защита

histogram.cpp

@@ -1,30 +1,28 @@
 #include "histogram.h"
 
 bool find_minmax(vector<double> vec, double& min, double& max) {
-
+    if (vec.size() == 0) {
-    if (vec.size()== 0){
+        cerr << "Empty vec";
-        cerr<<"Empty vec";
         return false;
     }
-
     min = vec[0];
     max = vec[0];
-
     for (double x : vec) {
-        if (x < min) min = x;
+        if (x < min) {
-        if (x > max) max = x;
+            min = x;
+        }
+        else if (x > max)
+        {
+            max = x;
+        }
     }
     return true;
 }
-
 vector<size_t> make_histogram(size_t number, vector<double> vec) {
     vector<size_t> bins(number);
-    if (vec.empty()) return bins;
-
     double mn, mx;
     find_minmax(vec, mn, mx);
     float bin_size = (mx - mn) / number;
-
     for (size_t i = 0; i < vec.size(); i++) {
         bool fl = false;
         for (size_t j = 0; (j < number - 1) && !fl; j++) {
@@ -37,7 +35,9 @@ vector<size_t> make_histogram(size_t number, vector<double> vec) {
         }
         if (!fl) {
             bins[number - 1]++;
+
         }
     }
     return bins;
 }
+

histogram.h

@@ -1,10 +1,5 @@
-#ifndef HISTOGRAM_H_INCLUDED
-#define HISTOGRAM_H_INCLUDED
-
 #include <vector>
 #include <iostream>
 
 using namespace std;
 vector<size_t> make_histogram(size_t number, vector<double> vec);
-
-#endif // HISTOGRAM_H_INCLUDED

svg.cpp

@@ -20,58 +20,61 @@ svg_end()
 }
 
 void
-svg_text(double left, double baseline, string text)
+svg_text(double left, double baseline, const string& text, const string& text_decoration)
 {
-    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
+    cout << "<text x='" << left << "' y='" << baseline << "' text-decoration='" << text_decoration << "'>" << text << "</text>";
 }
 
 void
 svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black")
 {
     cout << "<rect x='"<<x<<"' y='"<<y<<"' width='"<<width<<"' height='"<<height<<"' stroke='"<<stroke<<"' fill='"<<fill<<"' />";
-
 }
 
 
-
+void
-void show_histogram_svg(const vector<size_t>& bins) {
+show_histogram_svg(const vector<size_t>& bins)
-    const double IMAGE_WIDTH    = 400.0;
+{
-    const double IMAGE_HEIGHT   = 300.0;
+    string decoration;
-    const double LEFT_MARGIN    = 50.0;
+    cerr<<"Enter text decoration (none, underline, overline, line-through): ";
-    const double LABEL_MARGIN   = 30.0;
+    cin>>decoration;
-    const double BIN_HEIGHT     = 30.0;
+    while(!(decoration=="none"||decoration=="underline"||decoration=="overline"||decoration=="line-through"))
-    const double LABEL_OFFSET   = 5.0;
+    {
-
+        cerr<<"Invalid value. Please enter one of: none, underline, overline, line-through: ";
-    const double axis      = IMAGE_WIDTH - LABEL_MARGIN;
+        cin>>decoration;
-    const double MAX_WIDTH = axis - LEFT_MARGIN;
-
-    double mx = 0.0;
-    for (size_t v : bins) {
-        if (static_cast<double>(v) > mx) {
-            mx = static_cast<double>(v);
-        }
     }
 
-    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+    const auto IMAGE_WIDTH = 400;
-
+    const auto IMAGE_HEIGHT = 300;
-    double top = 0.0;
+    const auto TEXT_LEFT = 20;
-    for (size_t v : bins) {
+    const auto TEXT_BASELINE = 20;
-        double bar_w;
+    const auto TEXT_WIDTH = 50;
-        if (mx > 0) {
+    const auto BIN_HEIGHT = 30;
-            bar_w = MAX_WIDTH * static_cast<double>(v) / mx;
+    const auto BLACK = "black";
-        } else {
+    const auto RED = "red";
-            bar_w = 0.0;
+    const auto MAX_WIDTH = IMAGE_WIDTH-TEXT_WIDTH;
+
+
+    svg_begin(IMAGE_WIDTH,IMAGE_HEIGHT);
+
+    double top = 0;
+    double max_count = bins[0];
+    for (size_t i = 0; i < bins.size(); i++)
+    {
+        if (max_count<bins[i])
+        {
+            max_count=bins[i];
         }
+    }
 
