В:18 - текстовый файл дополнен с вариантом

main.cpp

@@ -1,8 +1,13 @@
 #include <iostream>
 #include <vector>
+#include <algorithm>
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
+#include <cctype>
+#include <limits>
+
+
 
 using namespace std;
 struct Input
@@ -39,12 +44,26 @@ int main()
 {
     Input in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-
-
     double min, max;
 
     double bin_size = (max - min) / in.bin_count;
-     show_histogram_text(bins, in.bin_count, bin_size);
-    //show_histogram_svg(bins);
-}
+    string decoration;
+    vector<string> valid_decorations = {"none", "underline", "overline", "line-through"};
+
+    while (true) {
+        cerr << "Enter text decoration (none/underline/overline/line-through): ";
+        cin >> decoration;
+
+        if (find(valid_decorations.begin(), valid_decorations.end(), decoration)
+            != valid_decorations.end()) {
+            break;
+        }
+
+        cerr << "Please choose from: none, underline, overline, line-through" << "\n";
+    }
+
+    show_histogram_svg(bins, decoration);
+
+    // show_histogram_text(bins, in.bin_count, bin_size);
+ }
 

marks.txt

@@ -0,0 +1,3 @@
+10
+3 3 4 4 4 4 4 5 5 5 3
+underline

svg.cpp

@@ -20,10 +20,9 @@ svg_end()
 }
 
 void
-svg_text(double left, double baseline, string text)
+svg_text(double left, double baseline, string text, string decoration = "none")
 {
-    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
-
+    cout << "<text x='" << left << "' y='" << baseline << "' " << "style='text-decoration: " << decoration << "'>" << text << "</text>\n";
 }
 
 void svg_rect(double x, double y, double width, double height,
@@ -33,7 +32,7 @@ void svg_rect(double x, double y, double width, double height,
 }
 
 void
-show_histogram_svg(const vector<size_t>& bins)
+show_histogram_svg(const vector<size_t>& bins, const string& text_decoration)
 {
     const auto IMAGE_WIDTH = 400;
     const auto IMAGE_HEIGHT = 300;
@@ -66,17 +65,14 @@ for (size_t bin : bins)
     double top = 0;
     for (size_t bin : bins)
     { if (bin == max) {
-        const double bin_width = BLOCK_WIDTH * bin;
-        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
-        svg_rect(TEXT_WIDTH, top, MAX_WIDTH, BIN_HEIGHT);
-        top += BIN_HEIGHT;
-    }
-    else{
-        const double bin_width = BLOCK_WIDTH * bin;
-        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
-        top += BIN_HEIGHT;
-    }
+            svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin), text_decoration);
+            svg_rect(TEXT_WIDTH, top, MAX_WIDTH, BIN_HEIGHT);
+            top += BIN_HEIGHT;
+        } else {
+            svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin), text_decoration);
+            svg_rect(TEXT_WIDTH, top, BLOCK_WIDTH, BIN_HEIGHT);
+            top += BIN_HEIGHT;
+        }
     }
     svg_end();
 }

svg.h

@@ -5,7 +5,7 @@
 #include <vector>
 #include <string>
 
-void show_histogram_svg(const std::vector<std::size_t>& bins);
+void show_histogram_svg(const std::vector<std::size_t>& bins, const std::string& text_decoration = "none");
 
 
 #endif // SVG_H_INCLUDED