code: исходный код

main.cpp

@@ -0,0 +1,110 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main()
+{
+    size_t number_count,bin_count;
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+    cerr << "Enter number count: ";
+    cin >> number_count;
+
+
+
+    vector<double> numbers(number_count);
+    for (int i = 0; i < number_count; i++)
+    {
+        cerr << "Number[" << i << "]=";
+        cin >> numbers[i];
+    }
+    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;
+        }
+        else 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 max_bin_count = bins[0];
+    for(size_t i = 0; i < bin_count; i++)
+    {
+        if(bins[i] > max_bin_count)
+        {
+            max_bin_count = bins[i];
+        }
+    }
+
+    for(size_t i = 0; i < bin_count; i++)
+    {
+        if(bins[i]<10)
+        {
+            cout<< "  " << bins[i] << "|";
+        }
+        else
+        {
+            if(bins[i]<100)
+            {
+                cout<< " " << bins[i] << "|";
+            }
+            else
+            {
+                if(bins[i]<1000)
+                {
+                    cout<< bins[i] << "|";
+                }
+
+            }
+        }
+
+        size_t height;
+        if(max_bin_count <= MAX_ASTERISK)
+        {
+            height = bins[i];
+        }
+        else
+        {
+            height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_bin_count);
+        }
+        for(size_t j = 0; j < height;  j ++)
+        {
+            cout<<"*";
+        }
+        cout<<endl;
+    }
+    return 0;
+}