code:текст

histogram.cpp

@@ -0,0 +1,37 @@
+#include "histogram.h"
+#include <vector>
+
+void find_minmax(const std::vector <double> &numbers, double &min, double &max){
+    min = numbers[0];
+    max = numbers[0];
+    for ( double x : numbers ){
+        if ( x < min ){
+            min = x;
+        } else if ( x > max ){
+            max = x;
+        }
+    }
+}
+
+std::vector<std::size_t> make_histogram(const std::vector<double> &numbers, std::size_t bin_count) {
+    double min = numbers[0];
+    double max = numbers[0];
+    find_minmax(numbers, min, max);
+    double bin_size = ( max - min ) / bin_count;
+    std::vector<std::size_t> bins ( bin_count );
+    for (std::size_t i=0; i <  numbers.size(); i++ ){
+        bool found = false;
+        for (std::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]++;
+        }
+    }
+    return bins;
+}

histogram.h

@@ -0,0 +1,9 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t bin_count);
+
+
+#endif // HISTOGRAM_H_INCLUDED

main.cpp

@@ -1,109 +1,48 @@
 #include <iostream>
 #include <vector>
-
+#include "histogram.h"
+#include "text.h"
 using namespace std;
 
-int main(){
+
-    size_t bin_count, numbers_count;
+struct Input {
-    const size_t SCREEN_WIDTH = 80;
+    vector<double> numbers;
-    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    size_t bin_count{};
-    cerr << "Enter number count and bin count:";
+};
-    cin >> numbers_count >> bin_count;
+
-    vector<double> numbers ( numbers_count );
+Input input_data() {
-    for (size_t i=0; i < numbers_count; i++){
+
-        cin >> numbers[i];
+    size_t number_count;
-    }
+
-    vector<size_t> bins ( bin_count );
+    cerr << "Enter number count: ";
-    double minx = numbers[0];
+    cin >> number_count;
-    double maxx = numbers[0];
+
-    for ( double x : numbers ){
+    Input in;
-        if ( x < minx ){
+
-            minx = x;
+    cerr << "Enter number of bins: ";
-        } else if ( x > maxx ){
+    cin >> in.bin_count;
-            maxx = x;
+
-        }
+    in.numbers.resize(number_count);
-    }
+
-    double bin_size = ( maxx - minx ) / bin_count;
+    cerr << "Enter numbers: ";
-    for (size_t i=0; i < numbers_count; i++ ){
+    for (size_t i = 0; i < number_count; i++)
-        bool found = false;
+    {
-        for (size_t j = 0; ( j < bin_count - 1 ) && !found; j++ ){
+        cin >> in.numbers[i];
-            auto lo = minx + j * bin_size;
-            auto hi = minx + ( j + 1 ) * bin_size;
-            if (lo <= numbers[i] && ( numbers[i] < hi )){
-                bins[j]++;
-                found = true;
-            }
-        }
-        if ( !found ){
-            bins[bin_count-1]++;
-        }
-    }
-    size_t maxbin = bins[0];
-    for (size_t i=1; i < bin_count; i++){
-        if (maxbin < bins[i]){
-            maxbin = bins[i];
-        }
-    }
-    if (maxbin <=MAX_ASTERISK){
-        for ( size_t i=0; i < bin_count; i++ ){
-            if ((bins[i] < 1000)&&(bins[i] > 99)){
-                cout << bins[i] << "|";
-                for ( size_t j=0; j < bins[i]; j++ ){
-                    cout << "*";
-                }
-            cout << endl;
-            } else if ((bins[i] < 100)&&(bins[i]>9)) {
-                cout << " " << bins[i] << "|";
-                for ( size_t j=0; j < bins[i]; j++ ){
-                    cout << "*";
-                }
-            cout << endl;
-            } else if ( bins[i] < 10 ){
-                cout << "  " << bins[i]<< "|";
-                for ( size_t j=0; j < bins[i]; j++ ){
-                    cout << "*";
-                }
-                cout << endl;
-            }
-        }
-    } else {
-        for (size_t i=0; i < bin_count; i++){
-            if (bins[i] == maxbin){
-                if ((bins[i] < 1000)&&(bins[i] > 99)){
-                    cout << bins[i] << "|";
-                    for ( size_t j=0; j < MAX_ASTERISK; j++ ){
-                        cout << "*";
-                    }
-                    cout << endl;
-                } else if ((bins[i] < 100)&&(bins[i]>=MAX_ASTERISK)) {
-                    cout << " " << bins[i] << "|";
-                    for ( size_t j=0; j < bins[i]; j++ ){
-                        cout << "*";
-                    }
-                    cout << endl;
-                }
-            } else {
-                size_t heightG= MAX_ASTERISK * (static_cast<double>(bins[i]) / maxbin);
-                if ((bins[i] < 1000)&&(bins[i] > 99)){
-                    cout << bins[i] << "|";
-                    for ( size_t j=0; j < heightG; j++ ){
-                        cout << "*";
-                    }
-                    cout << endl;
-            } else if ((bins[i] < 100)&&(bins[i]>9)) {
-                cout << " " << bins[i] << "|";
-                for ( size_t j=0; j < heightG; j++ ){
-                    cout << "*";
-                }
-                cout << endl;
-            } else if ( bins[i] < 10 ){
-                cout << "  " << bins[i]<< "|";
-                for ( size_t j=0; j < heightG; j++ ){
-                    cout << "*";
-                }
-                cout << endl;
-                }
-            }
-        }
     }
+
+    return in;
 }
+
+
+
+
+int main(){
+
+    Input in = input_data();
+
+    auto bins = make_histogram(in.numbers, in.bin_count);
+
+    show_histogram_text(bins);
+
+
+    }

text.cpp

@@ -0,0 +1,45 @@
+#include <iostream>
+#include <vector>
+#include "text.h"
+
+const std::size_t SCREEN_WIDTH = 80;
+const std::size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+void show_histogram_text(const std::vector<std::size_t> &bins){
+    std::size_t maxbin = bins[0];
+    for (std::size_t i=1; i < bins.size(); i++){
+        if (maxbin < bins[i]){
+            maxbin = bins[i];
+        }
+    }
+    if (maxbin <= MAX_ASTERISK){
+        for (size_t i=0; i < bins.size(); i++ ){
+            if (bins[i] < 10 ){
+                std::cout << "  " << bins[i] << "|";
+            } else if (bins[i] < 100) {
+                std::cout << " " << bins[i] << "|";
+            } else if (bins[i] < 1000) {
+                std::cout << bins[i] << "|";
+            }
+            for (size_t j=0; j < bins[i]; j++ ){
+                std::cout << "*";
+            }
+            std::cout << std::endl;
+        }
+    } else {
+        for (std::size_t i=0; i < bins.size(); i++){
+            std::size_t heightG= MAX_ASTERISK * (static_cast<double>(bins[i]) / maxbin);
+            if (bins[i] < 10 ){
+                std::cout << "  " << bins[i] << "|";
+            } else if (bins[i] < 100) {
+                std::cout << " " << bins[i] << "|";
+            } else if (bins[i] < 1000) {
+                std::cout << bins[i] << "|";
+            }
+            for (std::size_t j=0; j < heightG; j++ ){
+                std::cout << "*";
+            }
+            std::cout << std::endl;
+        }
+    }
+}

text.h

@@ -0,0 +1,8 @@
+#ifndef TEXT_H_INCLUDED
+#define TEXT_H_INCLUDED
+#include <vector>
+
+void show_histogram_text(const std::vector <std::size_t> &bins);
+
+
+#endif // TEXT_H_INCLUDED