изменил ввод

main.cpp

@@ -1,102 +1,42 @@
-#include <iostream>
-#include <vector>
+#include "histogram.h"
+#include "svg.h"
 using namespace std;
 
-int main()
-{
-	size_t numbers, columns, count;
-	float minn, maxx, diff, lo, hi;
-
-	cerr << "Quantity of numbers = "; cin >> numbers;
-	vector<float> xs(numbers);
-	cerr << "Enter your numbers: ";
-
-	for (int i = 0; i < numbers; ++i)
-	{
-		cin >> xs[i];
-	}
-
-	cerr << "Columns = "; cin >> columns;
-	vector<size_t> a(columns);
-
-	maxx = xs[0];
-	minn = xs[0];
-	for (int i = 0; i < numbers; i++)
-	{
-		if (xs[i] > maxx)
-			maxx = xs[i];
-		else
-		{
-			if (xs[i] < minn)
-				minn = xs[i];
-		}
-	}
-
-
-	diff = (maxx - minn) / columns;
-	lo = minn;
+struct Input {
+	vector<double> numbers;
+	size_t bin_count{};
+};
 
-	size_t max_count = 0;
-	for (int i = 0; i < columns; ++i)
-	{
-		count = 0;
-
-		if (i != columns - 1)
-		{
-			hi = lo + diff;
-		}
-		else
-		{
-			hi = maxx;
-		}
-		for (int j = 0; j < numbers; j++)
-		{
-			if (i == 0)
-			{
-				if ((xs[j] >= lo) && (xs[j] <= hi))
-					count++;
-			}
-
-			else
-			{
-				if ((xs[j] > lo) && (xs[j] <= hi))
-					count++;
-			}
-		}
-		a[i] = count;
-		lo = hi;
-
-		if (max_count < a[i])
-			max_count = a[i];
+Input
+input_data(istream& inn, bool prompt)
+{
+	size_t number_count;
+	if (prompt == true)
+        cerr << "number_count = ";
+	inn >> number_count;
+
+	Input in;
+	in.numbers.resize(number_count);
+
+	if (prompt == true)
+        cerr << "numbers:";
+	for (size_t i = 0; i < number_count; i++) {
+        inn >> in.numbers[i];
 	}
 
-	const size_t SCREEN_WIDTH = 80;
-	const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
-	size_t height;
-	for (int i = 0; i < columns; i++)
-	{
-
-		if (a[i] == 0)
-			continue;
+    cerr << "columns = ";
+	cin >> in.bin_count;
+	return in;
+}
 
-		if (a[i] < 10)
-			cout << "  ";
-		else
-			if (a[i] < 100)
-				cout << " ";
+int
+main()
+{
 
-		cout << a[i] << "|";
+	auto in = input_data(cin, true);
 
-		if (max_count > MAX_ASTERISK)
-			height = MAX_ASTERISK * (static_cast<double>(a[i]) / max_count);
-		else
-			height = a[i];
+	auto bins = make_histogram(in.numbers, in.bin_count);
 
-		for (int j = 0; j < height; j++)
-		{
-			cout << "*";
-		}
-		cout << endl;
-	}
+	show_histogram_svg(bins);
 
 }