diff --git a/homework/insensitive-palindrom/CMakeLists.txt b/homework/insensitive-palindrom/CMakeLists.txt
index 9b1a9753b..7adec5989 100644
--- a/homework/insensitive-palindrom/CMakeLists.txt
+++ b/homework/insensitive-palindrom/CMakeLists.txt
@@ -18,10 +18,11 @@ FetchContent_MakeAvailable(googletest)
 project(insensitivePalindrom)
 enable_testing()
 
-add_executable(${PROJECT_NAME}-ut test.cpp) # add your cpp file here after test.cpp
+add_executable(${PROJECT_NAME}-ut test.cpp ispalindrom.cpp) 
+add_executable(${PROJECT_NAME} main.cpp ispalindrom.cpp)# add your cpp file here after test.cpp
 # if this is problematic take a look into CMakeLists.txt files in other exercises
 
-add_compile_options(${PROJECT_NAME}-ut -Wall -Wextra -Wconversion -pedantic -Werror)
+add_compile_options(${PROJECT_NAME} -Wall -Wextra -Wconversion -pedantic -Werror)
 
 target_link_libraries(${PROJECT_NAME}-ut gtest_main)
 
diff --git a/homework/insensitive-palindrom/ispalindrom.cpp b/homework/insensitive-palindrom/ispalindrom.cpp
new file mode 100644
index 000000000..77f77e680
--- /dev/null
+++ b/homework/insensitive-palindrom/ispalindrom.cpp
@@ -0,0 +1,29 @@
+#include "ispalindrom.hpp"
+
+bool is_palindrome(std::string phraseToTest) {
+  /*
+  --->skopjuj znaki do vectora jesli sa z zakresu znakow drukowalnych 32-128
+  --->zamien na malelitery
+  ---?sprawedz czy jest lustrzanym odbiciem
+  */
+
+  std::vector<char> PlaceHolder(
+      std::distance(phraseToTest.begin(), phraseToTest.end()));
+  std::copy_if(phraseToTest.begin(), phraseToTest.end(), PlaceHolder.begin(),
+               [](auto spell) {
+                 return (spell > 47 && spell < 58) |
+                                (spell > 64 && spell < 91) |
+                                (spell > 96 && spell < 123)
+                            ? true
+                            : false;
+               });
+
+  std::transform(PlaceHolder.begin(), PlaceHolder.end(), PlaceHolder.begin(),
+                 [](unsigned char c) { return std::tolower(c); });
+
+  PlaceHolder.resize(distance(PlaceHolder.begin(),
+                              find(PlaceHolder.begin(), PlaceHolder.end(), 0)));
+
+  return std::equal(PlaceHolder.cbegin(), PlaceHolder.cend(),
+                    PlaceHolder.crbegin());
+};
\ No newline at end of file
diff --git a/homework/insensitive-palindrom/ispalindrom.hpp b/homework/insensitive-palindrom/ispalindrom.hpp
new file mode 100644
index 000000000..7d0635aa8
--- /dev/null
+++ b/homework/insensitive-palindrom/ispalindrom.hpp
@@ -0,0 +1,12 @@
+#include <algorithm>
+#include <array>
+#include <forward_list>
+#include <iostream>
+#include <iterator>
+#include <string.h>
+#include <utility>
+#include <vector>
+#include"cctype"
+
+
+bool is_palindrome(std::string phraseToTest);
\ No newline at end of file
diff --git a/homework/insensitive-palindrom/main.cpp b/homework/insensitive-palindrom/main.cpp
new file mode 100644
index 000000000..a60dbbe18
--- /dev/null
+++ b/homework/insensitive-palindrom/main.cpp
@@ -0,0 +1,15 @@
+#include "ispalindrom.hpp"
+#include <algorithm>
+
+#include <iostream>
+#include <iterator>
+#include <string.h>
+#include <utility>
+#include <vector>
+
+int main() {
+  std::string s{"Eva, can I see bees in a cave?"};
+
+  std::cout << std::boolalpha << is_palindrome(s);
+  return 0;
+}
diff --git a/homework/insensitive-palindrom/test.cpp b/homework/insensitive-palindrom/test.cpp
index dc5803917..9b1916b75 100644
--- a/homework/insensitive-palindrom/test.cpp
+++ b/homework/insensitive-palindrom/test.cpp
@@ -1,37 +1,46 @@
+#include "cctype"
+#include "ispalindrom.hpp"
 #include "gtest/gtest.h"
+#include <algorithm>
+#include <iostream>
+#include <iterator>
+#include <string.h>
+#include <utility>
+#include <vector>
 
