sourcetext: файл реализации функции вывода гистограммы

text.cpp

@@ -0,0 +1,39 @@
+#include "text.h"
+using namespace std;
+
+void show_histogram_text(vector<size_t>& bins, size_t bin_count)
+{
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    //  Ïîèñê ìàêñèìàëüíîãî êîëè÷åñâà îöåíîê â îäíîì ñòîëáöå.
+
+    size_t max_count = bins[0];
+
+    for (size_t i = 0; i < bin_count; i++)
+        {
+            if (bins[i] > max_count)
+                max_count = bins[i];
+        }
+
+//  Ñîçäàíèå ãèñòîãðàììû ïî îöåíêàì.
+
+    size_t height;
+    size_t buf;
+
+    for (size_t i = 0; i < bin_count; i++)
+        {
+            buf = bins[i];
+            while (buf < max_count) //  Âûðàâíèâàíèå äëÿ ÷èñåë, ìåíüøèõ ÷åì ìàêñèìàëüíîå ÷èñëî.
+                {
+                    cout << " ";
+                    buf *= 10;
+                }
+            cout << bins[i] << "|";
+            height = bins[i];
+            if (max_count > MAX_ASTERISK)
+                height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
+            for (size_t j = 1; j <= height; j++)
+                cout << "*";
+            cout << endl;
+        }
+}