add cpp files

personal/lab1.cpp

@@ -0,0 +1,120 @@
+#include <iostream>
+#include <vector>
+#include <iomanip>
+#include <string>
+#include <sstream>
+using namespace std;
+
+const size_t screen_width = 80;
+const size_t max_asterix = screen_width - 3 - 1;
+
+int main()
+{
+    // ============================ INPUT ============================
+    size_t num_count=0;
+    cerr << "Enter number count: ";
+    cin >> num_count;
+    vector<double> numbers(num_count);
+    cerr << "Enter " << num_count << " numbers\n";
+
+    for (int i = 0; i < num_count; ++i)
+        cin >> numbers[i];
+
+    cerr << "Enter bins count:";
+    size_t bin_count = 0;
+    cin >> bin_count;
+
+    // ============================ LOGIC ============================
+
+    double min = numbers[0];
+    double max = numbers[0];
+
+    for (double x : numbers)
+    {
+        if (x < min)
+        {
+            min = x;
+        }
+        else if (x > max)
+        {
+            max = x;
+        }
+    }
+
+    vector<size_t> bins(bin_count);
+    double bins_size = (max - min) / bin_count;
+
+    for (size_t i = 0; i < num_count; i++)
+    {
+        bool found = false;
+            for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+            {
+                auto lo = min + j * bins_size;
+                auto hi = min + (j + 1) * bins_size;
+                if ((lo <= numbers[i]) && (numbers[i] < hi))
+                {
+                    bins[j]++;
+                    found = true;
+                }
+            }
+        if (!found) 
+        {
+            bins[bin_count - 1]++;
+        }
+    }
+
+    size_t max_bin = bins[0];
+
+    for (size_t i=0; i < bin_count; i++)
+    {
+        if (max_bin < bins[i])
+        {
+            max_bin = bins[i];
+        }
+    }
+    //Округление и подсчет символьной длины размера корзины для выравнивания по крайнему символу границы корзины
+    stringstream bins_size_round;
+    bins_size_round << setiosflags(ios::fixed) << setprecision(2) << bins_size;
+    bins_size_round >> bins_size;
+    ostringstream bin_step;
+    bin_step << (max + bins_size);
+    string bin_step_string = bin_step.str();
+    size_t line_size = bin_step_string.length();
+    string line(line_size, ' ');
+
+    // ============================ OUTPUT ============================
+
+    for (size_t i = 0; i < bin_count; i++) 
+    {
+        cout << line;
+        if ((bins[i] < 100) && (max_bin >= 100))
+        {
+            cout << " ";
+        }
+        if ((bins[i] < 10) && (max_bin >= 10))
+        {
+            cout << " ";
+        }
+        cout << bins[i] << "|";
+        size_t height = 0;
+
+        if (max_bin > 76)
+        {
+            height = max_asterix * (static_cast<double>(bins[i]) / max_bin);
+        }
+        else
+        {
+            height = bins[i];
+        }
+        for(size_t j=0; j<height;j++)
+        {
+            cout << "*";
+        }
+        if (i != bin_count-1)
+        {
+            cout << "\n" << (min + bins_size * (i + 1));
+        }
+        cout << "\n";
+    }
+
+}

public/lab1.cpp

@@ -0,0 +1,103 @@
+#include <iostream>
+#include <vector>
+#include <iomanip>
+using namespace std;
+
+const size_t screen_width = 80;
+const size_t max_asterix = screen_width - 3 - 1;
+
+int main()
+{
+    // ============================ INPUT ============================
+    size_t num_count=0;
+    cerr << "Enter number count: ";
+    cin >> num_count;
+    vector<double> numbers(num_count);
+    cerr << "Enter " << num_count << " numbers\n";
+
+    for (int i = 0; i < num_count; ++i)
+        cin >> numbers[i];
+
+    cerr << "Enter bins count:";
+    size_t bin_count = 0;
+    cin >> bin_count;
+
+    // ============================ LOGIC ============================
+
+    double min = numbers[0];
+    double max = numbers[0];
+
+    for (double x : numbers)
+    {
+        if (x < min)
+        {
+            min = x;
+        }
+        else if (x > max)
+        {
+            max = x;
+        }
+    }
+
+    vector<size_t> bins(bin_count);
+    double bins_size = (max - min) / bin_count;
+
+    for (size_t i = 0; i < num_count; i++)
+    {
+        bool found = false;
+            for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+            {
+                auto lo = min + j * bins_size;
+                auto hi = min + (j + 1) * bins_size;
+                if ((lo <= numbers[i]) && (numbers[i] < hi))
+                {
+                    bins[j]++;
+                    found = true;
+                }
+            }
+        if (!found) 
+        {
+            bins[bin_count - 1]++;
+        }
+    }
+
+    size_t max_bin = bins[0];
+
+    for (size_t i=0; i < bin_count; i++)
+    {
+        if (max_bin < bins[i])
+        {
+            max_bin = bins[i];
+        }
+    }
+    // ============================ OUTPUT ============================
+
+    for (size_t i = 0; i < bin_count; i++) 
+    {
+        if ((bins[i] < 100) && (max_bin >= 100))
+        {
+            cout << " ";
+        }
+        if ((bins[i] < 10) && (max_bin >= 10))
+        {
+            cout << " ";
+        }
+        cout << bins[i] << "|";
+        size_t height = 0;
+
+        if (max_bin > 76)
+        {
+            height = max_asterix * (static_cast<double>(bins[i]) / max_bin);
+        }
+        else
+        {
+            height = bins[i];
+        }
+        for(size_t j=0; j<height;j++)
+        {
+            cout << "*";
+        }
+        cout << "\n";
+    }
+
+}