diff --git a/lists/lists.py b/lists/lists.py
index 04d850f..f12b78f 100644
--- a/lists/lists.py
+++ b/lists/lists.py
@@ -8,7 +8,16 @@ def replace(input_list: list[int]) -> list[int]:
         :param input_list: Исходный список
         :return: Список с замененными элементами
         """
-        pass
+        if not input_list:
+            return input_list
+        max_value = input_list[0]
+        for items in input_list:
+            if items > max_value:
+                max_value = items
+        replaced_list = list(
+            map(lambda replaced: max_value if replaced > 0 else replaced, input_list)
+        )
+        return replaced_list
 
     @staticmethod
     def search(input_list: list[int], query: int) -> int:
@@ -20,4 +29,21 @@ def search(input_list: list[int], query: int) -> int:
         :param query: Искомый элемент
         :return: Номер элемента
         """
-        pass
+        if len(input_list) == 0:
+            return -1
+
+        mid = len(input_list) // 2
+
+        if input_list[mid] == query:
+            return mid
+
+        elif query < input_list[mid]:
+            return ListExercise.search(input_list[:mid], query)
+
+        else:
+            new_mid = mid + 1
+            result = ListExercise.search(input_list[new_mid:], query)
+            if result == -1:
+                return -1
+            else:
+                return mid + 1 + result
diff --git a/maps/maps.py b/maps/maps.py
index dd5d560..c2767c5 100644
--- a/maps/maps.py
+++ b/maps/maps.py
@@ -13,7 +13,16 @@ def rating(list_of_movies: list[dict]) -> float:
         Ключи словаря: name, rating_kinopoisk, rating_imdb, genres, year, access_level, country
         :return: Средний рейтинг фильмов у которых две или больше стран
         """
-        pass
+        more_2_countries_movies = []
+        for movie in list_of_movies:
+            if (
+                movie["rating_kinopoisk"]
+                and float(movie["rating_kinopoisk"]) != 0
+                and movie["country"].count(",") >= 1
+            ):
+                more_2_countries_movies.append(movie)
+        rating = map(lambda movie: float(movie["rating_kinopoisk"]), more_2_countries_movies)
+        return sum(rating) / len(more_2_countries_movies)
 
     @staticmethod
     def chars_count(list_of_movies: list[dict], rating: Union[float, int]) -> int:
@@ -28,4 +37,9 @@ def chars_count(list_of_movies: list[dict], rating: Union[float, int]) -> int:
         :return: Количество букв 'и' в названиях всех фильмов с рейтингом больше
         или равным заданному значению
         """
-        pass
+        rating_movies = []
+        for movie in list_of_movies:
+            if movie["rating_kinopoisk"] and float(movie["rating_kinopoisk"]) >= rating:
+                rating_movies.append(movie)
+        letters = map(lambda movie: movie["name"].count("и"), rating_movies)
+        return sum(letters)