код разбит на подпрограммы

main.cpp

@@ -1,92 +1,32 @@
+#include "histogram.h"
+#include "text.h"
 #include <iostream>
 #include <vector>
 
 using namespace std;
-int main()
-{
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+};
+Input
+input_data(){
     size_t number_count;
-    cerr <<"enter number count: ";
+    cerr << "Number_count: ";
     cin >> number_count;
-
-    vector<double> numbers(number_count);
-    for( int i=0; i<number_count; i++){
-        cerr<<"enter number "<< i+1<<": ";
-        cin>>numbers[i];
-    }
-    size_t bin_count;
-    cerr <<"enter bin count : ";
-    cin >> bin_count;
-    vector<size_t> bins(bin_count);
-    double min=numbers[0];
-    double max=numbers[0];
-    for(double x : numbers){
-        if(x<min){
-            min=x;
-        }
-        if(x>max){
-            max=x;
-        }
-    }
-    double bin_size=(max-min)/bin_count;
-    for(size_t i=0; i<number_count; i++){
-        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)){
-                bins[j]++;
-                found=true;
-            }
-        }if(!found){
-            bins[bin_count-1]++;
-        }
-    }
-    size_t Maxbins = 0;
-    for (size_t i = 0; i < bin_count; i++)
-    {
-        if (bins[i] > Maxbins)
-        {
-            Maxbins = bins[i];
-        }
-    }
-    const size_t MAX_HEIGHT = 76;
-    if (Maxbins <= MAX_HEIGHT)
-    {
-        for (size_t i = 0; i < bin_count; i++)
-        {
-            if (bins[i] < 10)
-            {
-                cout << " ";
-            }
-            cout << " " << bins[i]<< "|";
-            for (size_t j = 0; j < bins[i]; j++)
-            {
-                cout << "*";
-            }
-            cout << endl;
-        }
-    }
-    else
-    {
-        for (size_t i = 0; i < bin_count; i++)
-        {
-            size_t height = static_cast<size_t>(MAX_HEIGHT * (static_cast<double>(bins[i]) / Maxbins));
-
-            if (bins[i] < 100)
-            {
-                cout << " ";
-            }
-            if (bins[i] < 10)
-            {
-                cout << " ";
-            }
-            cout << bins[i] << "|";
-            for (size_t j = 0; j < height; j++)
-            {
-                cout << "*";
-            }
-            cout << endl;
-        }
+    Input in;
+    in.numbers.resize(number_count);
+    for (size_t i = 0; i < number_count; i++) {
+        cin >> in.numbers[i];
     }
+    cerr << "Enter bin_count: ";
+    cin >> in.bin_count;
+    return in;
+}
+int
+main() {
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram(bins,in.bin_count);
     return 0;
 }
+