title: Swap Bits In A Given Number
signature: swapBitsInAGivenNumber(x, p1, p2, n) {
test_code: import 'dart:convert';
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(int actual, int expected){
      return actual.toString() == expected.toString();
  }
  
  String driver(x, p1, p2, n, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(x, p1, p2, n), expected)){
              return "PASSED";
          }
          return "FAILED";
      }catch(exception_object){
          return exception_object.runtimeType.toString();
      }
  }
  
  int main() {
  
      print("TEST-0...${driver(
          95, 88, 97, 92, 
          95)
      }");
  
      print("TEST-1...${driver(
          16, 26, 59, 42, 
          16)
      }");
  
      print("TEST-2...${driver(
          55, 56, 40, 41, 
          55)
      }");
  
      print("TEST-3...${driver(
          75, 35, 79, 30, 
          75)
      }");
  
      print("TEST-4...${driver(
          90, 12, 59, 34, 
          90)
      }");
  
      print("TEST-5...${driver(
          58, 65, 25, 19, 
          58)
      }");
  
      print("TEST-6...${driver(
          69, 64, 17, 94, 
          69)
      }");
  
      print("TEST-7...${driver(
          36, 33, 97, 44, 
          36)
      }");
  
      print("TEST-8...${driver(
          62, 69, 66, 9, 
          62)
      }");
  
      return 0;
  }
source_py: def swap_bits_in_a_given_number(x, p1, p2, n):
      set1 = ((x >> p1) & ((1 << n) - 1))
      set2 = ((x >> p2) & ((1 << n) - 1))
      xor = (set1 ^ set2)
      xor = ((xor << p1) | (xor << p2))
      result = (x ^ xor)
      return result
source_cpp: int swap_bits_in_a_given_number(unsigned int x, unsigned int p1, unsigned int p2, unsigned int n) {
    unsigned int set1 = ( x >> p1 ) & ( ( 1U << n ) - 1 );
    unsigned int set2 = ( x >> p2 ) & ( ( 1U << n ) - 1 );
    unsigned int Xor = ( set1 ^ set2 );
    Xor = ( Xor << p1 ) | ( Xor << p2 );
    unsigned int result = x ^ Xor;
    return result;
  }