code: пункт 4.3 (объявление show_histogram_text)

text.h

@@ -1,6 +1,9 @@
 #ifndef TEXT_H_INCLUDED
 #define TEXT_H_INCLUDED
 
+#include <vector>
 
+std::vector<size_t>
+show_histogram_text(const std::vector<double>& bins);
 
 #endif // TEXT_H_INCLUDED