diff --git a/lab4/src/pipes/important.cpp b/lab4/src/pipes/important.cpp
index 9f72711..12b6e1a 100644
--- a/lab4/src/pipes/important.cpp
+++ b/lab4/src/pipes/important.cpp
@@ -6,103 +6,83 @@
 
 using namespace std;
 
-struct image_t *S1_smoothen(struct image_t *input_image)
+float *S1_smoothen(struct image_t *input_image, float *smooth)
 {
-	// cout << input_image->width << input_image->height << " " <<  input_image->image_pixels << endl;
 	int width = input_image->width;
 	int height = input_image->height;
 
-	// memory allocation
-	struct image_t *smoother = new struct image_t;
-	smoother->height = height;
-	smoother->width = width;
-	smoother->image_pixels = new uint8_t **[height];
+	long ind = 0;
+
 	for (int i = 0; i < height; i++)
 	{
-		smoother->image_pixels[i] = new uint8_t *[width];
 		for (int j = 0; j < width; j++)
-			smoother->image_pixels[i][j] = new uint8_t[3];
-	}
-
-	for (int i = 1; i < height - 1; i++)
-	{
-		for (int j = 1; j < width - 1; j++)
 		{
 			for (int k = 0; k < 3; k++)
 			{
-				// image->image_pixels[i][j][k] = val;
 				//  edge cases
 				if (i == 0 && j == 0)
 				{ // i-1 and j - 1 doesnt exist
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i][j + 1][k] / 4 + input_image->image_pixels[i + 1][j][k] / 4 + input_image->image_pixels[i + 1][j + 1][k] / 4);
+					smooth[ind] = (float)(input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i][j + 1][k] / 4 + input_image->image_pixels[i + 1][j][k] / 4 + input_image->image_pixels[i + 1][j + 1][k] / 4);
 				}
 				else if (i == height - 1 && j == 0)
 				{ // i+1 and j-1 does not exist
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j][k] / 4 + input_image->image_pixels[i - 1][j + 1][k] / 4 + input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i][j + 1][k] / 4);
+					smooth[ind] = (float)(input_image->image_pixels[i - 1][j][k] / 4 + input_image->image_pixels[i - 1][j + 1][k] / 4 + input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i][j + 1][k] / 4);
 				}
 
 				else if (i == 0 && j == width - 1)
 				{ // i-1 and j+1 does not exist
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i][j - 1][k] / 4 + input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i + 1][j - 1][k] / 4 + input_image->image_pixels[i + 1][j][k] / 4);
+					smooth[ind] = (float)(input_image->image_pixels[i][j - 1][k] / 4 + input_image->image_pixels[i][j][k] / 4 + input_image->image_pixels[i + 1][j - 1][k] / 4 + input_image->image_pixels[i + 1][j][k] / 4);
 				}
 				else if (i == height - 1 && j == width - 1)
 				{ // i+1 and j+1 does not exist
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j - 1][k] / 4 + input_image->image_pixels[i - 1][j][k] / 4 + input_image->image_pixels[i][j - 1][k] / 4 + input_image->image_pixels[i][j][k] / 4);
+					smooth[ind] = (float)(input_image->image_pixels[i - 1][j - 1][k] / 4 + input_image->image_pixels[i - 1][j][k] / 4 + input_image->image_pixels[i][j - 1][k] / 4 + input_image->image_pixels[i][j][k] / 4);
 				}
 				else if (i == 0)
 				{ // i - 1 does not exist
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6 + input_image->image_pixels[i + 1][j - 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6 + input_image->image_pixels[i + 1][j + 1][k] / 6);
+					smooth[ind] = (float)(input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6 + input_image->image_pixels[i + 1][j - 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6 + input_image->image_pixels[i + 1][j + 1][k] / 6);
 				}
 
 				else if (j == 0)
 				{ // j -1 does not exist
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i - 1][j + 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6 + input_image->image_pixels[i + 1][j + 1][k] / 6);
+					smooth[ind] = (float)(input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i - 1][j + 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6 + input_image->image_pixels[i + 1][j + 1][k] / 6);
 				}
 