 // TODO: Includes
 
-class InsensitivePalindromFixture : public ::testing::TestWithParam<std::pair<std::string, bool>> {
-};
+class InsensitivePalindromFixture
+    : public ::testing::TestWithParam<std::pair<std::string, bool>> {};
 
 TEST_P(InsensitivePalindromFixture, CheckPalindrome) {
-    EXPECT_EQ(is_palindrome(GetParam().first), GetParam().second);
+  EXPECT_EQ(is_palindrome(GetParam().first), GetParam().second);
 }
 
 INSTANTIATE_TEST_SUITE_P(
-    InsensitivePalindromTests,
-    InsensitivePalindromFixture,
+    InsensitivePalindromTests, InsensitivePalindromFixture,
     ::testing::Values(
-        std::make_pair("a", true),
-        std::make_pair("aba", true),
+        std::make_pair("a", true), std::make_pair("aba", true),
         std::make_pair("abba", true),
         std::make_pair("Eva, can I see bees in a cave?", true),
         std::make_pair("No lemon, no melon", true),
         std::make_pair("Was it a cat I saw?", true),
         std::make_pair("Red rum, sir, is murder", true),
-        std::make_pair("Are we not pure? “No, sir!” Panama’s moody Noriega brags."
-                       "It is garbage!” Irony dooms a man—a prisoner up to new era.",
-                       true),
-        std::make_pair("Dennis, Nell, Edna, Leon, Nedra, Anita, Rolf, Nora, Alice, Carol,"
-                       "Leo, Jane, Reed, Dena, Dale, Basil, Rae, Penny, Lana, Dave, Denny,"
-                       "Lena, Ida, Bernadette, Ben, Ray, Lila, Nina, Jo, Ira, Mara, Sara, "
-                       "Mario, Jan, Ina, Lily, Arne, Bette, Dan, Reba, Diane, Lynn, Ed, Eva,"
-                       "Dana, Lynne, Pearl, Isabel, Ada, Ned, Dee, Rena, Joel, Lora, Cecil, "
-                       "Aaron, Flora, Tina, Arden, Noel, and Ellen sinned.",
-                       true),
-        std::make_pair("ab", false),
-        std::make_pair("abab", false),
+        std::make_pair(
+            "Are we not pure? “No, sir!” Panama’s moody Noriega brags."
+            "It is garbage!” Irony dooms a man—a prisoner up to new era.",
+            true),
+        std::make_pair(
+            "Dennis, Nell, Edna, Leon, Nedra, Anita, Rolf, Nora, Alice, Carol,"
+            "Leo, Jane, Reed, Dena, Dale, Basil, Rae, Penny, Lana, Dave, Denny,"
+            "Lena, Ida, Bernadette, Ben, Ray, Lila, Nina, Jo, Ira, Mara, Sara, "
+            "Mario, Jan, Ina, Lily, Arne, Bette, Dan, Reba, Diane, Lynn, Ed, "
+            "Eva,"
+            "Dana, Lynne, Pearl, Isabel, Ada, Ned, Dee, Rena, Joel, Lora, "
+            "Cecil, "
+            "Aaron, Flora, Tina, Arden, Noel, and Ellen sinned.",
+            true),
+        std::make_pair("ab", false), std::make_pair("abab", false),
         std::make_pair("abb", false),
         std::make_pair("A nut for a jarr of tuna.", false),
         std::make_pair("All lets Della call Ed “Stella.”", false),