title: Find Unit Digit X Raised Power Y
signature: int findUnitDigitXRaisedPowerY(int x, int y) {
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(int actual, int expected){
      return actual == expected;
  }
  
  string driver(int x, int y, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(x, y), 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(33, 55, 7); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver(95, 7, 5); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver(21, 63, 1); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver(3, 62, 9); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver(40, 53, 0); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver(64, 24, 6); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver(17, 23, 3); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver(58, 74, 4); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver(44, 13, 4); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver(27, 54, 9); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def find_unit_digit_x_raised_power_y(x, y):
      res = 1
      for i in range(y):
          res = ((res * x) % 10)
      return res
source_cpp: int find_unit_digit_x_raised_power_y(int x, int y) {
    int res = 1;
    for ( int i = 0;
    i < y;
    i ++ ) res = ( res * x ) % 10;
    return res;
  }