code: добавил istream&

main.cpp

@@ -0,0 +1,42 @@
+#include <iostream>
+#include <vector>
+#include <conio.h>
+#include "histogram.h"
+#include "text.h"
+#include "svg.h"
+
+using namespace std;
+
+struct Input
+{
+    vector<double> numbers;
+    size_t bin_count{};
+};
+
+Input
+input_data(istream& in)
+{
+    size_t number_count;
+    cerr<<"Enter number count: ";
+    in >> number_count;
+    cerr << "Enter numbers : " << endl;
+
+    Input ik;
+    ik.numbers.resize(number_count);
+    for (size_t i =0; i < number_count; i++)
+    {
+        cin >> ik.numbers[i];
+    }
+    cerr<< "Enter bin count: ";
+    cin >> ik.bin_count;
+    return ik;
+}
+
+int main()
+{
+    auto in = input_data(cin);
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_svg(bins);
+    getch();
+    return 0;
+}