code: функция печати гистограммы

main.cpp

@@ -6,26 +6,33 @@ const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
 
 using namespace std;
 
-int main()
-{
-    size_t number_count, bin_count, max_count;
 
-    cerr << "Enter number count: ";
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+    size_t number_count{};
+};
+
+
+Input
+input_data() {
+    size_t number_count;
     cin >> number_count;
-
+    Input in;
+    in.numbers.resize(number_count);
     vector<double> numbers(number_count);
-
-    cerr << "Enter numbers: ";
     for (size_t i = 0; i < number_count; i++) {
-        cin >> numbers[i];
+        cin >> in.numbers[i];
     }
 
-    cerr << "Enter bin count: ";
-    cin >> bin_count;
-
-    double min = numbers[0];
-    double max = numbers[0];
+size_t bin_count;
+cin >> in.bin_count;
+return in;
+}
 
+void
+find_minmax(const vector<double>& numbers, double& min, double& max) {
+    min = numbers[0];
     for (double x : numbers) {
         if (x < min) {
             min = x;
@@ -34,13 +41,15 @@ int main()
             max = x;
         }
     }
+}
 
+vector<size_t> make_histogram(const vector<double> numbers, size_t bin_count){
     vector<size_t> bins(bin_count);
-    vector<size_t> procent(bin_count);
-
+    double max, min = 0;
+    find_minmax(numbers, min, max);
     double bin_size = (max - min) / bin_count;
 
-    for (size_t i = 0; i < number_count; i++) {
+    for (size_t i = 0; i < numbers.size(); i++) {
         bool found = false;
         for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
             auto lo = min + j * bin_size;
@@ -52,8 +61,14 @@ int main()
         }
         if (!found) {
             bins[bin_count - 1]++;
+
         }
     }
+    return bins;
+}
+
+vector<size_t> make_histogram_proc(const vector<double> numbers, size_t bin_count, vector<size_t> bins){
+    vector<size_t> procent(bin_count);
     double sum = 0;
     for (size_t i = 0; i < bin_count; i++){
         sum = sum + bins[i];
@@ -64,9 +79,12 @@ int main()
         ost = ost - procent[i];
     }
     procent[bin_count-1]=ost;
+    return procent;
+}
 
+void show_histogram_text(vector<size_t> bins, size_t bin_count, vector<size_t> procent){
 
-    max_count = 0;
+    size_t max_count = 0;
     for (size_t x: bins) {
         if (x > max_count) {
                 max_count = x;
@@ -113,5 +131,14 @@ int main()
             }
 
     }
+
+}
+
+int main()
+{
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    auto procent = make_histogram_proc(in.numbers, in.bin_count, bins);
+    show_histogram_text(bins, in.bin_count, procent);
     return 0;
 }