"No\n";  
23    return 0;  
24}  
25  
26// This code is contributed by rathbhupendra 

1#include<stdio.h> 
2#include<stdbool.h> 
3  
4/* Function to check if x is power of 2*/
5bool isPowerOfTwo(int n) 
6{ 
7  if (n == 0) 
8    return 0; 
9  while (n != 1) 
10  { 
11      if (n%2 != 0) 
12         return 0; 
13      n = n/2; 
14  } 
15  return 1; 
16} 
17  
18/*Driver program to test above function*/
19int main() 
20{ 
21  isPowerOfTwo(31)? printf("Yes\n"): printf("No\n"); 
22  isPowerOfTwo(64)? printf("Yes\n"): printf("No\n"); 
23  return 0; 
24} 

1// Java program to find whether 
2// a no is power of two 
3import java.io.*; 
4  
5class GFG { 
6  
7    // Function to check if  
8    // x is power of 2 
9    static boolean isPowerOfTwo(int n) 
10    { 
11        if (n == 0) 
12            return false; 
13          
14        while (n != 1) 
15        { 
16            if (n % 2 != 0) 
17                return false; 
18            n = n / 2; 
19        } 
20        return true; 
21    } 
22  
23    // Driver program  
24    public static void main(String args[]) 
25    { 
26        if (isPowerOfTwo(31)) 
27            System.out.println("Yes"); 
28        else
29            System.out.println("No"); 
30  
31        if (isPowerOfTwo(64)) 
32            System.out.println("Yes"); 
33        else
34            System.out.println("No"); 
35    } 
36} 
37  
38// This code is contributed by Nikita tiwari. 

1# Python program to check if given 
2# number is power of 2 or not  
3  
4# Function to check if x is power of 2 
5def isPowerOfTwo(n): 
6    if (n == 0): 
7        return False
8    while (n != 1): 
9            if (n % 2 != 0): 
10                return False
11            n = n // 2
12              
13    return True
14  
15# Driver code 
16if(isPowerOfTwo(31)): 
17    print('Yes') 
18else: 
19    print('No') 
20if(isPowerOfTwo(64)): 
21    print('Yes') 
22else: 
23    print('No') 
24  
25# This code is contributed by Danish Raza 

1// C# program to find whether 
2// a no is power of two 
3using System; 
4  
5class GFG 
6{ 
7      
8    // Function to check if  
9    // x is power of 2 
10    static bool isPowerOfTwo(int n) 
11    { 
12        if (n == 0) 
13            return false; 
14          
15        while (n != 1) { 
16            if (n % 2 != 0) 
17                return false; 
18                  
19            n = n / 2; 
20        } 
21        return true; 
22    } 
23  
24    // Driver program  
25    public static void Main() 
26    { 
27        Console.WriteLine(isPowerOfTwo(31) ? "Yes" : "No"); 
28        Console.WriteLine(isPowerOfTwo(64) ? "Yes" : "No"); 
29  
30    } 
31} 
32  
33// This code is contributed by Sam007 

1<?php 
2  
3// Function to check if 
4// x is power of 2 
5function isPowerOfTwo($n) 
6{ 
7if ($n == 0) 
8    return 0; 
9while ($n != 1) 
10{ 
11    if ($n % 2 != 0) 
12        return 0; 
13    $n = $n / 2; 
14} 
15return 1; 
16} 
17  
18// Driver Code 
19if(isPowerOfTwo(31)) 
20    echo "Yes\n"; 
21else
22    echo "No\n"; 
23  
24if(isPowerOfTwo(64)) 
25    echo "Yes\n"; 
26else
27    echo "No\n"; 
28  
29// This code is contributed  
30// by Sam007 
31?> 

1#include <bits/stdc++.h> 
2using namespace std; 
3#define bool int  
4  
5/* Function to check if x is power of 2*/
6bool isPowerOfTwo (int x)  
7{  
8    /* First x in the below expression is for the case when x is 0 */
9    return x && (!(x&(x-1)));  
10}  
11  
12/*Driver code*/
13int main()  
14{  
15    isPowerOfTwo(31)? cout<<"Yes\n": cout<<"No\n";  
16    isPowerOfTwo(64)? cout<<"Yes\n": cout<<"No\n";  
17    return 0;  
18}  
19  
20// This code is contributed by rathbhupendra 

1#include<stdio.h> 
2#define bool int 
3  
4/* Function to check if x is power of 2*/
5bool isPowerOfTwo (int x) 
6{ 
7  /* First x in the below expression is for the case when x is 0 */
8  return x && (!(x&(x-1))); 
9} 
10  
11/*Driver program to test above function*/
12int main() 
13{ 
14  isPowerOfTwo(31)? printf("Yes\n"): printf("No\n"); 
15  isPowerOfTwo(64)? printf("Yes\n"): printf("No\n"); 
16  return 0; 
17}