title: Change Bits Can Made One Flip
signature: bool changeBitsCanMadeOneFlip(string str) {
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(string str, bool expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(str), 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("00001", true); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver("0000", false); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver("11", false); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver("111110", true); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver("1", true); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver("111010111010", false); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver("hUInqJXNdbfP", false); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver("5191", false); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver("1110101101", false); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver("NupSrU xz", false); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def change_bits_can_made_one_flip(str):
      zeros = 0
      ones = 0
      for i in range(0, len(str)):
          ch = str[i]
          if (ch == '0'):
              zeros = (zeros + 1)
          else:
              ones = (ones + 1)
      return ((zeros == 1) or (ones == 1))
source_cpp: bool change_bits_can_made_one_flip(string str) {
    int zeros = 0, ones = 0;
    for ( char ch : str ) ( ch == '0' ) ? ++ zeros : ++ ones;
    return ( zeros == 1 || ones == 1 );
  }