code: программа разбита на файлы

histogram.cpp

@@ -0,0 +1,51 @@
+#include "histogram.h"
+
+vector <size_t>
+make_histogram(const vector<double>& numbers, size_t & bin_count, size_t & number_count, size_t & max_count) {
+    double min, max;
+    find_minmax(numbers, min, max);
+    double bin_size = (max - min) / bin_count;
+    vector<size_t> bins(bin_count);
+    max_count = bins[0];
+    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 (bins[j] > max_count){
+                max_count = bins[j];
+            }
+        }
+        if (!found){
+            bins[bin_count - 1]++;
+        }
+        if (bins[bin_count - 1] > max_count){
+            max_count = bins[bin_count - 1];
+        }
+    }
+    return bins;
+}
+
+void
+find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (!numbers.empty()) {
+        min = numbers[0];
+        max = numbers[0];
+    } else {
+        min = 0;
+        max = 0;
+    }
+    for (double x : numbers)
+    {
+        if (x < min){
+            min = x;
+        }
+        else if (x > max){
+            max = x;
+        }
+    }
+}

histogram.h

@@ -0,0 +1,14 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+
+using namespace std;
+
+vector<size_t>
+make_histogram(const vector<double>& numbers, size_t & bin_count, size_t & number_count, size_t & max_count);
+
+void
+find_minmax(const vector<double>& numbers, double& min, double& max);
+
+#endif // HISTOGRAM_H_INCLUDED

text.cpp

@@ -0,0 +1,35 @@
+#include "text.h"
+#include <cstdio>
+#include <iostream>
+using namespace std;
+void
+show_histogram_text(vector<size_t>& bins, size_t & max_count,size_t & bin_count) {
+const size_t SCREEN_WIDTH = 80;
+const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+if (max_count > MAX_ASTERISK){
+        vector<size_t> hights(bin_count);
+        for (size_t i = 0; i < bin_count; i++){
+            size_t height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
+            hights[i] = height;
+        }
+
+        for (size_t i = 0; i < bin_count; i++){
+            printf("%3d|", bins[i]);
+            for (size_t j = 0; j < hights[i]; j++){
+                cout<<"*";
+            }
+            cout << endl;
+        }
+    }
+    else{
+        for (size_t i = 0; i < bin_count; i++)
+        {
+            printf("%3d|", bins[i]);
+            for (size_t j = 0; j < bins[i]; j++){
+                cout<<"*";
+            }
+            cout << endl;
+        }
+    }
+
+}

text.h

@@ -0,0 +1,11 @@
+#ifndef SHOW-SVG_H_INCLUDED
+#define SHOW-SVG_H_INCLUDED
+
+#include <vector>
+
+using namespace std;
+
+void
+show_histogram_text(vector<size_t>& bins, size_t & max_count,size_t & bin_count);
+
+#endif // SHOW-SVG_H_INCLUDED