title: Find Whether A Given Number Is A Power Of 4 Or Not 1
signature: bool findWhetherAGivenNumberIsAPowerOf4OrNot1(int n) {
test_code: #include <algorithm>
  #include <assert.h>
  #include <cstdlib>
  #include <iostream>
  #include <map>
  #include <set>
  #include <string>
  #include <tuple> 
  #include <unordered_map>
  #include <vector>
  #include <math.h>
  #include <cmath>
  #include <bits/stdc++.h>
  #include <numeric>
  #include <functional>
  
  using namespace std;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(bool actual, bool expected){
      return actual == expected;
  }
  
  string driver(int n, bool expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(n), expected)){
              return "PASSED";
          }
          return "FAILED";
      }
      catch (const std::overflow_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::runtime_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::exception& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (...)
      {
          return "UNK_ERROR";
      }
  }
  
  int main() {
      string result = "";
  
      result = driver(1, true); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver(4, true); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver(64, true); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver(-64, false); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver(128, false); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver(1024, true); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver(45, false); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver(33, false); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver(66, false); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver(74, false); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def find_whether_a_given_number_is_a_power_of_4_or_not_1(n):
      count = 0
      if (n and (not (n & (n - 1)))):
          while (n > 1):
              n >>= 1
              count += 1
          if ((count % 2) == 0):
              return True
          else:
              return False
source_cpp: bool find_whether_a_given_number_is_a_power_of_4_or_not_1(unsigned int n) {
    int count = 0;
    if ( n && ! ( n & ( n - 1 ) ) ) {
      while ( n > 1 ) {
        n >>= 1;
        count += 1;
      }
      return ( count % 2 == 0 ) ? 1 : 0;
    }
    return 0;
  }