code: исходный код

main.cpp

@@ -0,0 +1,95 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main()
+{
+    size_t number_count;
+    cerr << "Enter number count: ";
+    cin >> number_count;
+
+    vector<double> numbers(number_count);
+    cerr << "Enter numbers: ";
+    for(size_t i = 0; i < number_count; i ++)
+    {
+        cin >> numbers[i];
+    }
+
+    size_t bin_count;
+    cerr << "Enter bin count: ";
+    cin >> bin_count;
+
+    double min = numbers[0];
+    double max = numbers[0];
+    for(double number : numbers)
+    {
+        if(number < min)
+        {
+            min = number;
+        }
+        if(number > max)
+        {
+            max = number;
+        }
+    }
+
+    vector<size_t> bins(bin_count, 0);
+    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]++;
+        }
+    }
+
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+    size_t max_bin = bins[0];
+    for(size_t i = 0; i < bin_count; i++)
+    {
+        if(bins[i] > max_bin)
+        {
+            max_bin = bins[i];
+        }
+    }
+
+    for (size_t bin: bins)
+    {
+        size_t height = bin;
+
+        if (max_bin > MAX_ASTERISK)
+        {
+          height = MAX_ASTERISK * (static_cast<double>(bin) / max_bin);
+        }
+
+        if (bin < 100)
+        {
+            cout << ' ';
+        }
+        if (bin < 10)
+        {
+            cout << ' ';
+        }
+        cout << bin << "|";
+        for(size_t i = 0; i < height; i++)
+        {
+            cout << "*";
+        }
+        cout << endl;
+    }
+
+}