diff --git a/classes/best_path.pkl b/classes/best_path.pkl
index 3bf4127..6585f57 100644
Binary files a/classes/best_path.pkl and b/classes/best_path.pkl differ
diff --git a/classes/genetic.py b/classes/genetic.py
index 4a04d95..9770872 100644
--- a/classes/genetic.py
+++ b/classes/genetic.py
@@ -33,13 +33,24 @@ def mutate(individual):
     individual[idx1], individual[idx2] = individual[idx2], individual[idx1]
 
 
+def roulette_selection(population, fitnesses):
+    total_fitness = sum(fitnesses)
+    selection_point = random.uniform(0, total_fitness)
+    current = 0
+    for individual, fitness in zip(population, fitnesses):
+        current += fitness
+        if current <= selection_point:
+            return individual
+
+
 def genetic_algorithm(points, population_size, generations):
     population = [random.sample(range(len(points)), len(points)) for _ in range(population_size)]
     for _ in range(generations):
-        population.sort(key=lambda individual: calculate_fitness(individual, points), reverse=True)
-        next_generation = population[:population_size // 10]
+        fitnesses = [calculate_fitness(individual, points) for individual in population]
+        next_generation = []
         while len(next_generation) < population_size:
-            parent1, parent2 = random.choices(population[:population_size // 2], k=2)
+            parent1 = roulette_selection(population, fitnesses)
+            parent2 = roulette_selection(population, fitnesses)
             child = crossover(parent1, parent2)
             if random.random() < 0.01:
                 mutate(child)
@@ -64,4 +75,4 @@ for i in range(1, 29):
     if i % 2 == 1 and i % 4 != 1:
         point_list.append((i, 10))
 
-print(genetic_algorithm(point_list, 100, 1000))
+print(genetic_algorithm(point_list, 100, 10000))
diff --git a/main.py b/main.py
index c4b7b9f..61f535d 100644
--- a/main.py
+++ b/main.py
@@ -18,7 +18,7 @@ houses = householdGenerator(MULT)
 garbagetruck = Garbagetruck(MULT).setHouses(houses).setTrashcans(trashcans)
 garbagetruck.setFirstTarget()
 # print("Kolejność danych do drzewa:")
-# print("Pora roku - Pora dnia - Typ śmieci - Zapełnienie kosza - Zapełnienie śmieciarki - Zapłacone - Ostatnio zabrane "
+# print("Pora roku - Pora dnia - Typ śmieci - Zapełnienie kosza - Zapełnienie śmieciarki - Zapłacone - Ostatnio zabrane"
 #       "- Pogoda")
 
 running = True