diff --git a/lab01.cpp b/lab01.cpp
index 5095408..6c34053 100644
--- a/lab01.cpp
+++ b/lab01.cpp
@@ -5,28 +5,22 @@
 using namespace std;
 
 
-int main()
-{
-	//ввод данных
-	size_t number_count;
-	cerr << "Enter number count: ";
-	cin >> number_count;
-
-	vector<double> numbers(number_count);
+vector<double>
+input_numbers(size_t count) {
+	vector<double> result(count);
 	cerr << "Enter numbers: ";
-
-	for (size_t i = 0; i < number_count; i++)
-	{
-		cin >> numbers[i];
+	for (size_t i = 0; i < count; i++) {
+		cin >> result[i];
 	}
+	return result;
+}
 
-	size_t bin_count;
-	cerr << "Enter bin count: ";
-	cin >> bin_count;
 
-	//расчет данных
-	double min = numbers[0];
-	double max = numbers[0];
+
+void
+find_minmax(const vector<double>& numbers, double& min, double& max) {
+	min = numbers[0];
+    max = numbers[0];
 	for (double number : numbers)
 	{
 		if (number < min)
@@ -39,29 +33,39 @@ int main()
 			max = number;
 		}
 	}
+	return;
+}
 
-
-	vector<size_t> bins(bin_count, 0);
+vector<size_t> make_histogram(const vector<double>& numbers, const size_t bin_count)
+{
+	double min, max;
+	find_minmax(numbers, min, max);
 	double bin_size = (max - min) / bin_count;
-
-	for (size_t i = 0; i < number_count; i++)
+	vector<size_t> bins(bin_count, 0);
+	for (size_t i = 0; i < numbers.size(); i++)
 	{
 		bool found = false;
-		for (size_t j = 0; j < (bin_count - 1) && !found; j++)
+		for (size_t j = 0; j < bin_count - 1 && !found; j++)
 		{
-			auto low = min + j * bin_size;
-			auto hight = min + (j + 1) * bin_size;
+			auto lo = min + j * bin_size;
+			auto hi = min + (j + 1) * bin_size;
 
-			if ((low <= numbers[i]) && (numbers[i] < hight)) {
+			if (lo <= numbers[i] && numbers[i] < hi)
+			{
 				bins[j]++;
 				found = true;
 			}
 		}
-		if (!found) {
+		if (!found)
+		{
 			bins[bin_count - 1]++;
 		}
 	}
+	return bins;
+}
 
+void show_histogram_text(const vector<size_t>& bins)
+{
 	const size_t SCREEN_WIDTH = 80;
 	const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
 
@@ -103,7 +107,26 @@ int main()
 		cout << endl;
 
 	}
+}
+
+int main()
+{
+
+//ввод данных
+	size_t number_count;
+	cerr << "Enter number count: ";
+	cin >> number_count;
+
+	const auto numbers = input_numbers(number_count);
+
+	size_t bin_count;
+	cerr << "Enter bin count: ";
+	cin >> bin_count;
+	//расчет данных
+
+	const auto bins = make_histogram(numbers, bin_count);
 
+	show_histogram_text(bins);
 
 	return 0;
 }