-        double x0 = axis - bar_w;
+    for (size_t bin : bins)
-        svg_rect(x0, top, bar_w, BIN_HEIGHT, "green", "yellow");
+    {
-
+        double bin_width = (MAX_WIDTH)*(bin/max_count);
-        double label_x = x0 + bar_w + LABEL_OFFSET;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin), decoration);
-        double label_y = top + BIN_HEIGHT / 2 + 5;
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, BLACK, RED);
-        svg_text(label_x, label_y, to_string(v));
-
         top += BIN_HEIGHT;
     }
 
     svg_end();
 }
+

text.cpp

@@ -1,46 +1,82 @@
 #include "text.h"
-#include <iostream>
 
 void show_histogram(std::vector<size_t> bins) {
+    bool gigant = false;
+    auto spaces = 0;
     size_t mx_count = 0;
-    bool need_scale = false;
+    for (auto x : bins) {
-    for (size_t x : bins) {
+        if (x > 76) {
+            gigant = true;
+        }
         if (x > mx_count) {
             mx_count = x;
         }
-        if (x > 76) {
+        auto len = 0;
-            need_scale = true;
+        while (x > 0) {
+            x /= 10;
+            len++;
+        }
+        if (len > spaces) {
+            spaces = len;
         }
     }
-    size_t max_bar = need_scale ? 76 : mx_count;
+    if (spaces == 1) {
-    size_t digits = 1;
+        for (size_t i = 0; i < bins.size(); i++) {
-    for (size_t t = mx_count; t >= 10; t /= 10) {
+            std::cout << "  " << bins[i] << "|";
-        ++digits;
+            if (gigant) {
-    }
+                if (bins[i] == mx_count) {
-
+                    for (size_t j = 0; j < 76; j++) {
-    for (size_t count : bins) {
+                        std::cout << "*";
-        size_t bar_len = 0;
+                    }
-        if (need_scale) {
+                }
-            if (count == mx_count) {
+                else
-                bar_len = max_bar;
+                {
-            } else {
+                    for (size_t j = 0; j < 76 * static_cast<double>(bins[i]) / mx_count; j++) {
-                bar_len = static_cast<size_t>(max_bar * static_cast<double>(count) / mx_count);
+                        std::cout << "*";
+                    }
+                }
+            }
+            else
+            {
+                for (size_t j = 0; j < bins[i]; j++) {
+                    std::cout << "*";
+                }
+                std::cout << std::endl;
             }
-        } else {
-            bar_len = count;
-        }
-        size_t spaces = max_bar - bar_len;
-        for (size_t i = 0; i < spaces; ++i) {
-            std::cout << ' ';
-        }
-        for (size_t i = 0; i < bar_len; ++i) {
-            std::cout << '*';
         }
-        std::cout << "| ";
+    }
-        std::string s = std::to_string(count);
+    else
-        for (size_t i = s.size(); i < digits; ++i) {
+    {
-            std::cout << ' ';
+        for (size_t i = 0; i < bins.size(); i++) {
+            int len = 1;
+            int k = bins[i];
+            for (; k /= 10; ++len);
+            while (len < spaces) {
+                std::cout << " ";
+                len++;
+            }
+            std::cout << bins[i];
+            std::cout << "|";
+            if (gigant) {
+                if (bins[i] == mx_count) {
+                    for (size_t j = 0; j < 76; j++) {
+                        std::cout << "*";
+                    }
+                }
+                else
+                {
+                    for (size_t j = 0; j < (76 * static_cast<double>(bins[i]) / mx_count - 1); j++) {
+                        std::cout << "*";
+                    }
+                }
+            }
+            else
+            {
+                for (size_t j = 0; j < bins[i]; j++) {
+                    std::cout << "*";
+                }
+            }
+            std::cout << std::endl;
         }
-        std::cout << s << "\n";
     }
 }

text.h

@@ -1,8 +1,4 @@
-#ifndef TEXT_H_INCLUDED
+#include <iostream>
-#define TEXT_H_INCLUDED
-
 #include <vector>
-using namespace std;
-void show_histogram(const std::vector<size_t>& bins);
 
-#endif // TEXT_H_INCLUDED
+void show_histogram(std::vector<size_t> bins);