 				else if (i == height - 1)
 				{ // i+1 does not exist
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j - 1][k] / 6 + input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i - 1][j + 1][k] / 6 + input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6);
+					smooth[ind] = (float)(input_image->image_pixels[i - 1][j - 1][k] / 6 + input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i - 1][j + 1][k] / 6 + input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i][j + 1][k] / 6);
 				}
 				else if (j == width - 1)
 				{ // j + 1 does not exist
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j - 1][k] / 6 + input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i + 1][j - 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6);
+					smooth[ind] = (float)(input_image->image_pixels[i - 1][j - 1][k] / 6 + input_image->image_pixels[i - 1][j][k] / 6 + input_image->image_pixels[i][j - 1][k] / 6 + input_image->image_pixels[i][j][k] / 6 + input_image->image_pixels[i + 1][j - 1][k] / 6 + input_image->image_pixels[i + 1][j][k] / 6);
 				}
 				else
 				{
-					smoother->image_pixels[i][j][k] = (input_image->image_pixels[i - 1][j - 1][k] / 9 + input_image->image_pixels[i - 1][j][k] / 9 + input_image->image_pixels[i - 1][j + 1][k] / 9 + input_image->image_pixels[i][j - 1][k] / 9 + input_image->image_pixels[i][j][k] / 9 + input_image->image_pixels[i][j + 1][k] / 9 + input_image->image_pixels[i + 1][j - 1][k] / 9 + input_image->image_pixels[i + 1][j][k] / 9 + input_image->image_pixels[i + 1][j + 1][k] / 9);
+					smooth[ind] = (float)(input_image->image_pixels[i - 1][j - 1][k] / 9 + input_image->image_pixels[i - 1][j][k] / 9 + input_image->image_pixels[i - 1][j + 1][k] / 9 + input_image->image_pixels[i][j - 1][k] / 9 + input_image->image_pixels[i][j][k] / 9 + input_image->image_pixels[i][j + 1][k] / 9 + input_image->image_pixels[i + 1][j - 1][k] / 9 + input_image->image_pixels[i + 1][j][k] / 9 + input_image->image_pixels[i + 1][j + 1][k] / 9);
 				}
+				ind++;
 			}
 		}
 	}
-
-	return smoother;
+	return smooth;
 }
 
-struct image_t *S2_find_details(struct image_t *input_image, struct image_t *smoothened_image)
+float *S2_find_details(struct image_t *input_image, float *smoothened_image)
 {
 	// TODO
 	int width = input_image->width;
 	int height = input_image->height;
 
-	struct image_t *details = new struct image_t;
-	details->height = height;
-	details->width = width;
-	details->image_pixels = new uint8_t **[height];
+	float *details = (float *)malloc(height * width * 3 * sizeof(float));
+	long ind = 0;
 
 	for (int i = 0; i < height; i++)
 	{
-		details->image_pixels[i] = new uint8_t *[width];
 		for (int j = 0; j < width; j++)
-			details->image_pixels[i][j] = new uint8_t[3];
-	}
-
-	for (int i = 1; i < height - 1; i++)
-	{
-		for (int j = 1; j < width - 1; j++)
 		{
 			for (int k = 0; k < 3; k++)
 			{
-				details->image_pixels[i][j][k] = max(0, input_image->image_pixels[i][j][k] - smoothened_image->image_pixels[i][j][k]);
+				details[ind] = max((float)0, (float)input_image->image_pixels[i][j][k] - smoothened_image[ind]);
+				ind++;
 			}
 		}
 	}
@@ -110,33 +90,25 @@ struct image_t *S2_find_details(struct image_t *input_image, struct image_t *smo
 	return details;
 }
 
-struct image_t *S3_sharpen(struct image_t *input_image, struct image_t *details_image)
+float *S3_sharpen(struct image_t *input_image, float *details_image)
 {
 	// TODO
 	int width = input_image->width;
 	int height = input_image->height;
 
-	int a = 1;
+	float a = 1;
 
-	struct image_t *sharp = new struct image_t;
-	sharp->height = height;
-	sharp->width = width;
-	sharp->image_pixels = new uint8_t **[height];
+	float *sharp = (float *)malloc(height * width * 3 * sizeof(float));
 
+	long ind = 0;
 	for (int i = 0; i < height; i++)
 	{
-		sharp->image_pixels[i] = new uint8_t *[width];
 		for (int j = 0; j < width; j++)
-			sharp->image_pixels[i][j] = new uint8_t[3];
-	}
-
-	for (int i = 1; i < height - 1; i++)
-	{
-		for (int j = 1; j < width - 1; j++)
 		{
 			for (int k = 0; k < 3; k++)
 			{
-				sharp->image_pixels[i][j][k] = min(255, input_image->image_pixels[i][j][k] + details_image->image_pixels[i][j][k]) * a;
+				sharp[ind] = min((float)255, (float)input_image->image_pixels[i][j][k] + details_image[ind]);
+				ind++;
 			}
 		}
 	}
@@ -280,4 +252,4 @@ void write_ppm_file(char *path_to_output_file, struct image_t *image)
 		cerr << "failed to open file " << path_to_output_file << "\n\n";
 		exit(1);
 	}
-}
+}
\ No newline at end of file
diff --git a/lab4/src/coms.cpp b/lab4/src/pipes/pipes.cpp
similarity index 100%
rename from lab4/src/coms.cpp
rename to lab4/src/pipes/pipes.cpp