code: добавление файла построения текстовой версии гистограмы

text.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+#include <vector>
+#include "text.h"
+
+using namespace std;
+
+const size_t SCREEN_WIDTH = 80;
+const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+void
+show_histogram_text(vector<size_t> bins) {
+    size_t bin_max_size = 0;
+    for (auto bin : bins) {
+        if (bin_max_size < bin) {
+            bin_max_size = bin;
+        }
+    }
+    double k = double(MAX_ASTERISK) / bin_max_size;
+    if (k > 1) {
+        k = 1;
+    }
+    for (size_t bin = 0; bin < bins.size(); bin++) {
+        if (bins[bin] < 100) {
+            cout << " ";
+        }
+        if (bins[bin] < 10) {
+            cout << " ";
+        }
+        cout << bins[bin] << "|";
+        for (size_t i = 0; i < bins[bin] * k; i++) {
+            cout << "*";
+        }
+        cout << endl;
+    }
+}