rabotaet kak nado

main.cpp

@@ -7,91 +7,82 @@ using namespace std;
 const size_t SCREEN_WIDTH = 80;
 const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
 
-int main() {
-
+// Ñòðóêòóðà äëÿ âõîäíûõ äàííûõ
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+};
+
+// Ôóíêöèÿ ââîäà äàííûõ
+Input
+input_data() {
+    Input in;
     size_t number_count;
+
     cerr << "Enter number count: ";
     cin >> number_count;
 
-
-    vector<double> numbers(number_count);
+    in.numbers.resize(number_count);
     cerr << "Enter " << number_count << " numbers: ";
     for (size_t i = 0; i < number_count; i++) {
-        cin >> numbers[i];
+        cin >> in.numbers[i];
     }
 
-    size_t bin_count;
     cerr << "Enter bin count: ";
-    cin >> bin_count;
+    cin >> in.bin_count;
 
+    return in;
+}
 
-    double min = numeric_limits<double>::max();
-    double max = numeric_limits<double>::lowest();
+// Ôóíêöèÿ ïîèñêà ìèíèìóìà è ìàêñèìóìà
+void
+find_minmax(const vector<double>& numbers, double& min, double& max) {
+    min = numeric_limits<double>::max();
+    max = numeric_limits<double>::lowest();
 
     for (double x : numbers) {
-        if (x < min) {
-            min = x;
-        }
-        if (x > max) {
-            max = x;
-        }
+        if (x < min) min = x;
+        if (x > max) max = x;
     }
+}
 
+// Ôóíêöèÿ ñîçäàíèÿ ãèñòîãðàììû
+vector<size_t>
+make_histogram(const vector<double>& numbers, size_t bin_count) {
+    double min, max;
+    find_minmax(numbers, min, max);
 
-    double bin_size = (max - min) / bin_count;
-
+    if (max == min) {
+        return vector<size_t>(bin_count, numbers.size());
+    }
 
+    double bin_size = (max - min) / bin_count;
     vector<size_t> bins(bin_count, 0);
 
-
-    for (size_t i = 0; i < numbers.size(); i++) {
-        bool found = false;
-        for (size_t j = 0; (j < bin_count - 1) && !found; j++) {
-            double lo = min + j * bin_size;
-            double hi = min + (j + 1) * bin_size;
-            if ((lo <= numbers[i]) && (numbers[i] < hi)) {
-                bins[j]++;
-                found = true;
-            }
+    for (double x : numbers) {
+        size_t bin_index = static_cast<size_t>((x - min) / bin_size);
+        if (bin_index >= bin_count) bin_index = bin_count - 1;
+        bins[bin_index]++;
     }
 
-        if (!found) {
-            bins[bin_count - 1]++;
-        }
-    }
+    return bins;
+}
 
+// Ôóíêöèÿ âûâîäà ãèñòîãðàììû
+void
+show_histogram_text(const vector<size_t>& bins) {
     size_t max_count = 0;
     for (size_t count : bins) {
-        if (count > max_count) {
-            max_count = count;
+        if (count > max_count) max_count = count;
     }
-    }
-
 
     cerr << "Bin counts:" << endl;
 
+    for (size_t j = 0; j < bins.size(); j++) {
+        size_t height = (max_count > MAX_ASTERISK)
+            ? static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bins[j]) / max_count))
+            : bins[j];
 
-
-
-
-
-
-
-
-
-
-
-
-    size_t height;
-    for (size_t j = 0; j < bin_count; j++) {
-        // Âû÷èñëÿåì âûñîòó ãèñòîãðàììû
-        if(max_count > 76){
-            height = (max_count > 0) ? static_cast<size_t>(76 * (static_cast<double>(bins[j]) / max_count)) : 0;
-        }
-        else{
-            height = bins[j];
-        }
-        // Âûâîäèì êîëè÷åñòâî â áèíå ñ ó÷åòîì ôîðìàòèðîâàíèÿ
         if (bins[j] < 10) {
             cout << "  " << bins[j] << "|";
         } else if (bins[j] < 100) {
@@ -100,14 +91,16 @@ int main() {
             cout << bins[j] << "|";
         }
 
-        // Âûâîäèì ñèìâîëû '*' â ñîîòâåòñòâèè ñ âûñîòîé
-        for (size_t k = 0; k < height; k++) {
-            cout << "*";
-        }
+        for (size_t k = 0; k < height; k++) cout << "*";
         cout << endl;
     }
-
-    return 0;
 }
 
+int
+main() {
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_text(bins);
 
+    return 0;
+}