code: Добавлена структура и подпрограммы

mpei.cpp

@@ -5,21 +5,25 @@ using namespace std;
 const size_t SCREEN_WIDTH = 80;
 const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
 
-int main()
-{
+struct Input {
+	vector<double> numbers;
+	size_t bin_count{};
+};
+Input
+input_data() {
 	size_t number_count;
-	cout << "Enter number count: ";
 	cin >> number_count;
-	vector<double> numbers(number_count);
-	for (int i = 0; i < number_count; i++) {
-		cin >> numbers[i];
+	Input in;
+	in.numbers.resize(number_count);
+	for (size_t i = 0; i < number_count; i++) {
+		cin >> in.numbers[i];
 	}
-	size_t bin_count;
-	cout << "Enter bin count: ";
-	cin >> bin_count;
-	vector<size_t> bins(bin_count);
-	double min = numbers[0];
-	double max = numbers[0];
+	cin >> in.bin_count;
+	return in;
+}
+void find_minmax(const vector<double>& numbers, double& min, double& max){
+	min = numbers[0];
+	max = numbers[0];
 	for (double x : numbers) {
 		if (x < min) {
 			min = x;
@@ -28,13 +32,22 @@ int main()
 			max = x;
 		}
 	}
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count)
+{
+	double min, max;
+	find_minmax(numbers, min, max);
+
+	vector<size_t> bins(bin_count);
 	double bin_size = (max - min) / bin_count;
-	for (size_t i = 0; i < number_count; i++) {
+
+	for (double num : numbers) {
 		bool found = false;
-		for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
-			auto lo = min + j * bin_size;
-			auto hi = min + (j + 1) * bin_size;
-			if ((lo <= numbers[i]) && (numbers[i] < hi)) {
+		for (size_t j = 0; j < bin_count - 1 && !found; j++) {
+			double lo = min + j * bin_size;
+			double hi = min + (j + 1) * bin_size;
+			if (lo <= num && num < hi) {
 				bins[j]++;
 				found = true;
 			}
@@ -43,6 +56,11 @@ int main()
 			bins[bin_count - 1]++;
 		}
 	}
+	return bins;
+}
+
+void show_histogram_text(vector<size_t> bins, size_t bin_count)
+{
 	double max_count = bins[0];
 		for (double x : bins) {
 			if (x > max_count) {
@@ -75,5 +93,12 @@ int main()
 			cout << endl;
 			flag = true;
 		}
+}
 
+int main()
+{
+	Input in = input_data();
+	auto bins = make_histogram(in.numbers, in.bin_count);
+	show_histogram_text(bins,in.bin_count);
+	return 0;
 }